Garmin GBR 21 - Manual (Page 4)

2
Introduction
Cautions
All differential beacon receivers decode correction data determined at
the beacon transmitter site via a GPS receiver(s). The GPS system is
operated by the government of the United States which is solely
responsible for their accuracy and maintenance. The DGPS beacon
transmitters are operated by the U.S. Coast Guard (or similar govern-
ment agency in other countries) which is responsible for their accuracy
and maintenance. The Global Positioning System and the Differential
Global Positioning System are under development and are subject to
changes which could affect accuracy and performance of all DGPS
equipment. Although a DGPS system is a precision electronic
NAVigation AID (NAVAID), any NAVAID can be misused or misinter-
preted, and therefore become unsafe. Use the DGPS system at your own
risk. To reduce this risk, carefully review and understand all aspects of
this Owner’s Manual and carefully compare indications from your GPS
receiver to all available navigation sources including the information
from other NAVAIDs, visual sightings, charts, etc. For safety, always
resolve any discrepancies before continuing navigation.
NOTE: This device complies with Part 15 of the FCC rules.
Operation of this device 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.
The GARMIN GBR 21 does not contain any user-serviceable parts.
Repairs should only be made by an authorized GARMIN service center.
Unauthorized repairs or modifications could void your warranty and
authority to operate this device under Part 15 regulations.