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Maintenance: Access to maintenance data only on ground.
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual Volume 2
General Colour Philosophy
GF0610_016
For radio parameters the RMU provides a local tune colour and a remote tune colour. Local tune is performed on same RMU it is observed on. Remote tune is performed on another tuning source: the other RMU or the FMS. Following local tune, the tuned item changes to the local tuned colour.
Following remote tune, the tuned item changes to yellow, with one exception . an FMS database tune (auto tune) of the NAV display channel, which is magenta.
Volume 2 Flight Crew Operating Manual Rev 2A, Apr 11, 2005
General Colour Philosophy (Cont’d)
Other items which are not radio parameters, such as page banners and window labels, also follow a general colour philosophy. The page banners and window labels are white when the on-side is selected and are magenta when the off-side system is selected. Example: on RMU #1 the HF window label is white when HF 1 is selected and magenta when HF 2 is selected.
Transfer Keys
The transfer key when pushed, flip-flops the active (top line) frequency and the preset (bottom line) frequency of the respective VHF COM, VHF NAV or HF COM window. Example below:
Line Select Keys
The first push of the line select key moves the yellow cursor to surround the data field associated with that particular line select key. It also electronically connects that data field to the tuning knobs so that the frequency or mode may be changed. For some functions, additional pushes of the line select key will toggle modes or recall stored frequencies. The line select key, when pressed and held for certain functions, allows the ADF and ATC memories to be recalled and to enter and exit direct tune mode for the VHF COM and the VHF NAV.
GF0610_021
Function Keys and Tuning Knobs
Function keys provide control of system data/configuration. The tuning knobs are used to modify the data field inclosed by the cursor. This may be frequency or mode depending on the data field.
Rev 2A, Apr 11, 2005 Flight Crew Operating Manual Volume 2
Function Keys
Pressing the squelch
key opens the COM radio squelch and allows any noise or signal present in the radio to be heard in the audio system. The letters “SQ”are annunciated along the top line of the VHF COM window (if the cursor is in the window) or the HF COM window (cursor in the HF COM window)
The “SQ”for the HF-9000 toggles between “SQ OFF”and the previously selected “SQ”level (MIN, MED, MAX). The “SQ”level is selected on the HF control page.
GF0610_024
Pressing the
key connects the RMU brightness control to the tuning knob and the RMU brightness display will appear. The display brilliance is then adjustable using the “TUNE”control knob on the RMU.
GF0610_026
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