Becker Avionics
Operating Instructions
Frequency Selection Modes
0638.420-071 Issue 06 02/2021
VHF Transceiver
21
•
Push the "MDE" key to change to the direct tune mode page.
o
The active frequency is shown in the top line.
•
The battery information is shown.
The battery information is only displayed if BATTERY VOLTAGE in
the "Configuration Setup*" is selected.
* For details please refer to related manual:
http://www.becker-avionics.com/manuals/
Communication
→
VHF Transceiver
•
Make a "short push" on the rotary encoder to change the
MHz digits.
o
The changeable digits are shown inverted.
•
Turn the rotary encoder clockwise/counter clockwise to change
the frequency in 1 MHz steps.
•
Make another "short push" on the rotary encoder to change the
100 kHz digits.
o
The changeable digits are shown inverted.
•
Turn the rotary encoder clockwise/counter clockwise to change
the frequency in 100 kHz steps.
•
Make another "short push" on the rotary encoder to change the
25/8.33 kHz digits.
o
The changeable digits are shown inverted.
•
Turn the rotary encoder clockwise/counter clockwise to change
the frequency in 25/8.33 kHz steps.
•
The changes are active immediately.
o
While the transceiver transmits, the change of the active
frequency is not possible.
•
Push the "STO" key to store the active frequency into the next
vacant memory place of the user channel database (see
"Frequency Storage Functions", page 24).
IC
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BAT 13.5V
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IC
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