Beehive International B 150 Series User manual

Brand
Beehive International
Model
B 150 Series
Type
User manual

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SERIES
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TERMINAL
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IVIanual
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1978
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15aB^
TABLE
OF
CONTENTS
SECTION
TITLE
PAGE
SECTION
I -
INTRODUCTION
SECTION
II -
INSTALLATION
2.1 INTRODUCTION 2-1
2.2 UNPACKING
2-1
2.3 INSPECTION FOR IN-SHIPMENT DAMAGE 2-1
2.4
THE
BEELINE 2-1
2.5
ACCESSORIES
2-1
2.6
IDENTIFICATION
2-1
2.7
INSTALLATION
2-1
2.7.1 Placement for Operation
2-1
2.7.2
Power
Connection
2-2
2.7.3 Current Loop Interface (Optional) 2-2
2.7.4 CompositeVideo (Optional) 2-2
2.7.5
Data Interface Connections 2-4
2.8 INITIAL TURN-ON PROCEDURE 2-4
2.9 OPERATOR CHECKOUT PROCEDURES 2-4
2.9.1 Alternate Action Keys 2-4
2.9.2 Cursor Movement Checkout (Optional) 2-4
2.9.3
SEND
and
AUXSEND
Checkout (Optional) 2-6
2.9.4
FORMAT
Checkout (Optional Feature) 2-6
2.10 SPECIAL PRECAUTIONS 2-6
2.11 PC BOARD MOUNTED CONTROL JUMPERS 2-7
2.11.1
Parity Inhibit 2-7
2.11.2 Parity Selection (Odd/Even) 2-7
2.11.3
Parity Generation
(Mark/Space)
2-7
2.11.4
Word
Length Selection 2-7
2.11.5 Refresh Rate Selection 2-7
2.11.6 Auxiliary Baud Rate 2-7
2.11.7
PowerSupply Voltage Changes 2-9
SECTION
III -
OPERATION
3.1 INTRODUCTION 3-1
3.2
OPERATOR CONTROLS 3-1
3.3
FUNCTION
KEY
OPERATIONS
3-1
3.3.1 Control Key Functions 3-1
3.3.2
Escape
Key Functions
3-1
3.4
OPERATION CODES 3-4
3.5
TIMING CONSIDERATIONS 3-4
3.6
MODES OF COMMUNICATION ! : : 3-4
3.7
MODES OF TRANSMISSION 3-5
3.7.1 Character (conventional) Transmission 3-5
iii
TABLE
OF
CONTENTS
(concluded)
SECTION
TITLE
PAGE
3.7.2 Block Transmission (Line or
Page)
3-5
3.7.3 Auxiliary Character Transmission 3-5
3.7.4 Auxiliary
Port
Block Transmission
3-5
3.8
BAUD
RATE
SELECTION
3-5
3.9 FORMAT MODE {Optional Feature) 3-5
3.10
FORMAT
TAB
3-6
3.11
MEMORY
AND
DISPLAY
ORGANIZATION
3-6
3.12
CHARACTER
OVERWRITE
3-6
3.13
AUXILIARY
PORT
3-6
3.14
MAIN
INPUT/OUTPUT
PORT
3-6
3.15
CURSOR
ADDRESS
3-7
3.16
BLOCK
SEND
DELIMITER
PROM
3-7
ADDENDUM
I
8150
SERIES
SPECIFICATIONS
TABLE
2-1
2-2
3-1
3-2
FIGURE
1-1
2-1A
2-1B
2-2
2-3A
2-3B
2-4
2-5
3-1
3-2
LIST
OF
TABLES
DESCRIPTION
I/O End Auxiliary
Port
Pin Assignments
....
B150 Series
Jumper
Assignments
and
Logic Board
Strapping
Locations
Timing
Filler
Null
Codes
v . .
Cursor
Address
Codes
LIST
OF
ILLUSTRATIONS
PAGE
2-3
2-8
3-4
3-7
DESCRIPTION
PAGE
B150
Series
Terminals
1-2
B150/B157 Mounting Requirements 2-2
B152Mounting Requirements 2-2
Current Loop Cabling Diagram 2-3
Rear
Panel
View
of
the
B150/B157
Terminal
2-5
Rear
Panel
View
of
the
B152
Terminal
2-5
INPUT/OUTPUT
Word
Structure
2-7
Power Supply Voltage Change Documentation 2-9/2-10
B150
Series Lower
Level
Keyboard Operation • 3-2
B150
Series
Upper
Level
Keyboard
Operation 3-3
IV
SECTION
I
INTRODUCTION
This manual provides a general
equipment
des
cription
and
operating
instruction
for
the
Bee
hive
8150
series
video
terminals.
Included
are
sufficient
diagrams,
tables
and
descriptive
text
to
provide an understanding of
the
operational
characteristics
of
the
equipment.
A brief equip
ment
description/option list, installation with
setup
procedures,
and
operating
instructions
are
included
in
three
general
sections.
Section I provides a brief description of
the
8150
series
ternriinals
and
a
brief
summary
of
the
differences
between
the
8150
series
termi
nal
models.
Section
II
describes
the
installation
and
initial
checkout
of
the
terminal.
Section
111
describes
the
operational
character
istics
and
functions
of
the
terminal.
The
Beehive 8150 series
units
(see Figure 1-1)
are
low-cost
multi-feature
remote
video
display
terminals.
The
terminals
are
self-contained,
operator oriented, and computer accessible.
The
Beehive
8150
series
are
attractively
styled
sophisticated electronic packages, designed for
use in serially transmitting information
to
and
receiving information from an interconnected
data
source.
The
terminals
are
fast,
with
an
operational exchange of data at any
of
several
preselected transmission rates —75 to 19200
baud.
Other
features
include
cursor
control,
lower
case
descender
characters,
and
an
auxil
iary interface. In addition. Block Send, Aux
iliary Send, editing, formatting, blinking, and
16 special function keys are some of
the
fea
tures
available in
upper
level
terminal
con
figurations.
1-1
The 8150 and 8157 terminals are packaged in a
single-piece housing; the 8152 features a two-
piece
housing,
allowing
the
keyboard
to be
removed.
The
8157 capabilities have been
expanded
to
provide
a
programmable
keyboard
and
Pl-A
program
changes,
making
it capable of
communicating and operating with most time-
share
systems.
The
Beehive
8150
series
are
controlled
by an
operator-designed
keyboard
employing
N-key
rollover feature. When a key is held down for
longer
than
half
a
second,
it automatically
repeats
at a
rate
of 15
characters
per
second.
Autorepeat on some keys is inhibited where not
meaningful. Keyboard features include an
11-key
numeric
pad
for
convenient
entering
of
numbers; cursor up, down, right and left con
trols;
and
optional
function
keys
with
edit
and
data
transmit
keys.
Interfacing,
baud
rate
selection,
half
and
full
duplex
switching,
and
video
controls are
conven
iently
arranged
on the
rear
panel.
(Full
duplex
operation
allows
datato be
transmitted
with
the
terminal'sreceiverinput enabled for immediate
computer
reply
ofthe
transmitted
data
[echo-
plexed]
to
verify
proper
receipt
ofthe
data)
The
Input/Output
and
auxiliary
I/O
connectors
will
interact with most standard
serial
RS232C
external
devices. Data from
the
auxiliary port can be re
ceived
and
transmitted
at
a
baud
rate
separate
from that of the standard
I/O
Port. The baud
rate of the auxiliary port is strap selectable.
The
CRT
is a 12-inch/30.5 cm {measureddiagon
ally),
digital
type
monitor
which
is
formatted
to
display 24 lines with
80
characters
on each line,
for a total page
memory
of 1920 characters. Each
character
is
generated
from
a 5 x 7
dot
matrix,
with
two-dot
spacing
between
adjoining
characters
and a one-scan spacing between
adjacent
lines.
The
standard
character
set
consists
of
95
display-
able
characters.
The
character
set
includes
lower
case
character
descenders
(e.9.,
y, g,
etc.).
Each
terminal
model
in
the
B150
series
is
described
in
the
appendices
to
this
book.
The
basic B150
series
terminals
feature:
•
Auxiliary/Printer
Interface
•
Numeric
Pad
•
Transmission
rates
to
19,200
bps
•
Cursor
Control
Cluster
•
Addressable
Cursor
•
Low
Power
Schottky
Technology
Upper level features include:
•
Block
Send
•
Blinking
•
Auxiliary
Send
•
Editing
•
Formatting
•
16
Special
Function
Keys
SECTION
II
INSTALLATION
2.1
INTRODUCTION
This section contains information on unpacking,
receiving
inspection,
connection
of
the
communi
cations interface, physical placement
of
the
termi
nal, and preliminary functional control settings.
This
allows
the
user
to
tailor
the
B150
series
for
specific
requirements.
2.2
UNPACKING
The
following
items
are
furnished
with
each B150
series
terminal:
a.
The
display terminal with
keyboard
b.
Operator's
Manual
There are no tie-downs or packing materials inside
the
unit
which
need
to
be
removed.
Store
the
car
ton
for use as a
future
shipping container, if desired.
2.3
INSPECTION
FOR
IN^HIPMENT
DAMAGE
Upon receipt, carefully
check
components
for
any
signs of shipping damage. All shipping
containers
have
been
specially designed
to
protect
their
con
tents,
and
special
care
has
been
taken
to
prevent
damage
under
normal shipping
conditions.
Mis
handling will be evident
upon
inspection
of
the
ship
ping container,
and
if damage is
found
after
visual
inspection,
take
care
not
to
destroy
the
evidence
If necessary,
document
the
damage with photographs
and
contact
the
transport
carrier as
soon
as possible.
2-1
2.4
THEBEELINE
In a continuing effort
to
provide
the
best in support
and service
to
terminal users, a one-year subscription
to
an
updating
information
service
is
available.
Ser
vice tips, manual changes, corrective modifications
and
documentation,
and
recommended
spare
parts
are
only
a few
of
the
items this service provides.
Please
refer
to
the
order
form
at
the
end
of
this
manual
for
further
information.
2.5
ACCESSORIES
The
following accessories
are
available
for
use
with
the
B150
series
terminal:
a.
Acoustic
Coupler
Cable
(Part
#112-0031)
b.
NOVA*
Computer Serial I/OCable
(Part
#112-0040)
2.6
IDENTIFICATION
An
identification
plate
located
on
the
bottom
cover
of
the
terminal
provides
the
model
number,
serial
number,
weight,
voltage,
current
requirements,
fre
quency,
and
power
classifications.
2.7
INSTALLATION
2.7.1
Placement
for
Operation
The
terminal
is fully self-contained,
and
its
porta
bility
allows
it
to
be
moved
and
relocated
to
alter-
'Trademark
of
Data
General
Corporatioa
nate operating positions
without
removing or
changing any wiring. Select a convenient,
level
sur
face and place the terminal where
the
power cable
arid
data
I/O
cables
will
not
be in
the
way
of
the
operator. Route the cables in such a manner
that
they will not be inadvertently pulled or disturbed
by minor changesin terminal position or by working
personnel. Position
the
terminal so
that
operator
use
will
be
as
convenient
as
possible.
CAUTION:
Do
not
place
the
terminal on
any
surface
that
will
block
cooling air
from
the
bottom
or
back
of
the
cabinet.
The
terminal
is
provided with an internal fan for cooling. Air
enters through slots in
the
bottom and
out
of
slots provided in
the
rear of
the
terminal case.
To
maintain
efficient
air
circulation,
keep
at
least
two
inches
of
clearance
at
the
rear
and
on
the sides of the terminal (see Figures 2-1Aand
B).
2.7.2
Power
Connection
The terminal is shipped with a
three-conductor
power cord which grounds the instrument through
the offset pin. The safety feature of this ground
should always be preserved by grounding the unit
to
the
outlet
box
or
other
earth
ground.
If it is
necessary to use an adapter, ground
the
pigtail.
in
CO
22.25
2.73 Current Loop Interface(Optional)
The Current Loop Interfaceisa 20
mA
device
which
allows
the
terminal
to be
used
up to 2000
feet (608
m)
from
the computer. If
shielded,
twisted
pairs
are
used,
the
terminal
may
be
located
up to 6000 feet (1.8
km)
away
if
utilizedat slowerbaud rates. Interfaceconsists
of a 2-wire source, a 2-wire
receive
data line,
and
a 2-wire
transmit
data
line.
Datatransmission isnormally limited to 50 feet.
The
Current
Loop
adaptor
converts
the
TTL
logic
into
current
or
voltage
patterns
at
one
end
of the loop, transmits the pattern, reconverts
the
pattern
to
TTL
logic
at theother
end,
and
delivers it to the computer or terminal. The
current
loop
signals
arecontained
within
the
RS232C I/O connector and will not interfere
with normal RS232C signals required for asyn
chronous operation. See
Table
2-1
for location
of pin assignments and
Figure
2-2
for cabling.
2.7.4 Composite Video (Optional)
The
8150
series unit is provided with a composite
video device capable of driving a remotemonitorup
Allow
At Least 2 Inches
Clearance
56.5
cm
Allow
at
least.
2
inches
clearance
48.3
cm
2
IN.^
20
IN.
CLEARANCE
Figure2-1A B150/B157 Mounting Requirements
->
^2\N
12.5
IN.
CLEARANCE
26.9
IN.-
Figure 2-1B B152 Mounting Requirements
2-2
ia7i
IN.
3.5
IN
CLEARANCE
PIN
NO.
8
15
Terminal
Side
Customer
Side
Pin
Signal
18
Source
+
1
17
Transmit
! 24
Transmit
—
——*—
Customer
equip.
19
Source
—
»•
—to
20
ma
Loop
Input
;
23
Receiver
—
—=o
Customer
equip.
1 25
Receiver
—io
w/20
ma
Out
U
Full
Duplex
Current
Loop
20
ma
sources
supplied
by
each
transmitter
Terminal
Side
Pin
Signal
3
17
Transmit
_i 24
Transmit
O
S
23
d 24
Receive
Receive
Customer
Side
-Iq
Customersupplied
20
ma
Loop
Output
JLq
Customer
supplied
20
ma
for
Loop
Input
Both
sources
supplied
by
customer
Figure 2-2 Current Loop Cabling
SIGNAL
DESCRIPTION
I/O
Port
Frame
Ground
Transmitted
Data
Received
Data
Request
to
Send
Clear
to
Send
Signal
Ground
Carrier
Detect
X16
Terminal
Data
Clock
Table 2-1 I/O End Auxiliary
Port
Pin Assignments
RS-
232C
ASSIGNMENTS
PIN
NO.
in
Assignments
16
17
18
19
20
23
24
25
AA
BA
BB
CA
CB
AB
CF
This
conductor,
where
used,
is
electrically
bonded
to
the
machine
frame.
This
circuit
transfers
data
from
the
terminal
to
the
data
set
for
transmission
to
the
external
device.
The
unit
holds
circuit
BA
in
the
marked
condition
during
any
time
in
terval
between
characters
or
words
or
when
no
signals
are
to
be
transmitted.
The
circuit
transfers
data
from
the
data
set
to
the
ter
minal.
Signals
on
this
circuit
are
generated
by
the
data
set
in
response
to
data
signals
re
ceived
from
the
external
de
vice.
The
data
set
holds
this
line
in
the
marking
condition
when
the
line
is
idle.
Signals
on
this
circuit
are
generated
by
the
terminal
to
condition
the
local
data
set
to
transmit.
The
ON
condi
tion
is
maintained
whenever
the
terminal
has
information
ready
for
transmission
or
is
being
transmitted.
The
unit
transmits
data
on
circuit
BA
(Transmitted
Data)
only
when
the
ON
condition
is
maintained
on
circuits
CA, CB,
and
CD.
Request
to
Send
is
determined
internally.
Signals
on
this
circuit
are
generated
by
the
data
set
*
to
indicate
that
it is
pre
pared
to
receive
data.
The
ON
condition
on
circuit
CA
(Request
to
Send) is replayed
as
long
as
may
be
required
to
establish
a
connection
to
an
external
device.
When
cir
cuit
CA is
turned
off,
circuit
CB is
also
turned
off.
This
conductor
establishes
the
common
ground
refer
ence
for
all
interface
lines.
An
input
signal (High) will
enable
the
unit
to
receive.
TTL
level
clock
provides
a
B150/B152
to
slave
terminal
clock
rate
up
to
19,200
baud.
Input
clock
must
be X16
the
baud
rate
desired
and
baud
rate
switch
must
be
set
to
#15
setting.
t>&8
7
20
2-3
SIGNAL
DESCRIPTION
X8
Terminal
Data
Clock
Current
Loop
Transmit
Data
Current
Loop
20
mA
Constant
Source—Minimal
Current
Loop
Source
Ground
Data
Terminal
Ready
Receive
Data
Ground
Transmit
Data
Ground
Receive
Data
2^C
CL
CL
GND
CD
CL
CL
CL
ASSIGNMENTS
X8
TTL
level
transmit
clock
is
provided
to
clock
external
modem
or
interface
units.
Strap
on
Board
location
XD
11-7.
see
Table
2-2.
Transmit
data
from
the
terminal
via
CL.
Provides
the
20
mA
power
source
to
CL.
Provides
common
ground for CL circuitry.
Terminal
ready
is
high
whenever
power
is
on.
Provides
ground
for CL
Receive
circuit.
Provides ground for CL
Transmit
circuit.
Receives
data
from
external
device
via
CL.
Auxiliary
Port
Pin
/Assignments
Frame
Ground
AUX
Receive
Data
*
AUX
Transmit
Data
AUX
Request
to
Send
Clear
Data
Set
Ready
Signal
Ground
AUX
Ready/Busy
Line
This
conductor,
where
used,
is
electrically
grounded
to
the
machine
frame.
This
circuit
transfers
data
from
the
data
set
to
the
terminal.
Signals
on this
circuit
are
generated
by
the
data
set in response to
data
signals
received
from
the
external
device.
This
circuit
transfers
data
from
the
terminal
to
the
data
set
for
trans
mission
to
the
external
device.
Signals on this circuit are gene
rated by the data set to indicate
that
it is prepared to transmit
data.
Signals on this circuit are gene
rated by the terminal to condition
the
local
data
set
to
transmit.
When
the
terminal
is
ON,
the
line
remains
high.
This
conductor
establishes
the
common ground reference for
all
interface
lines.
Receives a signal from an outside
source indicating a busy or ready
mode
for a transmission-controlled
delay
to an
outside
source.
to 1000 feet from the terminal over a 50-ohm coaxial
cable. A
BNC
connector is provided on the rear of
the terminal forthisinstallation
(see
Figures
2-3A
&
B).
2.7.5
Data
interface
Connections
Signals
used
incommunicating with the
BIBOSeries
conform to the requirements of EIA Specification
RS232C. In particular,
output
voltage swingsfrom
-10
volts
to
+10
volts,
while
the
receivers
present
a
minimum of 3k
ohms
impedance
to
the
line.
The
receiver circuits employed in B150 switch at ap
proximately +1.0 volt, with 0.1V of hysteresis.
The input resistance isapproximately 4k ohms. The
driver
circuits
current
limit
is
at
10
miliiamps
on
both
source
and
sink.
All
data
source
interconnections
are
made
via
the
rear panel
Input/Output
connector
(refer to Figure
2-3).
A 25 pin miniature D-type ITT
Cannon
con
nector
(DI\/l-25S
or
equivalent) is
used
for
connect
ing to the computer. Pin assignments are listed in
Table
2-1
and
defined
in
the
following
paragraphs.
2.8
INITIAL
TURN-ON
PROCEDURE
Read carefully Figures 3-1 and 3-2 before operating
the
terminal.
The proper turn-on procedure for
the
terminal is as
follows:
a. Set the rear panel
POWER
ON/OFF switch
to
ON; allow a warm-up period of approximately
one
minute
and
ensure
that
the
cursor
has
ap
peared in the upper left hand corner of the
screen. If
the
cursor
does
not
appear,
check
that ACpower issecure and go through the
the Brightnessand Contrast adjustments, ex
plained below.
c. Simultaneously depressthe
SHIFT
and
CLEAR/
HOME
keys
to
clear
the
screen.
Perform
the
checkout procedures described in
the
following
paragraphs.
b.
Turn
the
BRIGHTNESS CONTROL
(located
on
the
rear panel, see Figure 23) ufitil a raster
is faintly visible on
the
screen. Write sever
al
characters
on
the
screen,
using
both
high
and
low intensities. (The keys ESC-[
and
ESC-]
produce
the
different intensities.) Re
duce
the
Brightness until
the
background raster
is extinguished. Adjust
the
Contrast CON
TROL (located on
the
rear panel, see Figure
2-3)
until
the
characters
are
sharply
defined
and
the
difference
between
the
two
intensities
is
easily
distinguished.
2-4
2.9
OPERATOR
CHECKOUT
PROCEDURES
To test
the
functional capabilities of the terrninal,
perform
the operatorcheckoutprocedures
given
in
the following paragraphs. Before proceeding, en
sure
that
the
screen is
clear
and
the
cursor
is in
the
Home
position.
2.9.1
Alternate
Action
Keys
Perform
the
initial
setup
as
follows;
a. Set
the
rear panel
HDX/BLOCK/FDX
switch to
HDX
(see Figure 2-3 for Switch location).
b.
Set
the
rear panel
CL/CL/RS232C
switch
to
RS232C
c. Depress the "a" key and enter a number of the
characters
in
memory
and
on
the
display.
Depress
the
SHIFT key and
enter
more
char
acters.
Note
that
any
letters
entered
are
now
capitalized.
d.
Depress
the
RETURN
key and notice that the
cursor
moves
to
the
first
location
of
that
line.
e.
Depress
the
LINE
FEED
key and note that the
cursor
moves
to
the
same
column
in
the
line
directly below its previous location.
f. Depress the
HOME
key and note that the cur
sor returns to
the
Home position (the first
column
on
the
first
line).
g.
Depress
the
LINE
FEED
key
several
times,
followed by several "a" keys. This should
move
the
cursor
toward
the
center
of
the
screen.
h.
Depress
the
SHIFT
and
CLEAR
keyssimulta
neously. Note that the display completely
erases
and
the
cursor
returns
to
the
Home
position.
2.9.2
Cursor
Movement
Checkout
Before
performing the checkout,
depress
the
CTRL
SHIFT,
and
CLEAR/HOME
keyssimultaneously to
initialize
the
terminal circuitry. Ensure
that
the
terminal is in a loopback mode
(LOCAL,
BLOCK
or
HDX),
the cursor is in the Homeposition, and
the display is blank. Perform the checkout as
follows:
a.
Depress
and hold the
CURSOR
DOWN
key un
til
the
cursor
reaches
the
bottom
line
of
the
display. Oncethe cursor ison the bottom line
and the key is not released,the cursor should
remain on
the
bottom
line.
The
display is
actually rolling up at this time.
b.
Depress
and
hold
the
CURSOR
RIGHT—-vkey
until
the
cursor reaches
the
last position on
the
line. Release
the
key
at
this
time.
c.
Depress
and
hold
the
CURSOR
UP
T
key
until
the cursor is on
the
top
line of
the
display. Re-
o
n
SIV?
V 1 110
180
xo
SJV
flw
sX
6 \ W
7
NjBOO.
1 JoooVw
0
240CK.
O
rOWCA
KCSCT
10
It
u
MOO
18
D D
[3
[
BRI0HTNE8S
CONTRAST
MAIN
PORT
CIRCUIT
BREAKER
Piavanti
dimage
to
circuitry
during
volltsa/currtni
ov«rlotd.
AUXILIARY
PORT
This
connector
provides
an
irtterlace
lor peripheral device, such as disks,
printers,
tape
drives,
etc.
HDX/BLOCK/FDX
Sclects
half
duple*,
block
mode,
or
lull
duplex
operation.
"OX
operation
data
1^^^
kavboird isdisplayed.stor«din rwrnofy,andiraotmitted ouMhe I/OpoM. In
FDX
operation,
data
it
fouled
to
the
I/O
port
and
not
dijplweU
or
"Ortd.
<n
Bl<««
^^^an
<i
onlv
stored
and
displayed
in the
terminal
untilthe
SEND
or
AUX
SEND
keysare
depressed.
BAUD
RATE
SWITCH
Thii
control
selects
the
baud
raia
that
the
tranunitttr
•nd receiver will uliliie 'or tranimiiiion. Thara era IS
internal
and
1
external
baud
rate
laleciiohs.
at
thown
in
the
above
chart.
COMPOSITE VIDEO CONNECTOR
This
connector
provides
an
interlaca
to
a
ramoie
monitor,
which
can
be
located
up
to
1000
feet
from
the
terminal
and
oper
ates
throu^
a 50 ohm coaxial cabla.
HBF
CLR
EIA
CI./R/RS232C
(EIAI
In the CL position, the
input/output
data
is
loutad
to the
current
loop
transmitter
and receiver
only.
In aildilion,
R8232C
elements
are inactive. The
RS233C
posi-
tion disables the currant loop
•leml""
the data it routed throuah the RS232C
elements.
The
EIA
position
inhibits
any
transmission.
MAIN
PORT
This
port
provides
data
source
interlace
for
the
terminal,
RS232C
Of
current
loop
interface.
Figure
2-3A
Rear
Panel
View
of the
B150/B157
Terminal
BRIGHTNESS
o
baud
B B
[M
CONTRAST
oC
E
7/0
WD
OD
HBF
CLR
EIA
PLUG
\ I
POI
ON/OFF
POWER
SWITCH
CIRCUIT
BREAKER
Prevents
damage
to
circuitry
during
voltageAurrant
ovefload.
AUXILIARY
PORT
This
connector
provides
an
imerlace
for
periphera)
device,
such
as
disks,
printers,
tape
drives,
etc.
KDX/BLOCK/FDX
BAUD
RATE
SWITCH
This
control
talects the baud rate
that
the Uensmitter
and receiver will utilize for transmission. There are IS
internal ar.d I
exteioat
l>aud
rate
selections, at
shown
in
the
atwve
chart.
COMPOSITE
VIDEO
CONNECTOR
This
connector
provides
an
interface
to a
remote
monitor,
which
can
be
located
up
to
1000
feet
Irom
the
terminal
and
oper
ates through a SOohm coaxial cable.
Selects
hall
duplax,
block
mode.
Of
full
duplex
operation.
In
HDX
opeiatiorj.
t"®'*''O""„
keyboard
it
displayed,
storedin
memory,
anduantmittedout the"OPo"-
data
is
routed
tothe
1/0
port
and
not
diiplMed
or
"jod*.
daj®
'•
"''•d
and
displayed
inthe
terminal
until
the
SB^t)
or
AUX
SEND
keys
are
depressed.
CL/R/RS232C
(EIA)
In the CL
position,
the
input/output
data
is
routed
to the
current
loop
transmitter
and receiver only. In addition, RS232C
elements are inactive. The RS232C posi
tion ditablet the current loop elements and
the
data
is
routed
through
the
RS232C
elements.
The EIA
position
inhibits
any
transmission.
MAIN
PORT
This
port
provides
data
source
interface for the terminal, RS232C
or
currant
loop
interface.
Figure
2-3B
Rear
Panel
View
ofthe
B152
Terminal
2-5
lease
the key with the cursor
remaining
on the
top
line.
d.
Depress
and
hold
the
CURSOR
RIGHT
^key.
When
the
cursor reaches
the
end of
the
line,
the cursor
will
wrap around to the first position
of
the
next
line.
e.
Depress
and hold the
CURSOR
LEFT-<—key
to cause
the
cursor
to
wrap
around
to
the
next
position of
the
line above.
f.
Depress
the
HOME/CLEAR
keyto
move
the
cursor to the first character position of the
first
line.
2.9.3
SEND
and
AUX
SEND
Checkout (Optional)
Perform
the
initial
setup
as follows:
a.
Depress
the
CTRL,
SHIFT,
and
CLEAR
keys
simultaneously. Thisshould initializethe dis
play,clear the screen, and Homethe cursor.
b. Typea
message
test consisting of
several
lines
of
data.
c.
Move
the Baud Rate Selection switch to a slow
baud rate {useany low number).
d.
Leave
the cursor at the end of the data which
should
terminate
close
to
the
end of a line.
Perform
the
checkout
as
follows:
a.
Depress
the
SEND
key.
The
cursor
should
automatically moveto the Homeposition
and
move
slowly(rate dependson the baud
rate selected) to the right, character by char
acterand
line
by
line.
The
transmission
should
terminateat the
original
cursorposition. This
is
called
PAGE SEND.
b.
Depress
the
SHII=Tand
SEND
keys
simulta
neously.
Thecursorshould
move
to the first
position
ofthe
current
line
and
move
slowly
acrossthat line only, terminating with the
cursor in its
original
position. Thisoperation
is
called
a LINE SEND.
c.
Depress
the
ESC-1
key.
The resulting
operation is identical to that accom
plished
by
depressing
the
SEND
key
alone
(Page Send).
d.
Depress
the
AUX
SEND
key.
Thisoperation
looks like a
PAGE
SEND
The
only
difference
is
that
the
data is transmitted
out
the
AUX
PORT
instead of
the
MAIN
I/OPORT
2.9.4 FORMATCheckout (Optional Feature)
Perform
the
initial setup in
the
following manner:
a.
Depress
the
CTRL,
SHI
FT,
and
CLEAR/HOME
keys
simultaneously.
This
initializes
the
dis
play,clearsthe screen, and sendsthe cursor to
the
Home
position.
b. Establish
the
screen format (Unprotected and
Protected fields) by completing
the
following
sequence:
1.
Key-in
the characters desired in the first
unprotected
field.
2. Enter
ESC-1.
This starts a protected
field
3.
Key-in
the characters desired in the first
unprotected
field.
4. Enter
ESO[.
This ends a protected
field.
5. Repeat steps 1through 4 at each location
desired.
c. Send an
ESC-W
sequence which puts the dis
play in
FORMAT
MODE.
The protected
areas
are the positions of lower intensity. The cur
sor
should
have moved
to
the
first
unprotected
location
on
the
screen.
d.
Depress
the
CURSOR
RIGHT—^
key.
The cur
sor
should
now
move
to
the
right
and
jump
overall of the protected areas (lowintensity).
e. Simultaneously depressthe
SHIFT
CLEAR/
HOME
keys.
All
data residing in the unprotected
areas
(high
intensity) should be erased,
leaving
only the protected
fields
(low
intensity) on
the
screen.
f.
Depress
the
FORMATT/^fi
key once. The cur
sor should move
to
the
first position of
the
next
unprotected
field.
Repeated
depressions
of the
FORMAT
TAB
key will movethe cursor from
field
to
field. When
the
cursor resides in
the
first position of the lastunprotectedfield on
the screen, the next depression
will
causethe
cursor
to
then
move
to
the
first
unprotected
position on
the
screen.
g.
Initialize
the
display
with
the
simultaneous
de
pression
of the
CTTRU
SHIFT,
and
CLEAR/
HOME
keys.
210
SPECIAL PRECAUTIONS
Ifthe terminal isto be operated inconjunction with
a
data
phone,
data
modem,
direct
to the
CPU
or
any
other device, special care should be taken to ensure
that the interface requirements are established
pei"
ElA
Specification
RS232C.
The
logic
levels
required
by
this
specification
may
cause
serious
damage
to
communication interfaces designed strictly for stan
dard
DTL
or TTLintegrated circuit
logic
levels.
The
same
precaution
should
be
made
when
connecting
to
any
communications
I/O.
In
addition,
care
should
betaken to besurethe
pins
used
for current loop
are
open
inthe
cable
or
interface
device
to
prevent
damage to the terminal.
2-6
To
protect
operating
personnel,
these
units
are
equipped
with a
three-conductor
shielded
power
cable
that
grounds
the
unit
The
units
should
be
operated only with this
or
a similar
type
grounded
power
cable. To
temporarily
operate
the
B150
series
from
a
two-conductor
outlet,
use
a
three-
conductor
to
two-conductor
adapter.
Preserve
the
safety
feature
by
grounding
the
adapter.
2.11
PC
BOARD
MCXJISTTED
COm*ROL
JUMPERS
A
number
of
terminal
controls
are
mounted
on
the
printed
circuit
board.
These
controls
are
referred
to
elsewhere
in
this
manual
as
strappable
options
or
controls.
They
are
listed in
Tables
2-2.
2.11.1
Parity
Inhibit
With
this
strap
installed,
an
odd
or
even
parity
bit
will
be
generated
following
the
data
in
the
serial
data
word.
If
the
strap
is
not
installed,
no
odd
or
even
parity
will
be
generated.
2.112
Parity Selection (Odd/Even)
With
this
strap
installed,
odd
parity
will
be
gener
ated
following
the
data.
With
this
strap
out, even
parity will be generated. This
strap
is active
only
if
the
Parity
Inhibited
strap
is installed.
2.113
Parity
Generation
(Mark/Space)
Mark
or
Space
parity
is generated by
transmitting
an
eight-bit
data
word
and
forcing
the
eighth
bit
SPACE
high
or low. Therefore, if
mark
or spaceisdesired,
the
Word
Length Control strap must be left out to
generate an eight-bit word (data). Then, if the
eighth
bit control strap isinstalled, a
spacing
parity
bit isgenerated. If left out, the parity position
will
mark. Note: The eighth bit control is only active
with
8
data
bit
word
length.
2.114
Word Length
Selection
A nine-bit transmission word can be generated by
sending one start bit, seven data bits, no parity bit,
and one stop bit. A 10-bit word is generated by
sending one start, seven data bits, one parity bit
(odd, even, mark,or space), and
one
stop bit. An
11-bit word has
two
stop
bits (See Figure 2-4.).
2.11.5
Refresh
Rate
Selection
With this strap installed,
the
terminal functions at a
refresh
rate
of
50
Hz. With no
strap
installed,
the
terminal
functions
at
a
standard
60
Hz
vertical
re
fresh rate. With
the
strap
set
at
50
Hz
and
the
power
commoning
block
configured
to
the
proper
power
strapping (see section
2.11.7)
the
terminal
con
forms
to
export
requirements.
2.11.6
Auxiliary
Baud
Rate
This
control
has
15
switch
locations
to
select
one
of 15 baud rates normally provided for
the
Main
I/O Port. Only one strap should be installed. This
baud
rate
will
be
enabled
when
the
AUX
ENABLE
key isdepressed or when the
AUX
SEND
key is
activated.
(Continued
page
2-9)
1
2
3
4 5
6 7
8 9 10 n
MARK
LSB
MSB
11 Bit
Word
With
Ptriiy
"Mtrk"
SPACe
1
2 3
4
S
a
7
a
0
to
MARK
w
LSB
MSB
to
Bit Word With
Puity
"Mtrk"
SPACE
1 2
3
4 S
a
7 8
9
MARK
LSB
MSB
9 Bit Word With No
Pirity
Figure 2-4 INPUT/OUTPUT Word
Structure
2-7
OPEN
NO.
Table
2-2 B150 Series
Jumper
Assignments
and
Logic Board
Strapping
Locations
CLOSED
(+)
OPEN
NO.
CLOSED
(+)
STRAP
LOCATION
XA1
STRAP
LOCATION
XDE13
UNUSED
LOW
INTENSITY
UNUSED
ONLY
ONE
CLOSED
UNUSED
LOW
INTENSITY
W/FORMAT
UNUSED
INTERNAL
AUX
DELAY
AUX
BUSY
CONTROL
AUX
READY
CONTROL
STRAP
LpCATION
XD10
MAIN
2
STOP
1 .
MAIN
1
STOP
MAIN
NO
PARITY
2
MAIN
PARITY
ENABLE
MAIN
EVEN
PARITY
3
MAIN
ODD
PARITY
MAIN
8-BIT
WORD
4
MAIN
7-BIT
WORD
MAIN
BIT
8
MARK
5
MAIN
BIT
8
SPACE
60
HZ
6
50
HZ
7
UPPER
CASE
ONLY
STRAP
LOCATION
XD11
AUX
2
STOP
AUX
NO
PARITY
AUX
EVEN
PARITY
AUX
8-BIT
WORD
AUX
BITS
MARK
UNUSED
NO
X8
CLOCK
. c
AUX
1
STOP
AUX
PARITY
ENABLE
AUX
ODD
PARITY
AUX
7-BIT
WORD
AUX
BIT
8
SPACE
UNUSED
} i
Ip
§0 i
= s
It
1
1n
ra
q
ra
ra
•
XDEU
X0E13>
i !
X6U
XDIO^
§.§,lllil@
c
a
0 B 0
ONLY
ONE
STRAP
IS
JUMPERED
1
19200
BAUD
2
9600
3
7200
4
4800
5
3600
6
2400
7
2000
STRAP
LOCATION
XDE14
1
1800
2
1200
3
1000
4
600
6
300
6
150
7
110
8
75
0 0
0
Bf
0 0
0 0
0 0 0 0-,
B
0y0«.ijo
^#0fS#0aj"
—11
I
tf
2-8
uaracE
i^F-I
2.11.7
Power
Supply
Voltage
Changes
The
following
procedure
is given so
that
the
user
can
configure
the
Power Supply voltage
to
suit a particular
incoming
line
voltage.
CAUTION:
Only
trained
technical
staff
should
be
allowed
to
reconfigure
the
terminal
Power
Supply.
A
chart
is given in Figure 2-5
that
describes
the
various wiring
configurations
for
the
voltages
100
vac-
50/60
hz,
115
vac
50/60
hz,
and
220
vac
50/60
hz.
Some
of
the
changes
are
complex
as
when
converting
from
115
vac
60
hz
to
any
other
voltage
and
frequency.
Figure
2-5
contains
wiring
diagrams
that
explain
these
changes
and
the
necessary
additional
parts
(if any)
are
listed
to
the
right.
QUANTITY/ITEM
PART
NO.
USE
1
Line
Filter
610-0004-6617
llSvac
BOI^z.
lOOvac
50/60hz,
&
230vac
50/60hz.
1
Line
Cord
601-0602-2105
Used
in
230vac
S0/60hz
1
Circuit
Breaker
611-0104-0150
Used
in
230vac
S0/60hz
S
.250
Faston
Terminals
704-0169-9778
Ail
Cases
1
Connector
(closed
end)
606-0035-EC56
lOOvac
60/60hz
only
2
No.
6
Lock
Nut
701-0002-0006
All
except
llSvac
60Hz
2
Starlock
Washers
701-0006-0006
All
except
11
Svac
60IHz
TBl
WIRE
100
VOLT
50/60HZ
1
T1-Brown
2
Tl-Yellow
3
Fan
4
Line
Filter
No.
4
S
Key
6
T1-Black
7
Tl-Gray
8
Line
Filter
No.
5
9
Key
10
Blank
T1
Red
Fan
t
115
VOLT
50Hz
1
Tl-Brown
2
Tl-Yoliow
3
Fan
4
Line
Fiiter-No.
4
5
Key
6
T1-Grange
7
•
T1-Red
8
Fan
9
Line
Filter
No.
5
10
Key
230
VOLTS
50/60HZ
1
Tl-Brown
2
Fan
3
Line
Filter
No.
4
4
Key
5
Tl-Yellow
6
Tl-Red
7
Fan
8
Key
9
T1-Orange
10
Line
Filter
No.
5
Figure 2-5 Power Supply Voltage Change Documentation
(continued
on following page)
FROM
TO
Tl-Vioiet
P2-9
Tl-Vioiet/White
P2-7
T1-Vioiet
P2-8
Tl-Green
P2-6
Tl-Groen
P2-5
Tl-Biue
P2-3
Tl-Blue
P2-2
SPK-Yeiiow
P2-1
SPK-Brown
P2-4
S1-2
CBI-1
Power
Cord
Bik.
or
Brn
CBI-2
Power
Cord
Green
Line
Filter
No.
2
S1-1
Line
Filter
No.
1
Power
Cord
Wht.or
Blu
Line
Filter
No.
3
TBl
WIRE
TO
FROM
116\
fOLT
60Hz
Tl-Violet
P2-9
T1-Violet/White
P2-7
1
Tl-Brown
Tl-Violet
P2-8
2
Tl-Yellow
Tl-Green
P2-6
3
Fan
Tl-Green
P2-B
4
Switch
S1-1
T1-Blue
P2-3
5
Key
Tl-Blue
P2-2
6
T1-Orange
SPK-Yeiiow
P2-1
7
Tl-Red
SPK-Brown
P2-4
8
Fan
S1-2
CBI-1
9
Power
Cord-White
Power
Cord
Black
CBI-2
10
Key
Power
Cord
Green
El
*
t
For
100
vac
configuration
connect
T1
Red
and
Fan
lead
togethiar
using
a
closed
end
connector.
See
parts
list
above.
2-9
>o
Or
PX
T
7
a
4i
s
3
t.
I
VIOI^
WMITE.
VIOUCT
vfxtow
C£0>v^)
BICOWM
^AWfr)!
(
\
-rRA.Kia>FOR.Iw^CJt
T1
)
ycu-ow
TO-'S
K.tfcUl.A.TOR
COMSICjC.*nOV4fc
115V
50Hz
DIAGRAM
See Table on
the
preceding
page
for
wiring
information
for
100V
and
230V
configuration.
MECM
\
t
*
CCA.*!.)
BUAkCK.
v/ocer
N
tryacgT-
>
•>
AJeSBU
acMT ^
>
Y0zzoi^
/^ZAtmj
N
Ce2^4me,}
\
7
\
( i
r/
'[
115
V60HZ
DIAGRAM
See Table on
the
preceding
page
for
wiring
information
el
ae44/£^
A
\
r
j<ey—s.
M
WHrTx"7|BA3^3^
Figure 2-5
Power
Supply
Voltage Change
Documentation
(concluded)
UMt
&L>.C»«.0&AW^> «
SI
2.
(\
B/SV«&r)
u
1
CB1
Z
BV^CK
•
wMire
CS/
SOttir
l>OWCX.
co«s
;
D
«7/«OTr
f-/
SECTION
OPERATION
3.1
INTRODUCTION
This
section
provides
basic
operating
instructions
for
the
B150
series
computer
terminals.
To
operate
these
terminals
efficiently,
the
operator
should
be
familiar
with
instructions
contained
in
this
section.
The
B150 series
terminals
should
be
properly
in
stalled in
accordance
with
procedures
outlined
in
Section
II
of
this
manual.
3.2
OPERATOR
CONTROLS
The
keyboard
and key explanations
are
shown in
Figures 3-1
and
3-2
Operation
of
any
key
on
the
keyboard
causes
either
character
codes,
control
codes,
or
escape sequences
to
be generated.
The
type
of
code
selected
by
the
operator
is
deter
mined
by
the
key
or
sequence
of
the
keys
which
have
been
depressed.
There
are
three
keys
that
are
used
in a
sequence
with
any
alphanumeric
key:
To
perform
an Escape
operation,
depress
and
release
the
BSC key,
followed
by
the
desig
nated
alphanumeric
key
(see Figure 3-2).
To
perform
a
Control
function,
depress
the
CTRL
key
and
hold
this
key
down
while
simultaneously
typing
the
alphanumeric
key.
If
the
upper/lower
case
option
is selected,
the
SHI
FT
key
is
used
to
generate
upper
case
codes
and
is
operated
the-
same
as a
type
writer
shift
key.
Some
Control codes, generated by depressing a
Function key,
produce
a single 8-bit
code
which
is
acted
upon
but
not
transmitted,
e.g.,
cursor
move
3-1
ment
controls,
SEND,
CHARACTER
DELETE,
etc. The Escape or Control codes generated by de
pressing
the
ESCor CTRL keys and an alpha
numeric
key
produce
two
7-bit
codes
which
are
acted
upon
and
also
transmitted,
e.g., ESC-A,
etc.
3.3
FUNCTION
KEY
OPERATIONS
3L3.1
Control
Key
Functions
The
Control
functions
may
be
generated
from
the
keyboard
or
by
receipt
of
corresponding
commands
from
the
I/O port. Figures 3-1 and 3-2 provide
the
sequence of operation for each Control function
when generated from
the
keyboard
or
when received
from
the
I/O
port
Table 3-1 depicts
the
ASCII
codes
for
each
Control
function.
Control
and
Escape
codes generated at the keyboard by depressing the
function keys are
single
8-bit codes. TheControl
and Escape codes generated as a Control or Escape
code sequence at the keyboard or receivedat the
I/O port consist of
two
7-bit words.
332
Escape
Key
Functions
The Escapefunctions may be generated from
the
keyboard or by receipt of
the
proper escape func
tion
sequences
from
the
I/O
port.
The
common
Escape
functions
include:
•
The
ESC-m
sequence
terminates
entry
of
data
into
a
blink
field.
•
The
ESC-I
sequence allows
data
entered
into
(continued
page
3-4)
The
11
key
NUIV1ERICPAO
Jor
convenient
entry
of
numerical
data.
These
keys
are
not
affected
by
the
SHIFT
key.
The
EOL
key
causes
data
to
be
cleared
from
cursor
position
to
the
end
of
the
line.
The
EOS
key
causes
data
to
be
cleared
from
cursor
position
to
the
end
of
the
screen.
The
ESC
(Escape)
key
generates
•the
ASCII
code
which
it
used
as
The
RETURN
key
causes
the
cursor
to
go
to
the
first
column
of
the
same
line.
Oi
rb
The
CTRL
(Control)
key
when
depressed
simultaneously
with
any
alpha
key:
bits
6
and
7
are
both
forced
to
a 0.
This
allows
operation
of
the
control
codes
as
shown
in
column
Oand
1 of
the
ASCII
code
chart.
This
is
a
momentary
action
key.
The
SHIFT
key
is a
momentary
key
that
enables
upper
case
alpha
and
special
characters
to
be
entered.
The
LINE
FEED
key
causes
the
cursor
to
move
In
the
same
column
and
down
one
line.
It
results
In
the
same
action
caused
by
the
CURSOR
DOWN
key.
The
keys
CTRL-J
can
also
be
used.
RETURN
7 8
9
4
5
6
1 2
3
0
•
The
DEL
(Delete)
key
generates
a
non-displayable
delete
code
when
shifted.
Lower
case
use
of
this
key
produces
an
under
score.
^os
j
AUX«
ONIN
1
s
AUX,
ENBl
-»•
\
u
IClEAi
breakI
ALPHA
lOfK
When
CLEAR/HOME
key
is
activated
in
the
unshifted
mode,
the
cursor
will
move
to
the
Home
position.
If
shifted
(type
the
SHIFT
key
simultaneously
typing
the
CLEAR/
HOME
key),
a
"clear
screen"
operation
is
activated.
If
not
in
the
FORMAT
MODE,
ail
data
will
be
erased.
If in
the
FORMAT
MODE, only
the
unprotected
data
(high
intensity)
will be erased. The keys ESC-H
can
be
used
to
Home
the
cursor.
The
keys
ESC-E
can
also
be
used
to
clear
the
screen.
The
CURSOR
LEFT
key
causes
the
cursor
to
move
one
location
to
the
left.
If in
the
first
location
of
a
line,
the
command
will
cause
the
cursor
to
go
to
the
last
location
of
the
tine
above.
If
the
cursor
is in
the
Home
position,
the
command
will
cause
the
cursor
to
go
to
the
last
location
of
the
last
line.
The
keys
ESC-D
may
also
be
used.
NOTE:
In
FORMAT
MODE,
the
CURSOR
KEYS
will
not
allow
the
cursor
to
remain
in a
protected
field.
The
cursor
will
skip
to
the
next
unprotected
field
automatically.
The
CURSOR
UP
key
causes
the
cursor
to
move
to
the
same
column
on
the
line
above
its
present
location.
If
on
the
first
line,
the
cursor
will
wrap
around
to
the
same
column
of
the
last
line.
The
keys
ESC-A
can
also
be
used.
The
AUX
ON
LN
(Auxiliary
On
Line)
key
is
an
yalternate
action
key
designed
to
connect
the
I/O
Port
with
the
Auxiliary
Port.
This
allows
the
terminal
to
send
a
receive
in a
Daisy
Chain
fashion.
NOTE:
Baud
rates
between
the
two
ports
must
be
identical.
-The
AUX
ENABLE
is
an
alternate
action
key
which
enables
conversational
mode
trans
mission
out
the
Auxiliary
Port
only.
When
this
key
is
activated,
the
I/O
Port
is
disabled.
CURSOR
DOWN
causes
the
cursor
to
move
to
the
same
column,
one
line
below
its
present
location.
If
on
the
last
ITne
and
not
in
FORMAT
MODE,
the
CURSOR
DOWN
command
will
cause
the
display
to
scroll.
If in
the
FORMAT
MODE,
the
CURSOR
DOWN
causes
the
cursor
to
wrap
around
to
the
same
column
in
the
first
line.
If
the
cursor
ends
in a
protected
field.
Cursor
Down
will
move
forward
to
the
first
unprotected
location
found.
The
keys
ESC-B
can
also
be
used.
The
ALPHA
LOCK
key
is
an
alternate
action
key
that
locks
the
terminal
in
an
upper
case
mode.
Allows
the
ter
minal
to
bo
teletype
code
compatible.
The
CURSOR
RIGHT
key
causes
the
cursor
to
move
one
location to
the
right. If
the
cursor is in the last
position
of a line, this sequence moves
the
cursor
to
the
first
po
sition
of
the
next
line
down.
If
the
terminal
is
not
in
FORMAT MODE and
the
cursor is in
the
last
position
of
the
last
line,
the
command
will
cause
the
cursor
to
wrap
around
to
the
first
position
of
the
last line
and
the
screen
will scroll. If in
FORMAT
MODE a
command
off
the
last
position of
the
screen will cause
the
cursor
to
return
to
the
Home
position.
The
keys
ESC-C
can
also
bo
used.
The
BREAK
key
generates
a
pulse
of
approximately
450
(+—20%) milli
seconds
which
is
used
to
place
the
transmit
data
line
in
the
spacing
state.
Figure
3-1
B150
Series Lower
Level
Keyboard Operation
CO
ESC
CTRL
SHIFT
FUNCTION k«v$ F 1
through
16 are special key*
that produce a code sequence to the I/O Port. The
code
sequence begins
with
an STX followed by an
E'SC-alphanumeric key and ends with an ETX.
SHAODED KEYS DENOTE THE UPPER LEVEL ONLY KEYS
spsiswirs:??,
The
AUX
SEND
key
initiates
a
page-type
block
send
out
the
AuKiliary
Port.
The
SEND
key
initiates
a
page-type
block
send
out
the
Main
I/O
Port
if
unshifted.
If
shifted,
.initiates
a
line-type
block
send.
The
ESC-I
sequence
can
also
be
used.
The
INST
CHAR
(Insert
Character)
is
an
alternate
action
key.
Any
character
entered
while
in
this
nf>ode
will
be
inserted
under
the
cursor
while
all
characters
starting
at
the
cursor
and
extending
to
the
end
of
the
line
or
to
the
next
protected
field
will
shift
one
position
to
the
right.
The
last
character
will
be
lost.
— A
'Ih
9
4
II
5
6
>11
2
3
0
•
l£itra
1
EOl
AUX
ONLN
AUX
ENBL
-*•
M
BREAK
AlPHAl
lock]
+
7}
SPACE
ami
SHIFT
RETURN
LINE
FEED
DEL
The
DEL
CHAR
(Delete
Character)
key
causes
the
deta.
starting
to
the
right
of
the
cursor
and
end
ing
at
the
and
of
the
line.or
the
next
protected
field,
to
shift
one
position
to
the
left.
The
character
under
the
cursor
will
be
lost.
The
FMT
TAB
(Format
Tab)
key
will
move
the
cursor
to
the
first
position
(in
FORMAT
MODE)
of
the
next
unprotected
field.
In
this
way.
the
operator
can
quickly
position
the
cursor
where
necessary.
The
keys
CTRL-I
can
also
be
used.
Out
of
format,
the
cursor
remains
stationary,
but
the
TAB
command
is
transmitted.
The
Upper Level
keyboard
provides all
the
operating capabilities
of
the
Lower
Level
keyboard
plus
the
operations
described in
this
figure
Figure 3-2 B150 Series Upper
Level
Keyboard Operation
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Beehive International B 150 Series User manual

Brand
Beehive International
Model
B 150 Series
Type
User manual
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