f) Command for Set Time zone
The device is set to China time zone by default +8. When device upload the data to server it uses default time
zone. In order to receive the data in UTC time please set the time zone to 0.
Set Time zone: zone 0:00
Reply: zone 0
3. Common problem analysis and after-sales services
3.1 Common problem analysis
SIM Card not enough
credit
Online tracking
parameter setting
error
Reset Parameters with correct
format according to user manual
Vehicle in
underground car
parks or tunnels,
signal weak.
Vehicle in
underground car
parks or tunnels
GPS Antenna Side is
not up to sky
Make the GPS antenna side up to
sky