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System Operation
3-119
GNS-XL Flight Management System
Rev. 0
Oct/96
To Enter Manual TAS:
1. NAV Key - DEPRESS to display page with TAS.
2. Line Select Key -
DEPRESS to place the
cursor over TAS field.
3. TAS - INSERT in knots.
4. ENT Key - DEPRESS.
(MAN) will appear adja-
cent to the TAS field.
(Figure 3-188)
NOTE: Maximum manual
TAS value that can be
entered is 850 knots.
MANUAL HEADING ENTRY
only if IRS or VLF is available
A manual heading entry will be possible only if the system is using a
VLF/OMEGA sensor with H-field antenna and the automatic heading
input has failed. If the automatic heading input returns it will override
the manual entry without operator action.
If the manual heading is required a “MAN HDG REQD” message will
appear on the SYSTEM MESSAGES Page.
To Enter A Manual Heading:
1. NAV Key - DEPRESS to display page with HDG.
2. Line Select Key - DEPRESS to place the cursor over HDG field.
3. HDG - INSERT.
4. ENT Key - DEPRESS.
(MAN) will appear adja-
cent to the HDG field.
(Figure 3-189)
NOTE: SYSTEM MES-
SAGES Page will display
USING MAN HDG message.
FR ABQ 01:09
TO PGS 01:57
DRIFT R 002
VAR E 12
TAS 420
HDG (MAN) 269
BRG 219
TK 267
NAVIGATION 3/4
<
<
>
>
Figure 3-189
FR ABQ 01:09
TO PGS 01:57
DRIFT R 002
VAR E 12
TAS (MAN) 420
HDG 269
BRG 219
TK 267
NAVIGATION 3/4
<
<
>
>
Figure 3-188