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1.4 DOWNLOAD MODE
Regardless of the result of initialization, you can issue "AT+DOWNLOAD" to upgrade to a
new firmware version when available. Refer to
updates via the mobile computer.
1) Connect a spare 8000 cradle to your computer and make sure its baud rate is 57,600
bps. If not, adjust the DIP switch.
2) Connect the power supply cord of the spare cradle and the 8000 GPRS Cradle to a
suitable power outlet separately.
3) Hold the spare cradle upside-down so that its IR port is facing to the IR port of the
8000 GPRS Cradle, as shown in the illustration.
4) Run HyperTerminal on your computer. Type "AT+DOWNLOAD", and press the [ENTER]
key.
5) When the cradle is ready to download a new program, the LEDs of Tx/Rx and Link will
flash by turns.
Chapter 1
Using the 8000 GPRS Cradle
Upgrading Firmware
for downloading
11
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