ViewSonic N1930w-2M Service Manual page 26

To block by Input Source
1. Press ▲ or ▼ to select "Input Block".
2. Press ▲ or ▼ to select the input source, then ◄ or ►
to select from "Block" or "UnBlock".
3. Press MENU to exit.
To Restore Factory Setting
1. Press the MENU button to display the OSD main menu.
2. Press ▲ or ▼ to select the "OPTION" menu.
3. Press ENTER or ► to enter "OPTION" menu.
4. Press ▲ or ▼ to select "Restore Default", then press ►
to restore the factory default setting.
5. Select "Yes" and press ENTER to confirm the setting.
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N1930w-2M