2) Please make sure there is no electromagnetic wave- absorbent object
(metal) above the device, especially the thermal-protective coating on the
windshield, it may affect the GPS reception of the device;
9.4 If GPS can not receive the signals normally (there is high building around
to interfere with GPS reception), please drive to the open areas for positioning.
Generally, it needs 1-2 minutes to receive the first coordinates.
9.5 If GSM can not receive the signals normally, please check whether SIM
card is installed correctly or there is no GSM signal at the location you are,
such as basement parking, please drive to a place covered by GSM signal
reception.
9.6 When cellphone with special number receives tele- cutoff alarm sms,
please make sure whether it is illegal wire cutoff, or the FUSE on power line is
blown. If the FUSE in it is blown, please contact your distributor to exchange
with the same model FUSE, after the internal trouble is shoot, it can be power
on to work again.
Special statement:
1. Specifications of this product subject to change without further notice.
2. Any change about the appearance and color is subject to the real object.
3. Warranty card applies to the product with the IMEI number listed below.
4. Please keep this card safely for after-sale service, as well as your receipt.
5. Refer to the table below for the warranty reference.
This card is the basic certificate for warranty, please fill it carefully
and keep it safely.
Name
Phone number
Address
model
IMEI number
Date
Invoice number
Sales unit name
Warranty card of GPS Vehicle tracker