ATR833-LCD / P/N 833-(3xx)-(3xx)
Operation and Installation
14
Document-No.: 01.1404.010.71e / Revision: 1.01
2.4.5
DWM – Dual Watch Volume Reduction
By shortly pressing the
SET
key four times, with help from the
rotary knob the lowering of the volume level (“mute”) for
receptions on the standby frequency (when having dual watch active)
can be controlled. This allows acoustic distinction between both
frequencies.
For further information about the dual watch mode see 2.6.
ACT
123.450
SBY
118.910
DWM -2
2.4.6
INT - Intercom-Volume
By shortly pressing the
SET
key five times, with help from the
rotary knob the intercom volume level can be controlled.
The intercom functionality is the on-board crew-internal communication
for multiple-seated powered aircraft.
The intercom can be activated
•
automatically whenever someone speaks into a microphone (i.e. voice
activated intercom = VOX, see 2.4.4).
•
manually by use of an external intercom switch.
The higher the value, the higher the intercom volume.
ACT
123.450
SBY
118.910
INT 03
If the intercom is deactivated by cabling, the intercom
volume cannot be adjusted. The radio indicates this by
displaying INT --
Range: -8 – 00
-8 is highest muting (dual watch reception at much lower volume)
00 is no muting (dual watch reception at same volume)
Range: 01 – 10