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GPS 18 Technical Specifications (190-00307-00) Rev. D
Page 1
1 INTRODUCTION
1.1 CAUTIONS
CAUTION
The GPS system is operated by the government of the United States, which is solely responsible for its
accuracy and maintenance. Although the GPS 18 is a precision electronic NAVigation AID (NAVAID),
any NAVAID can be misused or misinterpreted, and therefore become unsafe. Use these products at your
own risk. To reduce the risk, carefully review and understand all aspects of these Technical Specifications
before using the GPS 18. When in actual use, carefully compare indications from the GPS to all available
navigation sources including the information from other NAVAIDs, visual sightings, charts, etc. For safety,
always resolve any discrepancies before continuing navigation.
FCC
Compliance
The GPS 18 complies with Part 15 of the FCC interference limits for Class B digital devices FOR HOME
OR OFFICE USE. These limits are designed to provide reasonable protection against harmful interference
in a residential installation, and are more stringent than “outdoor” requirements.
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.
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. However, there
is no guarantee that interference will not occur in a particular installation. If this equipment does cause
harmful interference to radio or television reception, which can be determined by turning the equipment off
and on, the user is encouraged to try to correct the interference by one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.
The GPS 18 does not contain any user-serviceable parts. Unauthorized repairs or modifications could result
in permanent damage to the equipment, and void your warranty and your authority to operate this device
under Part 15 regulations.