BOMBARDIER Challenger 601-3A CL-600-2B16 Pilot Training Manual page 437

Inertial System Display Unit
The ISDU allows the entry of present position
directly to any of the installed ITUs, and it pro-
vides display of several IRS parameters. The
ISDU functions as a backup to the IRS systems.
Figure 16-23.displays the ISDU and the NDU
functions. For complete operational descrip-
tions, consult Honeywell Pub. No. 95-8440.
Honeywell LASEREF
DSPL SEL
PPOS WIND
TK/GS HDG/STS
TEST
SYS DSPL
2
1 3
OFF
Honeywell LASERTRAK
FROM TO
ON
LEG XTK
WPT
CHG DTK
TK WD
POS
GS WS
SYSTEM SELECT
1 2 3
Figure 16-23. ISDU and NDU
FOR TRAINING PURPOSES ONLY
FlightSafety Canada
CL-600-2B16 PILOT TRAINING MANUAL
Navigation Display Unit
The NDU, or LASERTRAK, provides limited
IRS navigation capability by allowing a direct
interface between the NDU and each IRS.The
NDU provides a left-right course deviation
display either on a stand-alone unit or the
EFIS EHSI.
N
1
2
W H
4 5
S
7
8
ENT CLR
0
WPT
N
1
2
W
5
4
DIS
TIM S
7
8
HDG
BCK
STS
ENT
0
FAULT
M BRT
T DIM
3
E
6
9
3
E
6
9
CLR
TST
CL 601-3A/R 16-25
L t é e
L t d .