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NAV Key
Push key twice
to select NAV
main page.
Vol. 1 18--50--4
NAVIGATION SYSTEMS
Distance Measuring Equipment REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
Distance Measuring Equipment <1015>
Figure 18---50---3
1 -- DME -- 2
Press to monitor selected
DME transceiver. When lit,
rotate to increase volume.
Press again to deselect
DME station identification
audio.
Distance Readout
Indicates distance to tuned
navaid or next waypoint, in
nautical miles. Color matches
navigation source.
DME Hold (H) Symbol (yellow)
When DME hold is selected,
H replaces NM legend on distance
readout. Not displayed if FMS is
navigation source. Primary Flight Display
Pilot’s and Copilot’s Instrument Panels
Audio Control Panel
Center Pedestal
Vol. 1 18--50--5
NAVIGATION SYSTEMS
Distance Measuring Equipment REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
Distance Measuring Multifunction Display
Figure 18---50---4
Distance Readout
Indicates distance to tuned navaid
or next waypoint, in nautical miles.
Color matches navigation source.
DME Hold (H) Symbol (yellow)
When DME hold is selected, H
replaces NM legend on
distance readout. Not displayed
if FMS is navigation source.
Ground Speed Readout (white)
Color of GS prefix matches
navigation source.
Multifunction Display -- Navaid Sector Mode
Pilot’s and Copilot’s Instrument Panels
Time To Go
Indicates time to tuned
navaid or next waypoint.
Color matches navigation
source.
BRT
Vol. 1 18--50--6
NAVIGATION SYSTEMS
Distance Measuring Equipment Sep 09/02
Flight Crew Operating Manual
CSP C--013--067
A. System Circuit Breakers
SYSTEM SUB--SYSTEM CB NAME BUS BAR CB
PANEL
CB
LOCATION
NOTES
Distance
Measuring
Transceiver
DME 1 DC BUS 1 1 H14
Equipment
DME 2 DC BUS 2 2 H14
Vol. 1 18--60--1
NAVIGATION SYSTEMS
Air Traffic Control Transponder System REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
1. AIR TRAFFIC CONTROL TRANSPONDER SYSTEM
The two air traffic control transponders (ATC 1 and ATC 2) provide ground radar beacon
systems with coded identification responses in the following modes:
S Mode A -- Aircraft identify reporting
S Mode C -- Altitude reporting
S Mode Select (S) -- Data link with other mode S transponders for the traffic alert and
collision avoidance system (TCAS).
Mode S data link includes air-to-air, ground-to-air (data uplink or comm A), air-to-ground
(data downlink or comm B), and multisite (ground station to ground station) messages.
Transponder activation is made on the backup tuning unit.
Transponder codes are set on the top level page of the radio tuning units and can also be
set using the FMS control display unit. ATC identification is selected using the IDENT button
on the radio tuning unit.
Air Traffic Control Transponder System --- Controls
Figure 18---60---1
Backup Tuning Unit
Center Pedestal
ATC SEL
Used to select ATC transponders.
1 -- ATC 1 transponder is activated
and ATC 2 transponder is on standby.
STBY -- Both transponders are on
standby.
2 -- ATC 2 transponder is activated
and ATC 1 transponder is on standby.
C
O
M
NAV
OFF
SBY
ON
SQ
OFF
1 RTU 2
STBY
1 2
ATC SEL
INHIBIT PUSH
FMS TUNE
INHIBIT
RTU 1
INHIB
RTU 2
INHIB
NAV
Vol. 1 18--60--2
NAVIGATION SYSTEMS
Air Traffic Control Transponder System REV 3, May 03/05
Flight Crew Operating Manual
CSP C--013--067
ATC Transponder Interface
Figure 18---60---2
FMS
IAPS
ADC 1
ADC 2
DME 1/2
TCAS
ATC 1 ATC 2
PORT C
ECHO
PORT B
PORT A
24 PIN
STRAP
PORT C
ECHO
PORT B
PORT A
24 PIN
STRAP
UPPER UPPER
LOWER LOWER
X--TALK
ALT
ALT
ATC
SELECT
ATC
SELECT
SOURCE
SELECT
SOURCE
SELECT
SUPPRESSION IN/OUT
COORDINATION
& CONTROL
COORDINATION
& CONTROL
RTU 1 RTU 2
CBP2--V5
XPDR 1
DC
ESS
CBP2--H8
XPDR 2
DC
BUS
2
Vol. 1 18--60--3
NAVIGATION SYSTEMS
Air Traffic Control Transponder System REV 3, May 03/05
Flight Crew Operating Manual
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