Garmin GPS 12XL - Manual (Page 20)

To reset timer, speed measurement, or odometer:
1. Highlight the user-selectable field, and press .
‘Reset’ will appear as a selectable option (see left).
2. Press to confirm or to exit.
The trip odometer, trip timer, and average speed
fields are linked. Resetting one of these options in a
user-selectable field will automatically reset the corre-
sponding data in the other. This ensures that informa-
tion shown in these fields reflects your current trip.
Maximum Speed Field
To obtain the most accurate reading of average
speed, keep in mind that due to the sensitivity of the
GPS 12XL’s antenna, your maximum speed value may
include the effects of rapid movement, such as swinging
your arm while holding the unit.
To reset the maximum speed field:
1. Highlight the ‘MXSPD’ field, and press .
2. Press to confirm the ‘RESET?’ prompt.
Altitude Field
When the GPS 12XL is acquiring satellites or navi-
gating in the 2D mode, the last known altitude is used
to compute your position. You may also manually enter
your altitude for greater accuracy. In cases where the
GPS 12XL has 2D coverage, entering your approximate
altitude will enable the receiver to determine a more
accurate position fix.
To enter an altitude:
1. Highlight the ‘ALT’ field, and press .
2. Enter a value, and press .
Maximum Speed
& Altitude
Fields
REFERENCE
16
Resetting the trip odome-
ter will erase the previous
mileage and set the
odometer to zero. Average
speed, maximum speed
and timer readouts will
also be reset to zero.
You may enter a known
altitude to assist the GPS
12XL in establishing a
more accurate 2D position
fix.
GPS 12XL NEW Manual Rev A 2/6/98 3:18 PM Page 16