GPS 155XL/GNC 300XL Installation Manual
P/N 190-00067-22 Rev E Page ii
GENERAL MAINTENANCE PRECAUTIONS
The following are general safety precautions that are not related to any specific procedure and therefore do not
appear elsewhere in this maintenance manual. These are recommended precautions that personnel should understand
and apply during the many phases of maintenance and repair.
KEEP AWAY FROM LIVE CIRCUITS.
Maintenance personnel shall observe all safety regulations at all times.
Do not replace components inside the equipment when potentially lethal voltages are present. Turn off system power
before making or breaking electrical connections. Regard any exposed connector, terminal board, or circuit board as
a possible shock hazard. Components that retain a charge shall be discharged only when such grounding does not
result in equipment damage. If a test connection to energized equipment is required, make the test equipment ground
connection before probing the voltage or signal to be tested.
DO NOT SERVICE ALONE.
Personnel shall not under any circumstances reach into or enter any enclosure for the
purpose of servicing or adjusting the equipment without immediate presence or assistance of another person capable
of rendering aid.
INFORMATION SUBJECT TO EXPORT CONTROL LAWS
This document may contain information which is subject to the Export Administration Regulations ("EAR")
issued by the United States Department of Commerce (15 CFR, Chapter VII, Subchapter C) and which may
not be exported, released, or disclosed to foreign nationals inside or outside of the United States without first
obtaining an export license. A violation of the EAR may be subject to a penalty of up to 10 years
imprisonment and a fine of up to $1,000,000 under Section 2410 of the Export Administration Act of 1979.
Include this notice with any reproduced portion of this document.
Specialized test equipment and extensive depot level repair training are required for testing the equipment covered in this manual.
Therefore, this manual may not be used to test or repair the subject equipment unless the using facility has been specifically
authorized by GARMIN to do so. This manual does not need to be kept current if it only used for reference purposes.
