Specifications

GV200 @Track Air Interface Protocol
TRACGV200AN003 – 19 –
 Bit 11 for the power on +RESP:GTRTL
 Bit 12 for the ignition report +RESP:GTIGN and +RESP:GTIGF
 Bit 13 for the ignition on location report +RESP:GTIGL
For each bit, set it to 1 to enable corresponding event report, 0 to disable.
 <Backup Battery On>: Configure whether to enable backup battery, 1 to enable, 0 to disable.
The backup battery will only be used when this parameter is set to 1 and the external power is
not connected.
 <LED On>: Configure the working mode of power LED and GPS LED.
 0: Each time the device powers on, both LED’s will work for 30 minutes and then are
turned off deadly.
 1: turn on Power LED and GPS LED if necessary.
 <Info Report Enable>: Enable/disable the device information report function
(+RESP:GTINF). The device information include state of the device, ICCID, GSM signal
strength, adapter connection status, backup battery enable setting, battery voltage, charging
status, Power and GPS LED working mode, GPS on need setting, external GPS antenna
status, the last known time of GPS fix, analog input voltage, all digit inputs and outputs status,
time zone information and daylight saving setting..
 0: Disable the device information report function.
 1: Enable the device information report function.
 <Info Report Interval>: The interval of reporting the device information.
 <Location By Call>: Configure how to handle the incoming call if <Mode> in AT+GTMON
is not equal to 2 or 3.
 0: Just hang up the call.
 1: Hang up the call and report the current position (+RESP:GTLBC).
 <Echo suppression>: Configure to one of the four phases for echo suppression.
 1: Cancel echo in the audio channel of the earphone.
 2: Cancel and weakly suppress echo in the audio channel of the earphone.
 3: Cancel and suppress echo in the audio channel of hands-free kit.
 4: Cancel and strongly suppress echo in the audio channel of hands-free kit
 <Backup Battery Charge Mode>: Control the charge mode of the backup battery.
 0:
W
hen the main power supply is connected, charge the backup battery on need.
 1: When the main power supply is connected, only charge the backup battery when
ignition on is detected. The charge process will begin 3 minutes after the ignition on.
The charge process is stopped when ignition off.
 <5V Output Control>: Control 5V output.
 0: Disable 5V output.
 1: Enable 5V output.
The acknowledgment message of AT+GTCFG command:
 +ACK:GTCFG,
Example:
+ACK:GTCFG,040100,135790246811220,,0003,20090214093254,11F0$
Parameter Length(byte) Range/Format Default
Queclink
Confidential