Garmin GPS 155TSO, Owner'S Manual

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coverage and receiver performance. This can be helpful when you may be experienc-
ing a problem with low signal levels due to poor coverage or installation problems.
To view the satellite status page:
1. Press
S
and rotate
O
until the satellite status page appears
The top line of the status page dis-
plays the receiver status and the current DOP or EPE. Dilution of precision (DOP) is
a measure of the satellite geometry quality and relative accuracy of your position,
with 1 meaning good geometry and 10 meaning poor. Estimated position error (EPE)
is an overall measure of your positional accuracy in feet or meters using signal and
data quality, receiver tracking status and DOP.
To view information on DOP/EPE:
1. Press
S
and rotate
O
to display the satellite status page.
2. If the desired field (EPE or DOP) is not displayed, press
C
.
3. Use
K
to change between ‘epe’ and ‘dop’, press
C
to finish.
84
UNIT SETTINGS
Satellite Status Page
Satellite status page displaying DOP.
Receiver Status
EPE/DOP Field
Signal Strength Field
Satellite Numbers
155man (GOOD) 7/24/98 1:57 PM Page 84