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Pressing the
key “de-slaves”the DME from the active VOR frequency, so a different DME channel may be tuned, without changing the active VOR. Successive presses of the “DME”key enables display and selection of the DME channels in VHF and TACAN formats.
ILS/VOR DME Ident
NOTE
Cycling the DME function button will display the following in sequence: VOR/ILS . VOR/ILS and DME . VOR/ILS and TACAN . VOR/ILS
GF0610_039
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual Volume 2
To direct tune the COM, press the line select key beside the preset COM frequency and hold for approximately 3 seconds.The following events will occur:
.
The cursor will first move through the TEMP.1 selection.
.
The preset window will go blank.
.
The cursor will appear at the active frequency allowing direct tuning.
Direct Tune
To exit from direct tuning, press the line select key beside the preset COM frequency window and hold until the preset frequency appears.
To EXIT
Press and hold
Volume 2 Flight Crew Operating Manual Rev 2A, Apr 11, 2005
Any of the memory locations displayed inside the cursor can be changed by tuning and storing a new frequency. When the new frequency is tuned, the identifier will change from “MEMORY”to “TEMP”.
To recall stored frequencies, select the cursor to the memory location annunciator on the main radio page, by pushing the line select key adjacent to the preset com frequency two times. Rotate the tune control knob to view the frequencies stored (1.12) in memory.
Rev 3, Apr 25, 2005 Flight Crew Operating Manual Volume 2
COM MEMORY (CONT'D)
The temporary preselect frequency is assigned a numbered location, provided the cursor has been first placed around the identifier. While on the main tuning page, press the
function key to go to page menu, then select the com memory page. The COM MEMORY page provides the following:
Comm Memory Active COM Page Frequency
NOTE
Pressing the top right transfer key while on the COM memory page will toggle the receiver bandwidth from narrow
Memory
to wide or vice versa. Location Bandwidth Select Annunciator
Selectable from
Function Keys
GF0610_044
Volume 2 Flight Crew Operating Manual Rev 3, Apr 25, 2005
The HF communication system is a dual configuration integrated with the radio system on the airplane. The system provides long range air-to-air and air-to-ground communications, operates in the 2.0000 to 29.9999 Mhz range and consists of:
.
Two transceivers/antenna couplers.
.
One antenna.
The basic radio control functions are:
.
HF COM mode and frequency.
.
Audio selection and volume control.
Frequency and mode control of the remotely located HF radios can be input from either the RMUs or the Flight Management System (FMS) CDUs. Both normal Simplex Tuning mode and Emergency Tuning mode are supported by the FMS. The audio control panels provides microphone selection, radio headset/speaker audio selection, volume control and audio control switching.
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