2. COM Operation
air
avionics
The display of station names in ACD-57 requires GPS position data from an external
source that needs to be connected and configured during installation. Furthermore a
valid station database (microSD card) is required. If no GPS position data or no station
database is present, the function is not available and station names are not shown.
Audio Control
Volume Control
To enter the volume control page, rotate the inner knob or the outer knob on the main
page.
In the volume control page, you can use the inner knob to adjust ACTIVE channel volume.
Use the outer knob to adjust STANDBY channel volume.
COM VOLUME
ACTIVE
STANDBY
118.275
122.550
75
SQL
ICM
DONE
TEST
75
Figure 2.2.: Volume control page
If the connected COM unit does not support individual volumes for ACTIVE and STANDBY
channel (Dittel/TQ KRT2 or Becker 620X), outer knob switches DUAL/SCAN mode on or
off.
COM VOLUME
ACTIVE
DUAL
118.275
DUAL: OFF
75
SQL
ICM
DONE
TEST
Figure 2.3.: Volume control page for KRT2 COM unit. outer knob switches DUAL mode on
or off.
On the volume control page, as long as pushed the TEST softkey will open the squelch for
some seconds in order to test the audio output. Testing the audio output before each flight
is recommended.
10
ACD-57
·
Pilot’s Manual
·
rev. 1.0
·
2017/01/19
