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GV300 @Track Air Interface Protocol

TRACGV300AN002 – 4 –

0. Revision history

Revision Date Author Description of change

V0.1 2011-07-28 Eagle LIU Initial

V0.2 2011-08-10 Eagle LIU 1) Change default value of <ODO Initial

Mileage> in command AT+GTCFG to 0.0.

2) Change default value of <Report Composition

Mask> in command AT+GTCFG to 003F.

3) Change value range of <Echo Suppression> in

command AT+GTCFG from 1-4 to 1-2.

Remove setting for earphone channel.

4) Change default value of <Tow Enable> in

command AT+GTTOW to 0.

V0.3 2011-08-16 Eagle LIU

1) Modify the sample in AT+GTAIS.

2) Add new command AT+GTURT to configure

the parameter of serial port

3) Remove command type 2 in AT+GTDAT.

4) Change format of message +RESP:GTALL

for above modification.

V0.4 2011-08-18 Eagle LIU 1) Modify the value range of external GPS

antenna status in message +RESP:GTINF and

+RESP:GTANT.

2) Add backup battery capacity percentage in

message +RESP:GTFRI.

V0.5 2011-08-19 Eagle LIU

1) Add new command AT+GTJDC and new

event report message +RESP:GTJDR for

jamming detection.

2) Update message +RESP:GTALL for jamming

detection.

V0.6 2011-08-23 Eagle LIU

1) Add Mode 0 to AT+GTURT to disable the

serial port listening. Change default mode to 0.

2) Update message +RESP:GTALL.

V0.7 2011-08-29 Eagle LIU 1) Allow to use interruptible digital input port in

AT+GTOWH command.

2) Update message +RESP:GTALL for above

change.

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