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Related Manuals for Bosch Plena LBB 1970
Summary of Contents for Bosch Plena LBB 1970
- Page 1 Plena BGM/Paging System Installation and Operating Manual LBB 1970...
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Page 2: Important Safeguards
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. Bosch Security Systems | 2003-09 | 3922 988 25012en... -
Page 3: About This Manual
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 25012en... -
Page 4: Table Of Contents
Track selection ..............................18 5.3.2 Programming ..............................19 Creation of MP3 CD-R's ............................19 6 Technical data ..................................20 Electrical ..................................20 Performance ................................20 Inputs ..................................20 Tuner ..................................20 CD-player ................................21 Outputs ..................................21 Environmental conditions ............................21 General ..................................21 Bosch Security Systems | 2003-09 | 3922 988 25012en... - Page 5 Plena BGM/Paging System | Installation and User Instructions | Table of Contents en | 6 Bosch Security Systems | 2003-09 | 3922 988 25012en...
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Page 6: About The Equipment
VOX switching available for the main microphone. The output signal can be switched to two different zones with individual attenuation control. A third zone receives only priority calls and no music. Bosch Security Systems | 2003-09 | 3922 988 25012en... -
Page 7: Controls And Connections (Front)
29 Microphone 1 input (6.3 mm phone jack socket/ 14 Tuner scan key balanced) 15 Tuner program key 30 Microphone 1 volume control 16 Tuner shift key to select memory 1-5 or 6-10 31 Power on/off Bosch Security Systems | 2003-09 | 3922 988 25012en... -
Page 8: Controls & Connections (Rear)
5 Mains voltage selection 13 Microphone 1 input (for 5-pin DIN-connector) 6 Mains connection 14 Ducking level control 7 Mains fuse 15 Chime level control 8 Earth connection screw 16 Configuration switches (1-7) Bosch Security Systems | 2003-09 | 3922 988 25012en... -
Page 9: Internal Settings With The Help Of The Configuration Switches
LBB 1950) and switched off for dynamic microphones. Phantom on Phantom off Switches the phantom power supply for microphone 2. Phantom on Phantom off Switches the phantom power supply for microphone 3. Bosch Security Systems | 2003-09 | 3922 988 25012en... -
Page 10: Installation
Do not put any other equipment directly on top of this unit. The ambient temperature should not exceed 45 °C. Mounting of the unit in 19”-racks is not recommended as often the temperature in these racks will exceed 45 °C. Bosch Security Systems | 2003-09 | 3922 988 25012en... -
Page 11: External Settings And Connections
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. Bosch Security Systems | 2003-09 | 3922 988 25012en... -
Page 12: Priority/Vox Activated Microphone
4. When no priority or VOX mode has been selected, microphone 1 will just mix with the background music or the other microphones to the selected zones. Bosch Security Systems | 2003-09 | 3922 988 25012en... -
Page 13: Microphones 2 And 3, Auxiliary Inputs And Tape Output
8Ω 100V 8Ω Call/music 8Ohm 8Ohm Zone 2 115/230V Call active T2.5L250V(230V~) 100V T5L250V(115V~) Zone 1 Zone 2 Call active Zone Call Only Zone 1 Zone 2 Figure 4.4 Figure 4.5 Bosch Security Systems | 2003-09 | 3922 988 25012en... - Page 14 It is not recommended to use both low impedance loudspeakers and 100 V-loudspeakers simultaneously. Multiple low impedance loudspeakers should be connected in series or parallel so that the total impedance is more than 8 Ohm. Bosch Security Systems | 2003-09 | 3922 988 25012en...
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Page 15: Mains Connection
Use the supplied mains cord to connect the system to the mains supply. Note If necessary set the switch 115/230 V to the required voltage using a sharp object, e.g. a small screwdriver. Bosch Security Systems | 2003-09 | 3922 988 25012en... -
Page 16: Operation
Use the tuner FM/AM selection key (13) 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. Bosch Security Systems | 2003-09 | 3922 988 25012en... -
Page 17: Programming
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'. Bosch Security Systems | 2003-09 | 3922 988 25012en... -
Page 18: Programming
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. Bosch Security Systems | 2003-09 | 3922 988 25012en... -
Page 19: Technical Data
6.4 Tuner Tuning range 87.5 - 108 MHz (EUROPE, 50 kHz) 87.5 - 108 MHz (ASIA/AMERICA, 100 kHz) 531 - 1602 kHz (EUROPE, 9 kHz) 530 - 1610 kHz (ASIA/AMERICA, 10 kHz) Bosch Security Systems | 2003-09 | 3922 988 25012en... -
Page 20: Cd-Player
Acoustic noise level of fan <35 dBSPL @ 1 m, temperature controlled Dimensions 144 x 430 x 320 mm (19” wide, 3U high) Weight approx. 11.6 kg Rack building not recommended Bosch Security Systems | 2003-09 | 3922 988 25012en... - Page 21 For more information visit www.boschsecuritysystems.com © Bosch Security Systems B.V. Data subject to change without notice 2003-09 | 3922 988 25012en...