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1. Version update of the firmware
1.1. Start the system setting screen
Start PBX with connecting to the USB memory,
then press the [STOP] and [#6] key when the right
screen is displayed.
1.2. Start the USB system screen
Press [F4] key to start the USB system screen.
1.3. Select the version update software
Press [F2] key when the right screen is displayed.
1.4. Display the list of the files
Confirm that the display is showing [ROOT]
at the lower part of the screen, then press [F2]
key to show the list of files.
SERVICE INFORMATION
2/5
For Service Engineer
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