2
Call Monitoring: user can send a SMS that included the preset password of the unit. GT-2000 will send
“PASS” SMS ACK back, unit will auto answer the phone in the following 5 minutes.
Using built-in real time clock to identify the report time, when GPS signal is lost. Hence, if the report is
received with “LAST KNOWN” message, the time in the report will be the real time clock, but the GPS
position will be the last known valid GPS position.
Three LED indicate the status of the SYSTEM, GPRS signal and GPS signal.
SYSTEM LED: to refer the
IV. BUTTON OPERATION
YELLOW LED: GSM/GPRS indicator. Yellow LED will flash when the device is connected to the server
with valid GPRS connection. It will stay continuously on when it is in GSM mode. It will stay off if there is
no GSM reception.
GREEN LED: GPS indicator. This LED will be continuously on when the unit received a valid GPS data.
Note that the YELLOW and GREEN LEDs indication will not be valid until the system goes to the working
mode, normally 30 seconds after power on.
II. BASIC FUNCTIONS
FUNCTIONS APPLICATIONS
GPS
GPS receiver will output a complete position, velocity, and time (PVT) solution in
the NMEA Version 3.0 protocol
GPRS, SMS
GPRS use standard TCP or UDP communicate protocol. If the GPRS service is
failed, the SMS mode will be turned on for emergency use.
Button
Power button
Three Buttons for call, Help, SOS….(right side)
Two buttons control volume of ring and sound. (left side)
PC-setup
Initialize the unit and program the device, including Network APN, server IP
address, user message, report control, and Geo-fence setting, etc …
Note that Network APN and server IP details must be set before the installation.
Standard Report
Automatic report for tracking purpose:
Fixed time report
Fixed distance report
Speeding report
History data store
900 report can be saved in unit and read from server and pc-setup
