4
Preface
Precautions
For safety, we strongly recommend that you never operate the GPS navigation system
while driving.
Furthermore, attention should be paid to the following basic precautions when operating the
NavAccess E-802:
●The SD card should be removed only after you press the power button to shut down the unit.
Never pull out the SD card while the E-802 is operating.
●Never press the power button repeatedly or continuously. Otherwise, the unit could be
damaged.
●Never expose the NavAccess E-802 to strong sunlight or heat for extended periods of time.
The acceptable operating environment of the NavAccess E-802 is 0~70℃and 0~90%
humidity. The acceptable storage environment is -10~80℃and 0~90% humidity.
Also, when operating the GPS functions of the NavAccess E-802, these additional precautions
apply:
●This system functions as a reference for navigation only, and should never be used for
accurate measurements of direction, distance, location, etc.
●For GPS satellite positioning to work, stay at same location until the positioning process is
complete. It is best to stay in an open, uncovered location. This positioning process may
need more than 10 minutes.
●When the system is located in a building or a tunnel, or is close to a high obstacle, the
system may temporarily be unable to provide positioning and navigation information.
●Any radio transmitters (including mobile phones) might interfere with GPS satellite signals,
thereby resulting in incorrect positioning information.
●If your car is equipped with sheathing paper or explosion-proof plaster, these features might
interfere with the quality of the GPS signal.
●Route planning advice is for reference only. Road properties (such as one-way status and
turn restrictions) may change according to local conditions, and therefore may not be
consistent with the information given by the E-802. You should comply with all local traffic
regulations and drive as local road conditions require. When the NavAccess E-802 is placed
inside a car, it should be positioned in place by means of a car tripod. Avoid positioning the
NavAccess E-802 in the positions below
Driver’s line-of-sight Any position where it is not fixed in place
A position where an airbag is located A position where an airbag expands