Bogen M450, BOGEN M300, M600 manual Applications, Mode of Operation 70V Mono

Applications

Application Examples

Application 1: Simple 1-Zone, 70V Mono telephone paging system with background music

Background music plays through the system when no page is being made. During a telephone page, the background music mutes to a predetermined level and the telephone page is heard.When the page is complete, the background music fades back to its previous level.

Mode of Operation: 70V Mono

Amplifier Adjustments: Volume of the telephone page is adjusted by the "A" Level Control, background music level is adjusted by the "B" Level Control. Set the Lo-Cut switch to 65 Hz.

Module Adjustments:Adjust Gain to make each source’s input level similar.Adjust Bass & Treble (where applicable) to your preference. Adjust ducking control on MAX1R for desired level. Adjust Gate controls of TEL1S for optimum paging control.

Application 2: Stereo low-impedance music system with microphone override

Stereo program material plays into low-impedance speakers. When the microphone becomes active, the stereo music is muted to a predetermined level and the microphone is easily heard.When the microphone signal stops, the music fades back to its previous level.

Mode of Operation: Stereo

Amplifier Adjustments: Stereo music program wired to BAL2S inputs. Each stereo channel volume is controlled by the associated front level control. Microphone level is also affected by changes in these level controls, but is to be main- ly set by the Gain control on the MIC1X module. Not applicable in stereo mode.

Module Adjustments:Adjust Gain of MIC1X to desired paging level. Adjust Bass & Treble of MIC1X module to appro- priate level. Adjust Gate controls of MIC1X for optimum paging control. Adjust ducking control on BAL2S for desired mute level.

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