FSG 90 System
6 Operating Instruction
54 FAV_D10024 December 2014
6.5 Storing a new Frequency/Channel Name
In each active Operating Mode (combined 8.33/25 kHz mode or '25 kHz only' mode) up
to 99 non-volatile channel memories can be user programmed. Channel memories of the
non-active mode remain stored in the background. They are accessible after calling up
the respective mode.
IMPORTANT!
Free selection of frequencies and new storing may be disabled due to
SET-UP adjustment (refer to Section 5.4.9)!
Channel memories 1 to 4 are always pre-set and may be used when
called. They can only be changed but not deleted. Ex works and after
Master Reset channel memories 1 to 4 are pre-set with either
118.00 MHz or 118.005 MHz!
Storing can be initialized in all three operating/display modes.
The USE frequency/channel name in the upper line of the display
can be stored to any of the 99 channel memories.
1. Set the frequency or channel name to be stored in the upper line at the display!
2. Initialize storing by pushing the STO button.
3. The last used channel memory number appears, "CH" flashes.
4. Select appropriate channel memory number (1 to 99) by turning the F/CH knob. On a
free memory channel, an "F" appears before "CH" and the memory number.
5. To enter the new frequency/channel name push the STO-button. The
frequency/channel name will be stored under the selected channel memory number.
A previously stored frequency/ channel name will be overwritten.
6.6 Recall of stored Frequency/Channel Name
1. By pushing once or twice the MD button select the CHANNEL display mode.
2. By rotating the F/CH knob set appropriate channel memory number with its
associated frequency/channel name at the display. Only channel numbers that have
been programmed previously will appear.
6.7 Squelch (SQ) Operation
During standby (normal operation / no signal received), the squelch is active to disable
continuous receiver noise; too weak signals are not heard. The squelch level (normally
approx. 1 µV) can be adjusted in the SET-UP menu by 4 thresholds (low, med1, med2,
high) to meet best operational requirements.
Signals above the SQ threshold open audio amplifiers for speaker and phone audio
output. If, however, very weak signals below the SQ threshold are to be heard (e.g.
aircraft far from base) then the SQ button is pushed to open SQ, This permits noise
during pauses, but weak signals are no longer suppressed, and the full Receiver range
is available.
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