Frequency Selection Modes
20 VHF Transceiver 0638.420-071 Issue 06 02/2021
• Push the "MDE" key to change to the standard mode page.
o The active frequency is shown in the top line and preset
frequency in the bottom line.
• The change of the active frequency is not possible in standard
mode (only available in direct tune mode).
• The change of the preset frequency is possible.
• 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.
•
A short push of the "↨/SCN" key, exchanges active frequency to
preset frequency and vice versa.
o While the transceiver operates in transmit mode, the
exchange function is disabled.
• Push the "STO" key to store the active frequency into the next
vacant memory position of the user channel database (see
"Frequency Storage Functions", page 24).
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