Plena BGM Source
Installation and Operating Manual
LBB 1961
en
Bosch Security Systems | 2003-09 | 3922 988 24912en
Plena BGM Source | Installation and Operating Manual | Important safeguards en | 3
Important safeguards
1 Read instructions - All the safety instructions for use
should be read before the system is operated.
2 Retain instructions - The safety instructions and
instructions for use should be retained for future
reference.
3 Heed warnings - All warnings on the unit and in the
operating instructions should be adhered to.
4 Follow instructions - All operating instructions and
instructions for use should be followed.
5 Cleaning - Unplug system units from the mains outlet
before cleaning. Do not use liquid cleaners or aerosol
cleaners. Use a damp cloth for cleaning.
6 Attachments - Do not use attachments not
recommended by the product manufacturer as they may
cause hazards.
7 Water and Moisture - Do not use this unit near water, for
example near a bathtub, washbowl, kitchen sink, or
laundry basket, in a wet basement, near a swimming
pool, in an unprotected outdoor installation or any area
which is classified as a wet location.
8 Accessories - Do not place this unit on an unstable stand,
tripod, bracket or mount. This unit may fall, causing
serious injury to a person and serious damage to the
unit. Use only a stand, tripod, bracket or mount
recommended by the manufacturer, or sold with the
product. Any mounting of the unit should follow the
manufacturer's instructions, and should use a mounting
accessory recommended by the manufacturer. An
appliance and cart combination should be moved with
care. Quick stops, excessive force, and uneven surfaces
may cause the appliance and cart combination to
overturn.
9 Ventilation - Openings in the enclosure, if any, are
provided for ventilation and to ensure reliable operation
of the unit and to protect it from overheating. These
openings must not be blocked or covered. The unit
should not be placed in a built-in installation unless
proper ventilation is provided or the manufacturer's
instructions have been adhered to.
10 Power sources - Units should be operated only from the
type of power source indicated on the marking label. If
you are not sure of the type of power supply you plan to
use, consult your appliance dealer or local power
company. For units intended to operate from battery
power, or other sources, refer to the "Installation and
User Instructions".
11 Grounding or polarisation - This unit may be equipped
with a polarised alternating current line plug (a plug
having one blade wider than the other). This plug will fit
into the power outlet only one way. This is a safety
feature. If you are unable to insert the plug fully into the
outlet, try reversing the plug. If the plug still fails to fit,
contact your electrician to replace your obsolete outlet.
Do not defeat the safety purpose of the polarised plug.
Alternatively, this unit may be equipped with a 3-wire
grounding type plug having a third (grounding) pin.
This plug will only fit into a grounding-type power
outlet. This is a safety feature. If you are unable to insert
the plug into the outlet, contact your electrician to
replace your obsolete outlet. Do not defeat the safety
purpose of the grounding-type lug.
12 Power-Cord Protection - Power supply cords should be
routed so that they are not likely to be walked on or
pinched by items placed upon or against them, paying
particular attention to cords and plugs, convenience
receptacles, and the point where they exit from the
appliance.
13 Overloading - Do not overload outlets and extension
cords as this can result in a risk of fire or electrical shock.
14 Object and Liquid Entry - Never push objects of any
kind into this unit through openings as they may touch
dangerous voltage points or short-out parts that could
result in a fire or electric shock. Never spill liquid of any
kind on the unit.
15 Servicing - Do not attempt to service this unit yourself as
opening or removing covers may expose to dangerous
voltage or other hazards. Refer all servicing to qualified
service personnel.
16 Damage Requiring Service - Unplug the unit from the
outlet and refer servicing to qualified service personnel
under the following conditions:
• When the power-supply cord or plug is damaged.
• If liquid has been spilled, or objects have fallen into
the unit.
• If the unit has been exposed to rain or water.
• If the unit does not operate normally by following
the instructions for use. Adjust only those controls
that are covered by the instructions for use, as an
improper adjustment of other controls may result in
damage and will often require extensive work by a
qualified technician to restore the units to their
normal operation.
• If the unit has been dropped or the unit has been
damaged.
• When the unit exhibits a distinct change in
performance; this indicates a need for service.
17 Replacement Parts - When replacement parts are
required be sure the service technician has used
replacement parts specified by the manufacturer or parts
which have the same characteristics as the original part.
Unauthorised substitutions may result in fire, electric
shock or other hazards.
18 Safety Check - Upon completion of any service or
repairs to the units, ask the service technician to perform
safety checks to determine that the unit is in proper
operating condition.
19 Lightning - For added protection of the units during a
lightning storm, or when it is left unattended and unused
for long periods of time, unplug it from the wall outlet
and disconnect the cable system. This will prevent
damage to the unit due to lightning and power-line
surges.
Bosch Security Systems | 2003-09 | 3922 988 24912en
Plena BGM Source | Installation and Operating Manual | About this manual en | 4
About this manual
This manual provides all the information required to install and operate the unit.
Conventions
Safety precautions
Warning
Follow these instructions to prevent personal injury.
Caution
Follow these instructions to prevent damage to the equipment.
Note
Read these instructions for tips and other useful information.
Warning
Do not open the unit when it is connected to the mains. The unit contains non-insulated parts, which can
cause electric shock.
Caution
There are no user-serviceable parts inside the unit. Service must be done by qualified personnel.
Bosch Security Systems | 2003-09 | 3922 988 24912en
Plena BGM Source | Installation and Operating Manual | Table of contents en | 5
Table of contents
Important safeguards..........................................................................................................................................................3
About this manual ..............................................................................................................................................................4
Safety precautions...............................................................................................................................................................4
Table of contents ................................................................................................................................................................5
1 About the equipment ........................................................................................................................................................7
1.1 Controls (front) ..........................................................................................................................................................8
1.2 Controls & connections (rear) ..................................................................................................................................8
2 Installation in rack .............................................................................................................................................................9
3 External settings and connections .................................................................................................................................10
3.1 Connect antennas ...................................................................................................................................................10
3.2 Connect to an amplifier .........................................................................................................................................10
4 Operation .........................................................................................................................................................................11
4.1 Operation of tuner ..................................................................................................................................................11
4.1.1 Station selection .................................................................................................................................................11
4.1.2 Programming ......................................................................................................................................................11
4.2 Operation of CD-player .........................................................................................................................................11
4.2.1 Track selection ...................................................................................................................................................11
4.2.2 Programming ......................................................................................................................................................12
4.3 Creation of MP3 CD-R’s ........................................................................................................................................12
5 Technical data ..................................................................................................................................................................13
5.1 Electrical ..................................................................................................................................................................13
5.2 Tuner ........................................................................................................................................................................13
5.3 CD-player ................................................................................................................................................................13
5.4 Outputs .....................................................................................................................................................................13
5.5 Environmental conditions ......................................................................................................................................13
5.6 General .....................................................................................................................................................................14
Plena BGM Source | Installation and Operating Manual | Table of Contents en | 6
Bosch Security Systems | 2003-09 | 3922 988 24912en
Bosch Security Systems | 2003-09 | 3922 988 24912en
Plena BGM Source | Installation and Operating Manual | en | 7
1 About the equipment
Figure 1.1
The Plena BGM Source unit can be used to add background music to a Plena system. It has a CD-player that can
play normal audio-CD’s as well as MP3-encoded CD’s and a digitally controlled AM/FM-tuner for accurate capture
of radio stations. Simultaneous operation of the CD-player and the tuner is possible to allow for two-channel music
distribution. The unit has separate outputs for the CD-player and the tuner and also a combined output for
connection to a system without music selector. This output provides the tuner signal as long as the CD-player is not
playing. All outputs are mono.
115/23
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pad
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About the equipment
Bosch Security Systems | 2003-09 | 3922 988 24912en
Plena BGM Source | Installation and Operating Manual | en | 8
1.1 Controls (front)
Figure 1.2
1.2 Controls & connections (rear)
Figure 1.3
Repeat
Program
Folder
M1/6 M2/7 M3/8 M4/9 M5/10 Shift Program
Scan
FM/AM
Power
CD/MP3
1 2
1416 1215 13
3 4 5 6 8 9
10
11
7
Plena BGM Source
1 Power on/off
2 CD MP3 folder selection key
3 CD previous key
4 CD pause/play key
5 CD next key
6 CD stop/eject key
7 Tuner memory keys 1-5 and 6-10
8 Tuner shift key to select memory 1-5 or 6-10
9 Tuner program key
10 Tuner scan key
11 Tuner FM/AM selection key
12 Tuner frequency up/down keys
13 Tuner display
14 CD display
15 CD repeat key
16 CD program key for track selection
1 Region selection (ASIA/USA or EUROPE)
2 FM antenna input
3 AM antenna input
4 Tuner output level
5 Tuner output (mono)
6 Tuner or CD output (mono)
7 CD output (mono)
8 CD output level
9 Earth connection screw
10 Mains fuse
11 Mains connection
12 Mains voltage selection
CLASS 1LAS ER PRODUCT
PRODUIT LAS E R CLA S S E 1
LASE R KLA S S E 1 PRODU KT
IEC 60825-1
DANG ER: INVIS IB LE LA S ER RADIA T ION W H E N OP E N.
AVOIDDIRECT EX POSUR E TO BEA M.
DANG ER: RADIAT IONS INVIS IBLE S DU LA S ER EN CA S D'OUVE RTU RE.
EVITER TOUT EXPOSITIONDIRECTE AU FAISCEAU.
VORSICHT:UNSICHTBARE LASERS TRAHLUNG,WENN ABDECKUNG
GE-FFNET.NICHTDEMSTRAHL AUSSETZEN.
Rated Input
Power : 25VA
T0.5L250V
Antenna
FM AM
CD
Tuner/CD
Tuner
1 2 3
798
12
11
10
4 5 6
About the equipment
Bosch Security Systems | 2003-09 | 3922 988 24912en
Plena BGM Source | Installation and Operating Manual | en | 9
2 Installation in rack
Figure 2.1
Carefully peel off the protective plastic film on both displays. Do not use sharp or pointed objects in order to avoid
scratches. Use you fingernails instead.
The BGM Source is delivered for tabletop use, but you can mount it in a 19" rack. If you mount the unit in a rack,
you must:
• use the mounting brackets delivered with the unit.
• remove the 4 feet from the bottom of the unit. (Without the feet the unit is 2U high.)
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GM Sourc
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Installation in rack
Bosch Security Systems | 2003-09 | 3922 988 24912en
Plena BGM Source | Installation and Operating Manual | en | 10
3 External settings and connections
3.1 Connect antennas
Figure 3.1
The FM input must be connected to an antenna or cable network with a COAX cable of 75 Ohm. A connector for
the FM input is provided with the unit. The AM input can be connected to the loop-antenna delivered with the unit.
3.2 Connect to an amplifier
Figure 3.2
The outputs of the BGM source unit can be connected to a Plena Pre-amplifier or Mixer Amplifier. A stereo cinch/
cinch-cable is packed with the unit. As the BGM source unit and the Plena amplifiers are mono, this single cable can
be used to connect both the CD-player and the tuner together to the amplifier, using only one connection of the
stereo pair. The combined CD-player/tuner output can be used for amplifiers without music source selector, e.g. the
Plena Universal Pre-amplifier LBB1920.
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External settings and connections
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4Operation
4.1 Operation of tuner
Figure 4.1
4.1.1 Station selection
• Use the tuner FM/AM selection key (11) to choose between FM and AM reception.
• Use the tuner frequency up/down keys (12) to step up or down in frequency. Prolonged pressing makes the tuner
search for the next station.
4.1.2 Programming
• Save the selected radio station as a preset by pressing the tuner program key (9).
• Press the tuner memory keys M1/6 to M5/10 (7) for memory position 1 to 5, or
• Press the tuner program key (9), the tuner shift key (8) and the tuner memory keys M1/6 to M5/10 (7) for
memory position 6 to 10. The tuner display (13) shows ‘MEMORY’ during this process. Both for AM and FM, 10
presets are available.
Saved presets are selected by pressing the tuner memory keys M1/6 to M5/10 (7) or by pressing the tuner shift key
(8) followed by M1/6 to M5/10. For easy selection, pressing the tuner scan key (10) monitors the presets by selecting
all 10 presets sequentially for 5 seconds.
4.2 Operation of CD-player
4.2.1 Track selection
Note
After inserting a new CD, the CD-player detects the type of CD and shows it on the CD display (14): ‘CD’ for an
audio-CD or ‘MP3’ for a disc containing MP3-files. Note that loading of MP3-CD’s may take longer, depending
on the number of tracks and subdirectories, as an internal table of contents is made. The MP3-files in the root
directory and in the subdirectories are all put in separate folders for easy track selection. The folder number is
indicated on the display, followed by the track number and the time.
Repeat
Program
Folder
M1/6 M2/7 M3/8 M4/9 M5/10 Shift Program
Scan
FM/AM
Power
CD/MP3
1 2
1416 1215 13
3 4 5 6 8 9
10
11
7
Plena BGM Source
Operation
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Plena BGM Source | Installation and Operating Manual | en | 12
For track selection on audio-CD’s proceed as follows:
• Use the CD previous key (3) and/or the CD next key (5) to select the track. Prolonged pressing results in fast
reverse or fast forward.
• Use the CD pause/play key (4) to pause or to play (resume playing).
• Use the CD stop/eject key (6) to stop playing (press once) and/or to eject the CD (press twice).
For track selection on MP3-CD’s first select the folder that contains the track. Proceed as follows:
• Press the CD MP3 folder selection key (2)
• Press the CD previous key (3) and/or the CD next key (5).
The display shows ‘FOLDER’ during this process. Pressing the CD MP3 folder selection key once more resumes
the track selection mode in the selected folder.
By repeatedly pressing the CD repeat key (15) you select the following modes:
- Playing all tracks (MP3: in all folders) and stop.
- Repeating the current track. The display shows ‘1’.
- Repeating all MP3-tracks within the current folder. The display shows ‘ ’.
- Repeating all tracks (MP3: in all folders). The display shows ‘ ’.
- Random playing of tracks (MP3: in all folders). The display shows ‘RANDOM’.
If a MP3-CD is stopped and loaded again, the player will resume playing where it was stopped. In this way it is
avoided that only the first part of a very long MP3-CD is played over and over again each day. If, however, an
audio-CD is stopped and loaded again, it just starts with track 1.
4.2.2Programming
To program a playlist selection:
• Press the CD program key (16).
• Select a track by pressing the CD previous key (3) and/or the CD next key (5). In the case of a MP3-CD folder
selection is possible, as described above.
• Press the CD repeat key (15) to store the first track and step to the next track of the playlist, open for selection.
• Repeat this process until the playlist is finished.
• Finally press the CD pause/play key (4) to start playback of the playlist.
4.3 Creation of MP3 CD-R’s
You can make your own MP3 CD-R’s (CD-ROM’s) on a normal PC with a CD-burner. Numerous programs for this
purpose are available as freeware or shareware. Some websites to download from are: www.mp3.com
,
www.download.com, www.shareware.com and www.zdnet.com.
Search there, or in a general search program as www.google.com
, for ‘CD-ripper’. You can collect your MP3-files in
different subdirectories or folders on your PC and transfer these files to the CD-R. Always use the file name
extension .mp3. Constant MP3-bit rates (CBR) of 32 – 320 kbps are supported, as well as variable bit rate (VBR)
files.
Note
As the reflectivity of a CD-RW (CD-Rewritable) is far below that of a CD and a CD-R, playback of CD-RW’s
is not guaranteed. On the CD-R the ISO-9660 file system should be used. Do not use the UDF file system.
U
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Operation
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5 Technical data
5.1 Electrical
Mains voltage 230/115 Vac, (± 15%, 50/60 Hz)
Max mains power consumption 25 VA
5.2 Tuner
Tuning range
FM 87.5 - 108 MHz (EUROPE, 50 kHz)
87.5 - 108 MHz (ASIA/AMERICA, 100 kHz)
AM 531 - 1602 kHz (EUROPE, 9 kHz)
530 - 1610 kHz (ASIA/AMERICA, 10 kHz)
Sensitivity
FM 2 µV (26 dB S/N)
AM 30 µV (20 dB S/N)
Performance
Frequency response 30 Hz - 15 kHz (+1/-3 dB, FM)
Distortion <1%
S/N >63 dB (1 mV, FM)
5.3 CD-player
Audio CD
Frequency response 20 Hz - 20 kHz (+1/-3 dB)
Distortion <0.1%
S/N >80 dB
MP3 CD/CD-R/CD-RW
Supported bit rates CBR 32 kbps - 320 kbps and VBR, mono and stereo
General
Data buffer (shock protection) 8 MByte
Lifetime >10.000 CD play cycles
Memory for track selection 999 tracks (MP 3), 99 tracks (audio-CD)
5.4 Outputs
Tuner output (Cinch, 2x mono)
Nominal level 200 mV
CD player output (Cinch, 2x mono)
Nominal level 500 mV
Mixed output (Cinch, 2x mono)
Nominal level 200 mV
5.5 Environmental conditions
Operating temperature range +5 to +55 °C
Storage temperature range -25 to +55 °C
Relative humidity <95%
Te ch ni c al d at a
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5.6 General
EMC emission acc. to EN 55103-1
EMC immunity acc. to EN 55103-2
Safety acc. to EN 60065
Dimensions 100 x 430 x 270 mm (19" wide, 2U high)
Weight approx. 4.6 kg
Te ch ni c al d at a
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