Air Comm Systems ACS 2080-300 NVG Bedienings- en installatiehandleiding - Pagina 6

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ACS 2080-300 Operations and Installation Manual
Front Panel Controls
( See Figure 1 — Page 8 for pictorial )
Description
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The ACS 2080-300 Single Audio Mixer Panel is a compact, lightweight unit which provides full audio control
and ICS for a single position in the aircraft. It has the capability to provide its user with 8 independent receive
audio selections which have a front panel adjustable volume level, up to 6 transmitter selections, full
headphone audio and ICS volume control, and three ICS modes: PTT, PVT, and VOX.
1- Norm - Emer Switch
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This switch controls the operation of the audio panel in the event of an audio amplifier failure. In the "up"
position (NORM) the audio panel is in normal operating mode. In the "down" position (EMER) all audios are
summed and then fed directly to the headphones. This enables the use of the transmitters and other
equipment during audio amplifier failure.
2 - QUICK ADJUST Adjustable Receive Audio Volume-On/Off Pots
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Any receive audio can be selected and muted using innovative new QUICK ADJUST volume pots. A receive
audio is selected by pulling out the knob toward the operator. With the receive audio activated, the
headphone volume of the audio can then be adjusted to the desired level. Turning the knob in a clockwise
direction increases the volume level, and turning in the counter-clockwise direction decreases the volume
level. To mute the receive audio, the knob only needs to be pushed back in. The volume for that audio
remains set at the desired level and does not need to be reset the next time it is selected.
3 - ICS Volume Control
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This knob adjusts ICS headphone volume. Clockwise rotation increases the volume - counter clockwise
rotation decreases the volume.
4 - Lighting
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The audio panel is lit by four (4) 28V NVG lamps which provide night time visibility for all panel legends.
In the event of a failure of lamps return to Air Comm Systems for replacement.
Air Comm Systems, Inc.
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