TM 11-5895-1141-12
2-2.
AUDIO UNIT ASSEMBLY
Key
Control or
Function
Indicator
1
FUSE 5A
Carries operating power. Normally dark, lights up if
fuse opens (burns out).
2
SPEAKER VOLUME
Increase or decrease loud-speaker volume.
control
3
POWER switch
Pushbutton actuated switch turns 24 vdc power to all
circuits on or off. A sliding guard adjacent to switch may be
slid in front of switch to prevent accidental operation.
4
Power Indicator
Goes on when power switch is on and power is present.
Lamp
5
HEADSET VOLUME
Increases or decreases headset volume.
Control
6
LAMP BRIGHTNESS
Increases or decreases brightness of status lamps and
control
also sets maximum brightness of the syllabic indicator
lamps.
2-1
