Bosch Plena LBB 1970 User Manual Download

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Plena BGM/Paging System

Installation and Operating Manual

LBB 1970

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Summary of Contents for Plena LBB 1970

Page 1: ...Plena BGM Paging System Installation and Operating Manual LBB 1970 en ...

Page 2: ...e 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 electrici...

Page 3: ...ty 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 u...

Page 4: ...12 4 1 Connect antennas 12 4 2 Priority VOX activated microphone 13 4 3 Microphones 2 and 3 auxiliary inputs and tape output 14 4 4 Loudspeakers 14 4 5 Mains connection 16 5 Operation 17 5 1 Operation of mixer amplifier 17 5 1 1 Source selection 17 5 1 2 Volume and tone control 17 5 1 3 Zone selection 17 5 2 Operation of tuner 17 5 2 1 Station selection 17 5 2 2 Programming 18 5 3 Operation of CD ...

Page 5: ...Plena BGM Paging System Installation and User Instructions Table of Contents en 6 Bosch Security Systems 2003 09 3922 988 25012en ...

Page 6: ...xer amplifier and mixed with priority or 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 About the equipment 1 Priority Control Tone 115 230V F1 F2 B 2 3 Aux Phantom power Ducking S101 Vox S401 1 S401 3 Chime Chime Mic 1 Mic 2 Mic 3 Music O 15L T2 5L25...

Page 7: ...peat key 5 CD previous key 6 CD pause play key 7 CD display 8 CD next key 9 CD stop eject key 10 Tuner memory keys 1 5 and 6 10 11 Tuner display 12 Tuner frequency up down keys 13 Tuner FM AM selection key 14 Tuner scan key 15 Tuner program key 16 Tuner shift key to select memory 1 5 or 6 10 17 Microphone 1 priority active LED 18 Output attenuator for zone 2 19 Zone 2 selection button 20 Output at...

Page 8: ...5 pin DIN connector 14 Ducking level control 15 Chime level control 16 Configuration switches 1 7 Cal l Only Cal l Active Zon e 1Call BGM Zon e 2Call BGM 100V 0 100V 0 100V 0 0 8 0 8 Switch 1 2 3 4 5 6 7 Off 0 Mix Mix Chim e off Speec h filter Phanto moff Phanto moff Phanto moff Mic 1rear 1front 1rear 1 1rear 2 3 On 1 Priority Vox Chim e active Flat Phanto mon Phanto mon Phanto mon ASIA USA EUROPE...

Page 9: ...lume of the chime 4 Flat Speech filter 1 Selects a flat frequency response for microphone 1 or activates a speech filter that improves intelligibility by attenuating the low frequencies 5 Phantom on Phantom off 1 rear Switches the phantom power supply for microphone 1 DIN connection only Phantom power should be switched on for condenser or electret microphones e g LBB 1950 and switched off for dyn...

Page 10: ...ace of at least 10 cm on both sides of and above the unit to ensure proper ventilation The unit has a built in fan that will switch on when the temperature inside the unit rises 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 Repe a...

Page 11: ...FM Antenna Chim e Ducking 1 2 3 45 67 2 1 GND 3 1 4 3 5 1 2 115V 230V Appa ratus delivered connected for 230V This appara tus must be earthe d Rated input power 400VA Line fuse T2 5L250V 230V T5L250V 115V LBB 1970 00 8900 197 00001 151 2 03V 50 60 HZ max O utput powe r 180W Rated ouput powe r 120W WK S N 3 3 5 4 1 2 Switc h 1 2 3 4 5 6 7 Off 0 Mix Mix Chim e off Spee c h filter Phan to moff Phan t...

Page 12: ...have phantom power for electret or condenser microphones so a dynamic microphone must be used A chime is not available in this mode but you can select the speech filter via configuration switch 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 External settings and connections Repeat Program Folder M...

Page 13: ...67 2 1 GND 3 1 4 3 5 1 2 115V 230V Apparat us delivere d connect ed for 230V This apparatus must be earthed Rated input power 400VA Line fuse T2 5L25 0V 230V T5L250V 115V LBB 1970 00 8900 197 00001 151 203V 50 60HZ max Outp ut power 180W Rated ouput power 120W WK S N 3 3 5 4 1 2 V 0 0 8 Aux In 3 TAPE 115 230V F1 F2 B 15L T2 5L250V 230V T5L250V 115V LED 100V 70V 50V 35V 25V 18V VU 8Ohm 8Ohm 8Ohm Ca...

Page 14: ...rophone 1 to the Call Only 100 V 0 terminals For this the priority mode must be enabled see 4 2 The Call Active terminals provide voltage free relay contacts This contact is closed as long as a priority call is active This contact may be used for overriding remote volume controls or other purposes It is switched together with the Call Only loudspeaker zone Note Ensure that the loudspeakers are wir...

Page 15: ...20W WK S N This apparatus must be earthed Warning Switch 1 2 3 4 5 6 7 Off 0 Mix Mix Chim e off Speec h filter Phanto moff Phanto moff Phanto moff Mic 1rear 1front 1rear 1 1rear 2 3 On 1 Priority Vox Chim e active Flat Phanto mon Phanto mon Phanto mon 100 V 0 100 V 0 100 V 0 0 8 0 8 Cal l Only Zon e 1Call B GM Zon e 2Call B GM Cal l Active Warning Aux In ASIA USA EURO PE FM Anten na Chime Duckin g...

Page 16: ... affect the microphones as well as the music 5 1 3 Zone selection Use the output attenuators 20 and 18 to balance the sound level in zones 1 and 2 respectively Use the zone selection buttons 21 and 19 to switch a zone on or off The priority microphone active LED 17 indicates that a priority call is active Such a priority call overrides the zone selection and attenuation settings A priority call ad...

Page 17: ...ect key 9 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 5 and or the CD next key 8 The display shows FOLDER during this process Pressing the CD MP3 folder selection key once more resumes the track selection mode in the ...

Page 18: ... this process until the playlist is finished Finally press the CD pause play key 6 to start playback of the playlist 5 4 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 t...

Page 19: ... flat at min volume muted 75 dB Headroom 25 dB Speech filter 3 dB 315 Hz high pass 6 dB oct Phantom power supply on 5 pin DIN only 12 V VOX on 6 3 mm phone jack trigger level 0 4 mV attack time 200 ms release time 2 s ducking level adjustable Input 2 and 3 3 pin XLR balanced with phantom power Sensitivity 1 mV Impedance 1 kOhm S N flat at max volume 63 dB S N flat at min volume muted 75 dB Headroo...

Page 20: ...MP3 99 tracks audio CD 6 6 Outputs Tape output Cinch 2x mono Nominal level 350 mV Impedance 1 kOhm Loudspeaker outputs 100 V outputs 120 W rated all zones together Zone output attenuation taps 100 70 50 35 25 18 V for 0 3 6 9 12 15 dB 8 Ohm outputs 18 V 40 W rated per zone Call active relay Contacts voltage free max 100 V 2 A 6 7 Environmental conditions Operating temperature range 5 to 45 C Stora...

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 ...

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