COBHAM СН150-14 Operational Manual

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OPERATIONAL MANUAL

PUBLICATION No. CH150-14-00

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PUBLICATION No. CH150-14-00

AMENDMENT RECORD

REV DATE

CHANGE

NOTE

PAGES AFFECTED BY

1 19.08.09

-

New Document BP

2 13.11.09 30633 Updated for Software Version 3.0.0.12 BP

3 10.02.11 31498 Updated for Software Version 4.0.0.13 BP

4 04.10.13 35203 Updated for Software Version 6.0.0.15 BP

5 21.02.14 35424 Updated for Software Version 6.0.0.18 BP

6 20.11.14 36318 Updated for Software Version 7.0.0.XX BP

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1.

CONTENTS

GENERAL

1

1.1 INTRODUCTION 1

1.2 Radio Manager 2

1.2.1 Subscriber Class 2

2. MODES OF OPERATION AND CALL TYPES 3

2.1 Modes 3

2.1.1 Trunked Mode 3

2.1.2 Direct Mode 4

2.1.3 Direct Mode Gateway Operation 4

2.1.4 Repeater Mode 5

2.2 Call Types 6

2.2.1 Voice Calls 6

2.2.2 Data Calls 7

3. POWERING UP/DOWN THE SYSTEM 8

3.1 Powering Up 8

3.2 Radio Security 9

3.3 Automatic ‘Syncing’ 11

3.3.1 Forcing a ‘Resync’ 12

3.4 Radio Not Available 12

3.5 Powering Down 14

3.5.1 Power Down Failure 14

4. EXPLORING THE DISPLAY 15

4.1 System Keys 16

4.1.1 DUAL Screen System Keys 16

4.1.2 FULL Screen System Keys 17

4.1.3 Alphanumeric Keys 17

4.1.4 Hotkeys 18

4.1.5 SoftKeys and SoftKey Labels 19

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4.1.6

SoftKeys with Electronic Labels 20

4.1.7

Generic Keys 21

4.1.8

Emergency Key 21

4.2

Display Area 22

4.2.1

FULL Screen Display 22

4.2.2

DUAL Screen Display 22

4.2.3

Menu Screen Display 23

4.2.4

System Status Indicators 23

4.2.5

Unread Message Counters 25

4.2.6

The Information Line 25

4.2.7

The Pop-up Area 25

4.3

Pop-ups 25

4.3.1

Timed Pop-ups 25

4.3.2

Actionable Pop-ups 26

4.4

Display of Call Activity 26

4.4.1

Call Activity in the FULL Screen 26

4.4.2

Call Activity in the DUAL Screen 27

4.4.3

Call Activity in the Menu Screens 27

4.5

Text Entry 29

5.

GETTING STARTED 30

6.

SYSTEM SETTINGS 31

6.1

Turning Off the Radio 31

6.1.1

Forcing a Shut Down 32

7.

CONFIGURING THE RADIO 33

7.1

Radio Configuration – Page 1 33

7.1.1

Show DGNA 34

7.1.2

Firmware Update 34

7.2

Radio Configuration – Page 2 35

7.2.1

Serving Cell Information 35

7.2.2

Neighbouring Cell Information 36

7.2.3

Network Selection 36

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7.2.4

GPS 37

7.2.5

Sending the Current Position 37

7.2.6

Cell Logging 38

7.2.7

GPS Satellites 38

7.2.8

Switching to Gateway or Repeater Mode 39

7.2.9

Man Overboard 39

7.3

Radio Configuration – Page 3 40

7.4

Radio Configuration – Page 4 41

7.4.1

Zeroizing 42

7.4.2

Toggling Radio Input Line 2 42

7.5

Radio Configuration – Page 5 42

7.5.1

Changing the Default Status Message Destination 43

7.5.2

Entry to the Sixth Radio Configuration Page 43

7.6

Radio Configuration – Page 6 44

8.

CONFIGURING THE CDU 45

8.1

CDU Configuration – Page 1 45

8.1.1

The Screen Brightness 46

8.2

Statistics 48

8.3

CDU Configuration – Page 2 49

8.3.1

Keypad Test 49

8.3.2

Clock Screen 50

8.4

CDU Configuration – Page 3 50

8.4.1

CDU Firmware Update 51

8.4.2

File List Access 51

8.4.3

The File List 52

9.

TALKGROUPs 53

9.1

Presentation of TalkGroups by the CDU 53

9.1.1

The CDU Master List 54

9.1.2

The Picklists 54

9.1.3

TalkGroup Details in the Information Line 55

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9.2

Changing TalkGroup 55

9.2.1

Selecting from the Picklists 56

9.2.2

Selecting from the CDU Master List 57

9.2.3

Selecting from the TalkGroup Folders 59

9.3

Picklist Management 59

9.3.1

Adding a TalkGroup 60

9.3.2

Moving a TalkGroup 60

9.3.3

Removing a TalkGroup 61

10.

SWITCHING TO GATEWAY AND REPEATER MODES 62

10.1

Switching to Gateway Mode 62

10.2

Switching to Repeater Mode 63

11.

EMERGENCY MODE 65

11.1

Making an Emergency Priority Group Call 66

11.2

Cancelling the Emergency Call 66

11.3

Receiving an Emergency Call 66

12.

GROUP CALLS (POINT-TO-MULTIPOINT) 67

12.1

Making a Group Call 67

12.2

Setting the Transmit Demand Priority 68

12.3

Hanging up the Call 69

12.4

Receiving a Group Call 70

12.5

Receiving a Broadcast Call 70

12.6

Changing TalkGroups While Engaged in an Active Group Call 70

13.

PHONE MODE 71

13.1

Telephone Network Calls 71

13.1.1

Manual Entry 72

13.1.2

Initiating the Call 73

13.1.3

Receiving an Incoming Phone Call 75

13.1.4

Missed Calls 76

13.2

Point to Point Calls 77

13.2.1

Making a Point to Point Call 77

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13.2.2

Receiving an Incoming Point to Point Call 80

13.2.3

Missed Calls 81

14.

MESSAGES 82

14.1.1 Notification of Incoming New Messages 83

14.2

Accessing the Messaging Function 83

14.3

Status Messages 83

14.3.1

Time-Stamped Status Messages 84

14.3.2

Sending a Status Message 84

14.3.3

Reading a Status Message 86

14.3.4

Deleting Status Messages 87

14.4

Accessing Text Messaging 87

14.4.1

Reading an SDS Message 88

14.4.2

Deleting SDS Messages 89

14.5

Sending an SDS Message 89

14.5.1

Delivery and Read Reports 90

14.5.2

Store and Forward 90

14.5.3

Creating an SDS Message 91

14.5.4

Specifying the Destination and Sending the Message 92

15.

TALKGROUP SCANNING 94

15.1

Switching Scanning On/Off 94

15.2

Setting up TalkGroup Scanning 95

16.

DGNA 96

17.

END TO END ENCRYPTION 97

17.1

Secure Communications 97

17.2

Using an End to End Encrypted Radio in Clear Mode 97

17.3

Deleting Encryption Keys 98

18.

DATA 99

18.1

Packet Data 99

18.2

Circuit Mode Data 99

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19.

ADDITIONAL FEATURES 100

19.1

The Phone Book 100

19.1.1

Selecting a Number from the Phone Book 100

19.1.2

Updating the Phone Book 101

19.2

Call History 102

19.3

Telephone History 103

19.4

In Call Navigation 103

19.5

Programmable HotKeys 104

19.5.1

Viewing the List of Tasks 105

19.5.2

To Activate a Task 105

19.5.3

To Cancel the Activation 105

19.5.4

To Adjust the Volume 105

19.6

Audible Alerts 106

20.

BOS Radios 107

20.1

The Display Screens on a BOS TETRA System 107

20.1.1

DUAL Screen Display 107

20.1.2

FULL Screen Display 107

20.2

TalkGroups and Control Centres 108

20.3

Status Reporting 108

20.3.1

Automatic Status Reports 108

20.3.2

Manual Status Reports 109

20.4

Selecting an Alternative E-EZ 110

20.5

The BOS Radio Encryption Parameters 110

21.

GLOSSARY 112

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1.

GENERAL

The CH150-14 TETRA Single Head Controller is a Control and Display Unit (CDU)

that is designed to control digital TETRA transceivers type 7-450-14-XX or 7-450-

15-XX. The unit offers a graphical display, an alphanumeric keypad and various

function or menu keys. It features a programming connector, a light sensor, and

an LED on the faceplate.

The CH150-14 is suitable for NVIS operations.

The TETRA radios are based on SEPURA SRG3900 Series transceivers and must be

setup to operate on the appropriate networks and utilize, where available, specific

ground transmitters with an installed aero capability.

It is assumed that the user will be fully conversant with the use of a TETRA

system, the system specific names, titles, abbreviations and descriptions.

1.1

INTRODUCTION

The CDU displays text or graphics on its colour screen with a viewable area of

approximately 285 x 240 pixels (approximately 52 x 69 mm). Four menu keys

allow quick access to vital menu items.

The “M” key not only powers the unit on and off, but it also allows the user to

return directly to the top-level (or DUAL) screen at any time, from anywhere

within the menu structure.

The emergency key “EMG” invokes the TETRA emergency mode.

“Up”, “Down” and “Enter” keys allow simple navigation and selection of list items.

In particular, from the DUAL screen, the “Up” and “Down” keys allow the user to

enter the FULL screen for either of the connected radios.

A high intensity backlight source allows readability of the display in all conditions.

A front panel sensor adjusts the backlight intensity depending on the current

ambient light level. A manual override function is provided. For night operation,

the keys are backlit, (NVIS compatible, green), with the glow intensity being

controlled by the aircraft’s light bus rail.

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A green LED on the faceplate is normally used to indicate a progressing boot

sequence (during which no information will be displayed on the screen). The CDU

will power up on application of power. A programming connector (LEMO) allows

access to the internal computer of the CH150-14 CDU for the upload of firmware

or reconfiguration of the transceiver.

The FULL screen displays the status data of the connected radio equipment with

assigned SoftKey functions, details of which are shown in this Operational Manual.

1.2

Radio Manager

The inbuilt Sepura radios must be fully configured for the local networks using

parameters specific to the operating authority. This will normally be undertaken

by the Network Management Operations Team that supports the authority. Team

members must be fully conversant with the Sepura Radio Manager Software and

the local TETRA network operating procedures.

1.2.1

Subscriber Class

This system parameter is key to the successful operation of an airborne TETRA

radio.

When an air terminal loses air cell coverage, it is allowed to use the ground cells,

but it will return to an air cell as soon as possible. This is achieved by

broadcasting air to ground subscriber class support (either one of the “highly

preferred subscriber classes (HPSC)”). If ground terminals are not allowed to use

air cells, then they will not have a matching subscriber class profile.

The airborne radios and the base stations that serve them should use the Highly

Preferred Subscriber Class 1 or 2. This will ensure that if a base station serving

airborne radios can be seen, it will be used.

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2.

MODES OF OPERATION AND CALL TYPES

The CH150 supports standard modes and call types as listed below. The TETRA

user should familiarise themselves with those available on their network and their

appropriate operation.

2.1

Modes

The CH150 is capable of operating in any of the seven modes listed below. The

user should be familiar with each of these modes of operation.

• Trunked Mode

• Direct Mode

• Direct Mode as a Repeater

• Via Direct Mode Repeater

• Via Direct Mode Gateway

• TalkGroup Locked by SwMi

• Direct Mode Gateway

2.1.1

Trunked Mode

The CDU can be used to set the radio to communicate directly with other TETRA

radio terminals across a network. This is called Trunked Mode Operation (TMO).

TMO is entered when the user selects a TMO TalkGroup from the TalkGroup Index

programmed into the radio (by Radio Manager). The TalkGroup is selected using

the Picklists set up in the CDU; see section 9. Group calls are described in

section 12.

In addition, the CDU can place the radio into phone mode for person to person

calls across the PSTN/PABX and Point to Point (or Private) calls. Phone mode

operation is described in section 13.

For further clarity, Trunked Mode TalkGroup name tags will be indicated in white.

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2.1.2

Direct Mode

The CDU can be used to set the radio to communicate directly with other TETRA

radios without the use of a network. This is called Direct Mode Operation (DMO).

DMO is entered when the user selects a DMO TalkGroup from the TalkGroup

Index programmed into the radio (by Radio Manager). The TalkGroup is selected

using the Picklists set up in the CDU; see section 9. Group calls are described in

section 12.

Note 1: To ensure that DMO is available the radio MUST be programmed with

at least one DMO TalkGroup.

Note 2: Switching to Direct Mode Operation means that communication with

the dispatcher and other users on the network is not possible, unless

they also switch to DMO and select the same group, or communicate

through a Direct Mode Gateway.

Depending on naming conventions adopted, the TalkGroup may or may not

indicate the DMO status.

For further clarity, Direct Mode TalkGroup name tags will be indicated in yellow.

2.1.3

Direct Mode Gateway Operation

Direct Mode Gateway operation (or Gateway mode) is a licensed feature

The radio installed with the CH150-14 is equipped with the gateway capabilities.

However, the system does not initially have Gateway mode enabled. Switching to

Gateway mode is described in section 10.1.

A Direct Mode Gateway will link terminals operating in DMO with users operating

on a TMO network. The Gateway will re-transmit information received on the

Direct Mode Interface to the Trunked Mode Air Interface.

To use the terminal as a Gateway, it must be attached to both a Trunked Mode

group and a Direct Mode group. The Direct Mode group must be selected once

the terminal has been set up to work in Gateway mode.

The CH150-14 is fully capable of operating in DMO and as a Gateway to allow

access to the network.

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During operation as a Gateway the radio cannot take part in the calls that are

being relayed through it.

Note: If Gateway mode is enabled it provides a link between connected radios

but does not allow communications facilities to the aircraft crew.

2.1.4

Repeater Mode

Direct Mode Repeater operation (or Repeater mode) is a licensed feature.

If required, DMO range can be extended by using a repeater.

A terminal acting as a Repeater provides a service to other terminal users.

It extends the range and enhances the reliability of Direct Mode communication

compared with basic direct communications between terminals.

The black circle shows the DMO range of the Repeater. It is in range of terminal

A so can forward any communication from A to other terminals in the DMO

TalkGroup which are also in range of the Repeater (terminal B and C in the above

diagram) but out of range of each other.

DMO Range of

B

Repeater

DMO Range of

A

DMO Range

of

Repeater

DMO Range of

C

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2.2

Call Types

2.2.1

Voice Calls

Group

A half duplex point to multi-point call where immediate

communication can take place between the calling and the

called users without the alerting process and without an

explicit response from the called party that he has answered.

Each user needs permission to transmit for each transaction.

Group calls are described in section 12.

Individual Half Duplex

A half duplex point to point call where immediate

communication can take place between the calling and the

called users without the alerting process and without an

explicit response from the called party that he has answered.

Each user needs permission to transmit for each transaction.

Individual Full Duplex

A full duplex Point-to-Point call (for example, a telephone call).

The user is alerted and can choose whether to accept or reject

the call.

Note: The audio switching circuitry on board the aircraft will

normally prevent the airborne user’s microphone from

being connected unless the PTT is being pressed.

PABX A call to a PABX user

PSTN A call to a user on a telephony network

Broadcast

A unidirectional point to multi-point mode of transmission.

Terminals can only receive this type of communication.

Emergency Calls

A high priority call, which pre-empts resources on the network

and other users. Emergency calls are described in section 11.

Note: Individual Calls on the TETRA network can also be referred to as Point to

Point calls or Private calls.

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2.2.2

Data Calls

Individual Full Duplex

Circuit Mode Data

Circuit Mode data calls have a very short transit delay and so

are suitable real-time services.

Status Message

A status message may have 65536 possible status values. Of

these, value 0 is defined to mean ‘Emergency,’ values 1 to

32767 are reserved, and values 32768 to 65535 are available

for network or user specific definition. The sending and

receiving of Status messages is described in section 14.

SDS (Short Data

Service) Message

A user defined text message that can be sent by individuals

and received by individuals and groups. The sending and

receiving of SDS messages is described in section 14.

Packet Data

TETRA packet data extends TETRA to act as an IP subnet.

This enables application programmers to build their

applications in a well-standardised environment.

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3.

POWERING UP/ DOWN THE SYSTEM

3.1

Powering Up

On application of the aircraft tactical radio DC bus by the pilot, the CDU and any

connected radios will automatically power up.

During the power-up process the GREEN LED (Light Emitting Diode) indicator

(at the top right hand side of the CDU) will illuminate until the unit initially

presents the Cobham splash screen, shortly followed by the DUAL screen

showing the installed radios.

Progress of the power-up procedure for each of the radios is reported on the

screen, as follows:

Stage Message Displayed Meaning

1 RADIO PRESENT

This is a result from the enquiry to see if the radio

(chassis) is connected (RTINST).

It is a hardware line and this result means that it has

been detected.

2 RADIO POWERED

The CDU has attempted to power up the radio, but the

radio may not yet have supply volts.

3 RADIO ON

The radio chassis has responded to say that it is on

and completed boot.

If any other message is presented, refer to section 3.4.

Tactical

Radio 1

(TAC1)

Green

LED

PWR ON

during boot up only

Tactical

Radio 2

(TAC2)

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Following a successful power-up, the TalkGroups to which the radios are currently

affiliated are presented.

ENTER key

Ambient Light

Sensor

Power

ON/OFF

Serial Data Port

(PEI / LEMO)

3.2

Radio Security

Note: Not available in Sepura software versions 10.5-001 to 10.5-005.

One or both of the radios may require PIN (Personal Identification Number)

activation on power up, either because PIN activation has been programmed into

the radio (via Radio Manager), or the radio is SIM enabled.

If this is the case, then following the Cobham splash screen, the CDU will present

the MASTER PIN screen requesting entry of a PIN (Master or SIM) for the

relevant radio. An appropriate prompt will appear in the Information Line.

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Enter the PIN and press the OK SoftKey to confirm.

If an invalid PIN is entered three times, the CDU will request entry of a valid PUK

(Personal Unblocking Key) code.

If both radios require PIN activation, the MASTER PIN screen will be redisplayed

requesting entry of the second radio’s PIN/PUK.

Max. No.

of Digits

Radio Master PIN 4

Radio Master PUK 8

SIM PIN 8

SIM PUK 8

If you fail to enter a PIN/PUK within a predefined period, the CDU will display the

“Radio not responding” message. You can switch off the radio at this point by

selecting the RADIO OFF SoftKey.

On completion of the authorisation procedure, the DUAL screen will be

redisplayed showing the current activity on the TalkGroups.

The radio (“2”, or TAC2, in this

case)

requiring PIN activation.

The colour (orange) indicates that

the radio is not yet on the

network.

Information Line indicates

that

TAC2 is SIM enabled

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COBHAM СН150-14 Operational Manual

COBHAM СН150-14 Operational Manual

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