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The GPS system is operated by the United States government, which is solely
responsible for its accuracy and maintenance. The system is subject to changes
which could affect the accuracy and performance of all GPS equipment. Although
the GARMIN GPSMAP 135 Sounder is a precision electronic NAVigation AID
(NAVAID), any NAVAID can be misused or misinterpreted and, therefore, become
unsafe.
Use the GPSMAP 135 Sounder at your own risk. To reduce the risk of unsafe
operation, carefully review and understand all aspects of this Owner’s Manual—and
thoroughly practice operation using the simulator mode prior to actual use. When in
actual use, carefully compare indications from the GPSMAP 135 Sounder to all avail-
able navigation sources, including the information from other NAVAIDs, visual
sightings, charts, etc. For safety, always resolve any discrepancies before continuing
navigation.
NOTE: This equipment generates, uses and can radiate radio frequency energy
and, if not installed and used in accordance with the instructions, may cause harmful
interference to radio communications. There is no guarantee that interference will
not occur in a particular installation. If this equipment does cause harmful interfer-
ence, the user is encouraged to try to correct the interference by relocating the equip-
ment or connecting the equipment to a different circuit. Consult an authorized deal-
er or other qualified technician for additional help if these remedies do not correct
the problem.
This device complies with Part 15 of the FCC limits for class B digital devices for
home or office use. Operation is subject to the following conditions: (1) This device
may not cause harmful interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.
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Caution
INTRODUCTION
Cautions
CAUTION!
The GARMIN GPSMAP 135 Sounder has no
user-serviceable parts. Should you ever
encounter a problem with your unit, please take
it to an authorized GARMIN dealer for repairs.
The GPSMAP 135 Sounder is screwed shut and
dry nitrogen sealed. Any attempt to open the
case to change or modify the unit in any way
will void your warranty and may result in per-
manent damage to the equipment.
GPS 135 Rev C 8/4/98 4:17 PM Page ii