CipherLab 1660 User Manual page 216

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5) After upgrading kernel, you will need to manually restart the scanner.
After upgrading the user program, the scanner will automatically restart itself once
the download is completed successfully.
Note: The output interface remains unchanged as specified in step 2 (= BT SPP).
202
User Guide
For the communication
"RS-232" and the correct COM port for BT
SPP interface.
Ignore the baud rate setting.
For the file option, click [Browse] to select
the target file for firmware update.
Click [OK].
Enter Setup
settings, select