To change the backlighting intensity:
1. Press and hold
M
, and rotate
O
to display the ‘Backlight intensity’ page.
2. Press
C
twice to highlight the ‘mode’ field.
3. Rotate
K
to select ‘auto’ or ‘manual’.
4. If ‘manual’ is selected, rotate
O
to highlight the ‘level’ field, and use
K
to select the
desired backlighting level.
The
trip timer
provides a running clock on NAV Menu 2 (see page 29), and can
be configured to run when power is on or when your ground speed exceeds a user-
defined minimum.
To change the trip timer settings:
1. Press and hold
M
, and use
O
to display the trip timer settings page.
2. Press
C
twice to activate the cursor.
3. Use
K
to select either ‘pwr is on’ or ‘gs exceeds’.
4. If you choose ‘pwr is on’, press
C
to complete.
5. If you choose ‘gs exceeds’, use
O
to highlight the speed field.
6. Enter the speed using
K
and
O
.
7. Press
E
to accept, and press
C
to complete.
82
SECTION
6
UNIT SETTINGS
Backlighting
Trip Timer
Trip timer settings, showing timer active when
groundspeed exceeds 100 knots.
The backlight intensity settings page is used to
set/adjust the screen backlighting for day or night
time operation.
250xl manual 2 7/17/98 1:33 PM Page 82
