User's Manual

Confidential Document
Page 7 of 26
GPS Antenna Installation
The AS1 (E) determines its position by communicating with Global Positioning Satellites through an external
GPS antenna. The location where the AS1 (E) GPS antenna is installed will have great effect in the overall
performance of the GPS receiving. Please note that the following interior conditions may cause bad GPS
reception when a GPS antenna is installed inside interior of vehicle:
 Windows with metallic tint
 Windshield mounted radio antenna
 Windows with solar reflective covers
 The MP3/Dash camera FM transmitter may interfere with GPS reception