
GMT00 @Track Air Interface Protocol
TRACGMT100AN001 – 52 –
3.2.19. Protocol Watchdog
The AT+GTDOG command is used to reboot the device in a time based manner or upon ignition.
This helps the device avoid working in an exceptional status for a long time. Besides these two
automatically reboot method, the device also supports to use the digital input to trigger the reboot
manually.
AT+GTDOG=
Example:
AT+GTDOG=gmt100,1,,1,0130,,1,1,,,,,0012$
AT+GTDOG=gmt100,2,30,,,,1,1,,,,,0012$
'0' – '9' 'a' – 'z' 'A' – 'Z'
<Mode>: Working mode.
0: Disable this function
1: Reboot periodically according to the <Interval> and <Time> setting.
2: Reboot when ignition on.
<Ignition Frequency>: When the working mode is 2, if the time interval between two
adjacent ignitions is greater than the specified value, the device will automatically reboot
upon ignition on.
<Interval>: The interval to reboot the device in day.
<Time>: At what time to perform the reboot operation when <Interval> is met.
<Report Before Reboot>: Whether to report the +RESP:GTDOG message before reboot. 0
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