
GMT00 @Track Air Interface Protocol
TRACGMT100AN001 – 50 –
3.2.18. Outside Working Hours
To protect the privacy of the driver when they are off duty, the device could be configured to
report empty location information during the outside working hours. The command AT+GTOWH
is used to define the working hours and the working mode to protect the privacy. When this
function is enabled, the device will report empty latitude, empty longitude, empty LAC and empty
Cell ID in all the report messages except for +RESP:GTSOS and +RESP:GTSOA.
AT+GTOWH=
Example:
AT+GTOWH=gmt100,1,1F,0900,1200,1300,1730,,,,1,1,0,0,,,,,0011$
'0' – '9' 'a' – 'z' 'A' – 'Z'
<Mode>: Working mode.
0: Disable this function.
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