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MIXING AMPLIFIER
4PA-60A/120A/240A
Front Panel
Front Panel
1. INPUT VOLUME CONTROLLER
It is a controller to control the volume of INPUT 1 - 6. Use by controlling to desired volume.
Set the controllers of unused input terminals to minimum.
2. INPUT SIGNAL INDICATOR
If there is an input signal to INPUT 1 - 6, due input signal indicator lights up.
3. TONE CONTROLLER
It is a controller to control BASS (100Hz) and TREBLE (10kHz). Users can control to their desired tones.
4. MAIN VOLUME CONTROLLER
It is a controller to control the volumes of whole signals controlled by each input volume controller. When
turning clockwise, the volume increases.
5. CHIME SWITCH
It is a switch to sound 4-note scale of chime. While chiming, a chime indicator on the left side of the switch
lights up.
6. OUTPUT LEVEL INDICATOR
It is an indicator to indicate the level of the signal being printed. Output level is indicated with 3 - 4dB
interval.
7. SIREN ON/OFF SWITCH
It is a switch to turn ON/OFF the siren. When pressing once, the siren turns ON and when pressing once
again, it turns OFF. While the siren is operating, a siren indicator on the right side of the switch lights up.
8. POWER INDICATOR
It is an indicator to display the status of power. When the power switch is ON, the indicator turns on.
1 2 3 6 85 74
9 10 11 12
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