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To execute a checklist:
1. Press
N
and rotate
O
until NAV Menu 1 is displayed.
2. Press
C
twice and rotate
O
until ‘Chklist?’ is highlighted. Press
E
.
3. Use
O
to highlight the checklist you would like to see. Press
E
.
4. Press
E
to check off list items.
To delete a checklist item or an entire checklist:
1. To delete a checklist item, highlight the desired item and press
\
, followed by
E
.
2. To delete an entire checklist, highlight the desired list and press
\
, followed by
E
.
The GNC 250XL’s NAV Menu 2 provides access to various timer and planning func-
tions, including:
• Approach timer • Clock (Date and time)
• Trip Timer • RAIM Prediction
• Scheduler messages • Sunrise and sunset calculations
The approach timer acts as either a count up or a count down timer that can be
set or reset at any time.
To activate/change/view the approach timer:
1. Press
N
and rotate
O
until NAV Menu 2 is displayed.
2. Press
C
twice and rotate
O
until ‘Appr Time?’ is highlighted. Press
E
.
3. Rotate
K
to select either ‘Count up’ or ‘Count down’. Press
E
.
4. Use
K
and
O
to set the time from which to begin counting. Press
E
.
5. Rotate
O
to select the desired function: ‘Start’, ‘Stop’, or ‘Reset’. Press
E
to execute.
28
NAV Menu 2
SECTION
1
NAV KEY
Checklists
Approach Timer
Executing a checklist.
250xl manual 2 7/17/98 1:27 PM Page 28