Cantrack GF20 - Intelligent Working Modes; Mode 0: Real-time Mode; Mode 1: Power Saving Mode; Mode 2: Clock Mode

3
Set center number
centernum123456+space+phone
number
centernum123456 13712345678
no need put country code
Cancel center
number
centernum123456
Set low battery alarm
lowbat123456+space+1
lowbat123456 1
Cancel low battery
lowbat123456+space+0
lowbat123456 0
Set SMS time zone
timezone123456+space+(timezone*
60)
If+5.5:timezone123456 330
Check device status
check123456
check GPS GSM status
Set alarm mode
KC123456+space+1
APP alarm (default)
KC123456+space+2
APP+SMS alarm
KC123456+space+3
APP+SMS+PhoneCall alarm
Set vibrate alarm
vibrate123456+space+1
Must keep continuously static 3 minutes
before vibration
Cancel vibrate alarm
vibrate123456+space+0
Set factory mode
begin123456
It will erase all setting
Intelligent Working Modes
❖ Mode 0：(Real-time mode)
Send SMS: "MD123456+space+0", it will reply "MD, set successfully", and the device will
switch to real-time tracking mode
* Note: GPS always ON and connected with server, consume battery very fast!
❖ Mode 1：(Power saving mode)
Send SMS:
"MD123456+space+1+space+work time+space+8+space+online or offline"
For example: “MD123456 1 3 8 1”
2
nd
"3" means: work time, unit: minute
4
th
"1" means device will disconnect from server and show offline status, if put 0 means device will
not disconnect from server and send heartbeat data to keep device online status, but GPS off.
Only yellow part value could be set, other value keep same as command example.
❖ Mode 2：(Clock mode)