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and/or receive communication/information from NAV, ADF, DME and MB. For more information, see
Chapter 6 COMMUNICATIONS.
NAV1, NAV2, NAV3 (if installed)
ADF1, ADF2
DME1, DME2
Receive Buttons
MKR Button
Controls onside
marker
beacon receiver sensitivity.
MUTE Button
Used to temporarily silence the
marker beacon audio (nonlatching).
GF1710_002
NAVIGATION
Flight Crew Operating Manual REV 41, Jul 08, 2004
CSP 700−6
Volume 2
17−10−2
RADIO MANAGEMENT UNIT (RMU)
The RMUs, located on the pedestal are used for frequency and mode control. With the exception of a
DME indicator, all navigation data is displayed on EFIS.
Each RMU controls the following functional modules:
· An Integrated Navigation Unit, incorporating a VHF NAV Transceiver Module, a DME
Transceiver Module and an ADF Receiver Module.
· An Integrated Communication Unit, incorporating a VHF COM Transceiver Module, a Mode S
Transponder Module and a TCAS Interface Module.
Any selectable parameter, such as VOR or ADF frequency, may be changed by pressing the
corresponding line select key, then by rotating the tuning knobs to set a desired value. For more
information, see Chapter 6 COMMUNICATIONS.
Pilot’s Windows
− COM1
− NAV1
− ATC/TCAS
− ADF1
− TCAS DSPY 1
− HF1
Copilot’s Windows
− COM2
− NAV2
− ATC/TCAS
− ADF2
− TCAS DSPY 2
− HF2
Main Tuning Page
Transfer Key
Line Select Keys
Function Keys
RMU 1 (Pilot’s)
Tuning Knobs
GF1710_003
COM1 NAV1
ATC/TCAS ADF1
TCAS DSPY 1 HF1
NB
MEMORY−4
1 ATC ALT
ALT:
121.82
118.02
MEMORY−1
117.45
110.00
1200
ADF
1799.5
REL
NORMAL 15600
15423
LV
NAVIGATION
REV 41, Jul 08, 2004 Flight Crew Operating Manual
CSP 700−6
Volume 2
17−10−3
VHF NAVIGATION RECEIVERS
The two VHF Navigation receivers (NAV 1 and NAV 2) provide VHF omnirange (VOR), Localizer
(LOC), Glideslope (GS) and Marker Beacon (MB) signals to the navigation systems and flight crew.
The navigation receivers operate in the following ranges:
System Frequency Range Channel Spacing
VOR 108.00 to 117.9 MHz 50 kHz (160 chan)
LOC 108.10 to 111.95 MHz 50 kHz (40 chan)
GS 329.15 to 335.00 MHz 150 kHz (40 chan)
MB 75.00 MHz Preset
Frequency selection is through radio tuning units located on the pedestal.
COM1 NAV1
ATC/TCAS ADF1
TCAS DSPY 1 HF1
NB
MEMORY−4
1 ATC ALT
RANGE:
121.82
118.02
MEMORY−1
117.45
110.00
1200
ADF
1799.5
6
NORMAL 15600
15423
LV
RMU 1 (Pilot’s) RMU 2 (Copilot’s)
GF1710_004
COM2 NAV2
ATC/TCAS ADF2
TCAS DSPY 2 HF2
NB
MEMORY−4
1 TA/RA
RANGE:
123.45
127.95
MEMORY−2
117.45
110.10
1200
ADF
1799.5
6
NORMAL 15600
11233
LV
NAVIGATION
Flight Crew Operating Manual REV 41, Jul 08, 2004
CSP 700−6
Volume 2
17−10−4
NAV 1 (2)
The VHF NAV receiver houses the major navigation functions of the VOR/LOC receiver, glideslope
receiver and marker beacon receiver.
The NAV line select key is used to select navigation frequencies (VOR, LOC, GS and DME). The
cursor will automatically reposition to the NAV receiver active frequency after 17 seconds.
Pressing and holding NAV preselect key for more than 3 seconds moves cursor to the top and blanks
the preselect window and allows direct tuning of NAV receiver active frequency.
COM1 NAV1
ATC/TCAS ADF1
TCAS DSPY 1 HF1
NB
MEMORY−4
1 ATC ALT
ALT:
121.82
118.02
MEMORY−1
117.45
110.00
1200
ADF
1799.5
REL
NORMAL 15600
15423
LV
COM1 NAV1
ATC/TCAS ADF1
TCAS DSPY 1 HF1
NB
MEMORY−4
1 ATC ALT
ALT:
121.82
118.02
117.45
1200
ADF
1799.5
REL
NORMAL 15600
15423
LV
NOTE
Pressing the NAV preselect key highlights the MEMORY window.
Rotating the TUNE knob will scroll through the frequencies in MEMORY.
GF1710_005
Pressing the transfer key will toggle the Active and Preset frequencies, channeling the NAV receiver
to what had been the Preset.
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