Specifications

GV200 @Track Air Interface Protocol
TRACGV200AN003 – 4 –
0. Revision history
Revision Date Author Description of change
V1.0 2011-01-13 Batty ZHANG Initial
V2.0 2011-03-15 Hendry PAN
1.Add description for +RESP:GTDAT;
2.Add corner field in +RESP:GTFRI.
V2.50 2011-04-01 Hendry PAN
1. Use one of the reserved field of AT+GTCFG as
Add <5V Output Control> to enable or disable 5V
output;
2. Modify description of GPS emergency mode.
3. Add new command AT+GTIDL for excessive
idling detection;
4. Define <Report ID> and <Report Type> for
watch dog reboot message +RESP:GTDOG.
V2.60 2011-04-14 Batty ZHANG
1. Use one of the reserved field of AT+GTAIS as
<Debounce Time> to avoid exceptional voltage
drop;
V3.00 2011-4-18 Hendry Pan 1. Change <Power Saving Enable> in
AT+GTCFG to <Power Saving Mode> and add
description for <Power Saving Mode>;
2. Change description for <Location By Call>;
3. Add new command AT+GTHMC for hour
meter counter;
4. Use one of the reserved field of AT+GTFRI as
<IGF Report Interval> to work when <Power
Saving Mode> in AT+GTCFG is 2;
5. Add two new modes for AT+GTMON and
modify <Stealthy Microphone> to change the
volume of microphone.
6. Modify the description of +RESP:GTMON.
7. Add fields in +RESP:GTRFI, +RESP:GTIGN,
+RESP:GTIGF to fill with hour meter counted
when engine is on if hour meter counter function is
enabled.
V3.1 2011-5-4 Batty Zhang
1. Add a new message +RESP:GTIGL to report
position when ignition is on.
2. Use three reserved fields of AT+GTMAI as <
Sync with FRI> for three analog inputs: The device
can send the analog input voltage periodically
along with fixed report message. Set <Sync with
FRI> to 1 to enable it, 0 to disable.
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