You will now notice that the vertical speed has been calculated, based on your
present speed. If you desire a more rapid climb or descent rate:
8. Use
K
and
O
to enter the new desired vertical speed, or press
E
to accept the
calculated value.
9. Press
E
to activate the vertical navigation function.
If you enter a value greater than the value computed by the GPS 150XL, the time
remaining before the maneuver is to begin will be displayed. When the countdown reaches
15 seconds, you will be informed with the message ‘Start altitude chng’. The VNAV func-
tion will automatically be cancelled if the active direct-to or route is changed in any way,
and you will be informed with a ‘VNAV cancelled’ message.
The GPS 150XL will allow you to create up to nine
checklists
with 30 items each
to remind you of repetitive tasks (that can be called up at any time for review). The
checklist feature is useful for creating pre-flight checklists, landing checklists, emergency
procedures, etc. Each name or function can have up to 16 characters each.
To create a checklist:
1. Press
N
and rotate
O
until NAV Menu 1 is displayed.
2. Press
C
and rotate
O
until ‘Chklist?’ is highlighted. Press
E
.
3. Press
C
and use
O
to highlight the checklist you would like to create or edit.
Press
E
.
4. Use
K
and
O
to enter the title of the checklist. Press
E
.
This will display the checklist items page. On this page you can enter each task,
such as ‘Check Fuel’.
5. Use
K
and
O
to enter the checklist item. Press
E
.
6. You may repeat step 5 to enter additional items, or press
C
to finish.
25
Checklist catalog page.
VNAV displayed on NAV summary page. The
VNAV altitude should be compared with the read-
ing on the aircraft altimeter to ensure you are on
the proper climb/descent angle.
SECTION
1
NAV KEY
NAV Menu 1
VNAV & Checklists
150xl manual B 8/4/98 1:09 PM Page 25
