GoPass GPS-911 Troubleshooting
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GoPass GPS-911 Troubleshooting

Tracking kit
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A. Power On/ Off Problem:

1. GPRS LED flashes always after power on:
The device is sending GPRS message continuously.
Use your mobile to send a SMS Command Code
2. SOS LED can not turn off in 3 minutes after power on:
Please check if you have installed a SIM card into the device.
(the firmware can not be executed, before the red/ blue LED turns off).

B. Position Fix Problem:

1. After power on, GPS LED will light on first;15 seconds later GPRS LED will flash swiftly for 10 times; then
SOS LED will light on, and turn off some 20 seconds afterward.
program. Please check if the GPRS LED does turn off some 3 minutes after power on. If the red/ blue
SOS LED does turn off in some 3 minutes after the power on.
2. The GPS LED will turn from steady orange light to flash orange after gets a position fix. Please check if
the GPS LED can change from steady light to flash orange light.
3. If GPRS LED can not turn off after power on, the firmware can not be ready to run. If you find the green
GPRS LED blinks always after power on, please send a SMS Command Code
stop the GPRS transmission. (If you had installed our Track Software in your PDA Phone, you can also go to
<TRACK> <GPRS> <SET GPS delivery time
transmission of GPRS data).
4. When the firmware is ready to run, the red/blue SOS LED should turn off after power on. If the SOS LED
flashes always; and does not turn off in few minutes after powered on, GPS will be unable to get a position
fix.
5. Please leave the sample in an open air area, and face the back side up, as the GPS antenna is in the back
side, left to mini USB port. Besides, please note that it takes longer to get a position fix for the first time,
while the GPS data stored in the memory is still the data of Taiwan.
GPS-911 Trouble Shooting
115#8888#-1
interval>, tick
to AVL-900 to stop the transmission.
By then, the locator is ready to run the
115#8888#-1
<Disable delivery>
<SEND>to discontinue the
to GPS-911 to

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Summary of Contents for GoPass GPS-911

  • Page 1 GPS data stored in the memory is still the data of Taiwan. 115#8888#-1 to AVL-900 to stop the transmission. By then, the locator is ready to run the interval>, tick <Disable delivery> 115#8888#-1 to GPS-911 to <SEND>to discontinue the...
  • Page 2 2. Command 130 (set current time): SMS reports command sent to set the current time is not correct => The problem can be solved when you turn off & on GPS-911. It is because the Java clock and the module clock of Siemens TC65 GSM Module can be synchronized only when re-boot.
  • Page 3 Please check your set-up as follows: 1. USB to RS232 converting cable: It should be the one delivered with GPS-911. You can not use some other USB-RS232 cable, since the PIN number will be different from our specially made spec.
  • Page 4 IP->IMEI or PhoneNumber->IMEI mirror table should be the ideal solution. a). If track thru your web server, and messages sent back to server from GPS-911 is via GPRS, as IMEI is added to the protocol ($GPRMC + #IMEI...), you can get the IMEI w/o problem. You can add a program to your server for IMEI = user's name.

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