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Low battery alert
When GPS device battery is going to be about 3.7V, it will send SMS:
“bat:l” at 30 minutes interval.
Terminal (local) Time Setting
Send SMS “time+space+zone+pspace+local time”.
For example, send SMS: time zone123456 1 (time zone of Denmark).
If the local time zone is negative as “-3”, then it should set as SMS:
time zone123456 -3