Inter-M PMU-240 - Manual (Page 6)

MIXING AMPLIFIER
4 PMU-60/120/240
Front Panel Front Panel
1. INPUT LEVEL CONTROL
Controls the level of each of the six input channels.
2. INPUT SIGNAL INDICATOR
These LEDs light green when input signal is present.
3. CHIME SWITCH
It activates the four tone chime circuitry. The chime indicator lights green when chime is on use.
4. TONE CONTROL
Controls the bass (100Hz) and treble (10KHz) tones of the main amplifier output.
5. PROTECTION MODE INDICATOR
Indicated that the amplifier is in failure protection mode.
6. MASTER VOLUME CONTROL
The master volume control to collectively control the sound level of all outputs and by turning the knob
clockwise to increase the volume and counterclockwise to decrease it.
7. POWER SWITCH
8. POWER INDICATOR
This LED Lights green when the unit is powered on.
* This terminal and switch is used on the advanced model PMU-60N/120N/240N.
It is not availiable for this product.