R Mod : 3952 or 4890
ATR 42 Model : 400/500
GPS
NAVIGATION SYSTEM
GLOBAL POSITIONING SYSTEM
P 7
MAY 98
080
1.15
.
60
EHSI - FULL MODE
NAV source annunciation
Identifies the source which supplies the EHSI.
This information is blue when only one crew member uses GPS. It becomes amber
when both Capt and F/O use GPS as navigation source.
Distance counter
Indicates the distance computed by GPS to the next waypoint.
Ground speed indicator
Indicates the ground speed calculated by the GPS.
Desired track indication
Lateral deviation to the track
WPT alerting
Illuminates amber when approaching a waypoint.
TO/FROM annunciator
AA
1
2
3
4
5
6
7
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