Use the following procedure to check the system version of the VM-3100/Pro:
1. Power on while holding down the SELECT buttons of both channels 4 and 7.
2. Press F4 to display the system version.
3. Press F4 and power off to exit.
1. Power on while holding down the SELECT buttons of both channels 4 and 7.
2. Press F4 to display the system version.
3. Press F4 and power off to exit.