Bendix/King Skymap IIIC Pilot's Manual - Page 8
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Selecting a Preset or Guard Frequency
The CHAN button is used to switch the radio between manual and preset channel
selection. To select a preset frequency:
•
Momentarily press the CHAN button to select the Preset/Guard
Frequency Mode (top display line shows either "CH" followed by a
number or "Gd").
•
Rotate either Frequency/Channel Select Knob to cycle through the avail-
able channels. Only programmed channels will be displayed. The Guard
channel is located between the highest and lowest numbered pro-
grammed frequencies.
Programming a Channel
This is available if the programming option was enabled during installation. This
mode allows programming any one of the 20 preset operating channels or the
Guard channel.
•
Programming a channel with identical transmit and receive frequencies
(Simplex)
•
Programming a channel with different transmit and receive frequencies
(Semi-Duplex)
•
Changing a Semi-Duplex channel to a Simplex channel
•
Deleting a programmed channel
Simplex Programming
This procedure will program a channel to have identical transmit and receive fre-
quencies (simplex operation).
•
Press and hold the CHAN button for at least three seconds. The top
display line will flash P01 indicating the programming mode is active on
channel 1.
•
Rotate either the small or the large Frequency/Channel Select Knob to
change the channel number.
•
Momentarily press the MODE button, the frequency display begins to
flash.
•
Rotate the knobs to select the desired frequency, refer to the Entering a
Manual Frequency section (if the channel is not programmed, the large
knob will need to be turned first).
•
If more channels need to be programmed, press the MODE button and
repeat this procedure.
•
Press the CHAN button or wait ten seconds to exit the programming
mode.
The programmed channel will now be available in the Preset/Guard Frequency
Mode.
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