Yamaha PBX Series Service Information page 4

1.6. Complete version update
PBX will restart automatically after the version update successful.
2. Version update of screen data
2.1. Start the system setting screen
Start PBX with connecting to the USB
memory, then press [STOP] and [#6] keys
when the right screen is displayed.
2.2. Start the USB system screen
Press [F4] key to start the USB system
screen.
2.3. Select the version update software
Press [F1] key when the right screen is
displayed.
2.4. Select the language
Press [F3] key to show the list of the folders.
SERVICE INFORMATION
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For Service Engineer