ViewSonic VT2755LED User Manual page 31

Using the TV Features
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.
Setting RS232 Parameter
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 "TV ID", then press ◄ or ►
to set the TV ID number from 01~98. For detailed
information, refer to the RS232 Protocol on page 35~45.
ViewSonic
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VT2755LED