Garmin GPS 90 - Manual (Page 62)

To enter an altitude buffer:
1. Highlight the ‘ALT BUF’ field and press E .
2. Use the arrow keypad to enter a buffer value and press E .
The next function available from the alarms/CDI page
is the waypoint arrival alarm, which will activate an
alarm message once you’ve come within a set distance to
a destination waypoint.
To set the arrival alarm:
1. Highlight the arrival field and press E .
2. Use the arrow keypad to select the ‘ON’ setting.
3. Press E to begin entry of the alarm distance.
4. Use the arrow keypad to enter a distance (to 99.9 nm).
5. Press the E key.
The last section of the alarms/CDI page allows you to
set a CDI/crosstrack alarm and define the course devia-
tion indicator scale. The CDI alarm will provide amessage
when your crosstrack error exceeds a specified distance.
To set the CDI alarm:
1. Highlight the ‘CDI ALARM’ field and press E .
2. Use the arrow keypad to select the ‘ON’ setting.
3. Press E to begin entry of the alarm distance.
4. Use the arrow keypad to enter a distance (to 99.9 nm).
5. Press the E key.
The CDI scale field lets you select the +/- range of the
CDI bar scale that appears on the Nav Page. Three scales
are available: +/- 0.25, 1.25 and 5.0 miles or kilometers,
with 1.25 being the default setting.
To select a CDI scale:
1. Highlight the ‘SCALE’ field and press E .
2. Use the arrow keypad to select a scale and press E .
54
Alarms/CDI
Menu
Arrival &
CDI Alarms
Setting the arrival
alarm.
Setting the CDI
alarm.
gps 90 manual 8/6/98 10:00 AM Page 54