NAVIGATION AND
COMMUNICATION
AIRPLANE
OPERATIONS
MANUAL
2-18-11
Page
22
Code
01
REVISION 33
11 - ADF ACTIVE FREQUENCY
− Indicates the active frequency for that window.
− Colors:
− White for on-side operation.
− Yellow for cross-side operation.
− Digits are replaced by dashes in case of any failure in the
associated source.
12 - ADF MODES FIELD
− Displays the ADF modes as selected either through the
second ADF Line Select Button (achieved by repeated
pressing) or through the Frequency Tuning Knobs when the
yellow cursor box is located in this field.
− Color: Green.
13 - HF WINDOW (only for KHF-1050)
− Identifies the window and which source equipment (side 1 or 2)
is active in that RMU.
− Colors:
− White for on-side source.
− Magenta for cross-side source.
14 - HF ACTIVE FREQUENCY (only for KHF-1050)
− Indicates the active frequency for that window.
− Colors:
− White for on-side operation.
− Yellow for cross-side operation.
15 - RADIO FREQUENCY TRANSMISSION MODE
− Indicates the HF Transmission Mode.
− Color: Green.
16 - HF PRESET FREQUENCY (only for KHF-1050)
− Indicates the active frequency for that window.
− Colors:
− White for on-side operation.
− Yellow for cross-side operation.
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