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庞巴迪挑战者605公务机机组操作手册 CL605-通讯 COMMUNICATIONS(5)

时间:2011-10-27 15:35来源:蓝天飞行翻译 作者:公务机
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 COMMUNICATIONS Description  Vol. 2  06.10.8 
Oct 05/06 

When the tuning data is moved to the active frequency line, the existing active frequency is displaced to the line below it, identified with the label RECALL. At any time, the crew may select the RECALL line to switch the active and recall frequencies. The scratchpad must be empty when these selections are made.
If the scratchpad tuning data is moved to the RECALL line rather than the active line, the RECALL title changes to PRESET, indicating that this preset frequency is awaiting transfer to the active line. Pressing the PRESET line key moves this frequency to the active frequency line, and makes the previously active frequency a RECALL frequency.
Depending on the radio being tuned (VHF or HF), if an invalid entry is made, a message: INVALID FREQUENCY, INVALID ENTRY or INVALID CHANNEL is displayed on the scratchpad.
The TUNE page also allows the crew to enable or disable SELCAL system operation. The adjacent line key is used to alternate between OFF and SELCAL. The SELCAL text enlarges and is shown in cyan, when it is enabled.


 COMMUNICATIONS Description  Vol. 2  06.10.9 
Oct 05/06 


CDU TUNE Page
Figure 06.10.5

 

 COMMUNICATIONS Description  Vol. 2  06.10.10 
Oct 05/06 


VHF Control Page
The VHF control page, labelled COM (1, 2 or 3) CONTROL, is accessed by pressing the line key adjacent to the desired VHF radio title. Pressing the key adjacent to the active (green) frequency line, with no data in the scratchpad, returns the display to the TUNE page.
The control page provides control and display of the following functions and selections for the VHF radios:
.
Active frequency selection;

.
Recall frequency selection;

.
Preset frequency selection;

.
Squelch mode selection;

.
Test function; and

.
Voice/Data selection (VHF 3 only).


Selection and control of the active, preset and recall frequencies are made in the same way as on the TUNE page.
The VHF radio’s squelch mode is enabled (ON) and disabled (OFF) by pressing the SQUELCH line key. The squelch legend enlarges when active. The SQ icon is also shown on the TUNE page when squelch is off.
Pushing the TEST line key on the control page for any VHF radio causes the unit to perform a self-test. The test lasts 10 seconds, during which the TEST annunciator enlarges. A single aural beep is heard if the test was successful, while two beeps are heard if the test failed.
Up to 20 preset frequencies may be stored on the VHF control page. The CDU keyboard is used to enter the preset frequency and alpha-numeric identifier on the scratchpad. Once entered, the preset frequency is moved to a line key, where it is stored until required.
If the third (optional) VHF is installed, an additional control selection is available. VOICE or DATA allows the crew to select the function of VHF 3. The active status is indicated with larger, cyan text. The radio must be in the DATA mode for operation of the datalink. Frequency selections are not permitted when VHF 3 is operating in DATA mode.
 
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