Manual

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7-2. Sound Reduction Function
-ByusingtheCH4signallineinput,thesoundcanbereducedfrom0to-50dBduringplayback.
Referto15“8-1.OperationModes”.
- The sound reduction during message playback, when the sound reduction input is entered, is activated
within 500ms after the input.
• WiringExample
•BSV-24N (NPN Transistor Type)
DonotshortPower(+)totheCHline.Failuredotosowillresultindamagetotheproduct.
NPNTransistorCircuit
Non-voltageContactCircuit
* The power (-) shares the same common as the signal ground.
Power (+) White
Power
(-) Black
CH1 Sky Blue
CH2 Yellow
CH3 Peach
CH4>Sound
Reduction
Light Green
Fuse Fuse
Power (+)
Power (-)
CH1
CH2
CH3
CH4> Sound
Reduction
(COM)
(COM)