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GV200 @Track Air Interface Protocol

TRACGV200AN003 – 72 –

3.2.24. Hour Meter Counter

The command AT+GTHMC is used to measure time of use with each actuation of the ignition on.

To use this command, the ignition signal must be connected to the device. When the device sends

+RESP:GTFRI and +RESP:GTIGN and +RESP:GTIGF, <hour meter counter> will be sent in

these reports.

 AT+GTHMC=

Example:

AT+GTHMC=gv200,1,12345:12:34,,,,,,,,,0016$

Parameter

Length(byte)

Range/Format

Default

Password 4 – 6 '0' – '9' 'a' – 'z' 'A' – 'Z' gv200

Hour Meter Enable 1 0|1 0

Initial Hour Meter Count 11 00000:00:00-99999:00:00 00000:00:00

Reserved 0

Serial Number 4 0000 – FFFF

Tail Character 1 $ $

 <Hour Meter Enable>: Enable or disable hour meter counter function. If hour meter counter

function is enabled, hour meter count will be increased when the device is in ignition.

 0: Disable hour meter counter function

 1: Enable hour meter counter function

 <Initial Hour Meter Count>: Initial hours meter count. It is formatted with 5 hour digits and

2 minute digits and 2 second digits and ranges from 00000:00:00– 99999:00:00. When

engine is on at the first time, <Hour Meter Count> which report in +RESP:GTFRI

/+RESP:GTIGN/+RESP:GTIGF will be increased based on this value.

The acknowledgment message of AT+GTHMC command:

 +ACK:GTHMC,

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Queclink GV200 Spécifications Page 73