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and is shown in cyan, when it is enabled.
COMMUNICATIONS
Description
Vol. 2 06−10−8
Oct 05/06
CL−605 Flight Crew Operating Manual
PSP 605−6
RADIO TUNING (CONT'D)
CDU TUNE Page
Figure 06−10−5
COMMUNICATIONS
Description
Vol. 2 06−10−9
Oct 05/06
CL−605 Flight Crew Operating Manual
PSP 605−6
RADIO TUNING (CONT'D)
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.
COMMUNICATIONS
Description
Vol. 2 06−10−10
Oct 05/06
CL−605 Flight Crew Operating Manual
PSP 605−6
RADIO TUNING (CONT'D)
VHF Radio CONTROL Page
Figure 06−10−6
COMMUNICATIONS
Description
Vol. 2 06−10−11
Oct 05/06
CL−605 Flight Crew Operating Manual
PSP 605−6
RADIO TUNING (CONT'D)
HF Control Page
An HF control page, labelled HF (1 or 2) CONTROL, is accessed by pressing the line key
adjacent to the desired radio title. Pushing the active frequency line, with no data in the
scratchpad, returns the display to the TUNE page.
The HF radio control page provides control and display of the following:
• Squelch mode selection;
• Test function;
• Frequency/Emergency/Maritime mode selection;
• Recall frequency selection;
• Preset frequency selection;
• Transmission mode;
• Power level; and
• Simplex or duplex operation.
The squelch level is indicated as one of four levels (SQ 0/SQ 1/SQ 2/SQ 3). SQ 0 is the squelch
“off” position, while SQ 3 is the maximum squelch level.
Pressing the TEST line key for either HF radio causes the unit to perform a 15 second self-test.
The TEST indication is replaced with a green PASS or yellow FAIL annunciator following
completion of the test.
The FREQ/EMER/MAR mode is displayed on the HF control page. It allows for the use of
manually entered frequencies, or selection of defined emergency or international telephone
union (ITU) maritime channels. The inactive modes are displayed in white, and the active mode
is displayed larger and in cyan.
The power level (LO/MED/HI) is displayed on the HF control page. The active level is displayed
larger and in cyan.
The HF operates in simplex or half-duplex mode, using three types of modulation: lower
sideband voice (LV), upper sideband voice (UV), or amplitude modulation equivalent (AM). The
active emission mode enlarges and is displayed in cyan next to the HF frequency.
Valid scratchpad entries for the HF depend on which tuning or operating mode has been
selected from the HF control page. The selectable tune modes that affect how data is entered
into the TUNE page scratchpad include:
• Manual frequency entry (FREQ);
• Emergency channel (EMER);
• Maritime channel (MAR);
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庞巴迪挑战者605机组操作手册 CL605-COMMUNICATIONS(4)
