NAVIGATION AND
COMMUNICATION
AIRPLANE
OPERATIONS
MANUAL
2-18-21
Page
8
Code
02
JUNE 29, 2001
HF CONTROLS AND INDICATORS
KCU-951 CONTROL PANEL
1 - FREQUENCY DISPLAY
− Displays the operation frequency, in either FREQ or CHAN
mode.
2 - MODE DISPLAY
− Displays emission mode, transmit indicator and program mode
indication.
3 - CHANNEL DISPLAY
− Displays the set channel. If in FREQ mode, the channel display
will not show numbers.
4 - PHOTOCELL
− Automatically adjusts the display brightness.
5 - MODE SWITCH
− Selects transmission and reception mode. Momentary
depression cycles the KHF-950 from upper sideband (USB) to
lower sideband (LSB) to AM.
6 - FREQ/CHAN SWITCH
− Allows the user to select between the two methods of frequency
selection. In the FREQ mode (depressed switch) the user may
direct tune any of the 280,000 available frequencies, simplex
operation only. In the CHAN mode (pressed switch), the user
presets the transmit and receive frequencies in up to 99
available channels.
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