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RTCM Input has Failed—DGPS data being received has been lost. You are no longer receiving
the beacon signal.
Searching the Sky—The GPS 125 Sounder is in searching the sky for almanac data or the unit
TM
is in AutoLocate
mode.
Shallow Water Alarm—The depth is equal to or less than the set alarm depth
Sonar ASIC has Failed—The unit' s internal monitoring system indicates a malfunction. Send in
for service as soon as possible.
Stored Data was Lost—All waypoints, routes, time and almanac data has been lost due to bat-
tery failure or clearing the receiver' s memory.
Transfer has been Completed—The receiver is finished uploading or downloading information
to the connected device.
No Transducer-Sounder Off—The transducer signal is not reaching the unit because of a loose
connector, bad wiring, or transducer malfunction.
WPT Memory is Full—You have used all 250 waypoints in the GPS 125 Sounder. Delete
unwanted waypoints to make room for new entries.
The chart below gives the UTC time offset for the various longitudinal zones. If
you are in daylight savings time, add one hour to the offset.
Longitudinal Zone
W180.0º to W172.5º
W172.5º to W157.5º
W157.5º to W142.5º
W142.5º to W127.5º
W127.5º to W112.5º
W112.5º to W097.5º
W097.5º to W082.5º
W082.5º to W067.5º
W067.5º to W052.5º
W052.5º to W037.5º
W037.5º to W022.5º
W022.5º to W007.5º
W007.5º to E007.5º
Offset
Longitudinal Zone
-12
E007.5º to E022.5º
-11
E022.5º to E037.5º
-10
E037.5º to E052.5º
-9
E052.5º to E067.5º
-8
E067.5º to E082.5º
-7
E082.5º to E097.5º
-6
E097.5º to E112.5º
-5
E112.5º to E127.5º
-4
E127.5º to E142.5º
-3
E142.5º to E157.5º
-2
E157.5º to E172.5º
-1
E172.5º to E180.0º
0
APPENDIX C
Messages &
Time Offsets
Offset
1
2
3
4
5
6
7
8
9
10
11
12
73
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