4.4.6 INT – Intercom volume
Pressing the AUD button four times enables the turning knob to set the intercom volume.
INTnn Range: 1 – 9
4.4.7 EXT – External audio input volume
Pressing the AUD button five times enables the turning knob to set the external audio input volume.
External audio inputs can be audio alarms, voice alarms, Vario, etc. The required level is 200mVpp
(6Vpp max).
Activation occurs for settings >00 and will be indicated by “a”.
• 00 = turning off,
• 01 = lowest gain without threshold
• 09 = highest gain with interference suppression threshold.
EXTnn
Range: 0 - 9
4.4.8 DIM – Display brightness
Pressing the AUD button six times enables the turning knob to set the display brightness.
DIMnn Range: 01 – 16
The display consumption at 12V is between 10mA und 70mA. In addition the battery voltage in Volts
is indicated.
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