T3 Motion MotionTrak 330 4CH, Руководство пользователя

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GPS Reception
1. Activate this product in an area without large buildings
to improve GPS reception.
p p
2. The temperature range for optimum operation of the GP
S receiver in a vehicle is -14 ~ 122
°
F (-14 10 ~ 50
°
C).
The commercial purpose GPS has the average rage error of more
than 15 meters and the range error could be more than 100 meters
due to environmental conditions like buildings, roadside trees etc.
3. When using this product for the first time or after a long
period (more than three days), it may take a little longer
to recognize your current location.
It may take between five and thirty minutes to get GPS reception.
GPS reception may be impaired under the following circumstances.
1) If there is an object at the end of the GPS antenna.
2) If the vehicle has metallic elements in the windshield.
3) If equipment generating electromagnetic waves that interfere with the GPS
signal is installed in the vehicle e.g.: Other GPS devices such as a certain
t
f i l ti t d l MP3 CD l l type of wireless activated alarms, MP3 or CD players or camera alarms
using GPS.
4) If using a receiver connected by a cable, electric interference can be
avoided by simply changing the location of the receiver (antenna).
5) On heavily overcast or cloudy days, if the vehicle is in a covered location
such as under a bridge or raised roadway, in a tunnel, an underground
roadway or parking area inside a building or surrounded by high-rise
roadway or parking area, inside a building or surrounded by high-rise
buildings.
6) If GPS signal reception is poor, it may take longer to locate the current
vehicle position when the vehicle is moving rather than when stationary.
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