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TD2223-2 Hot Keys
From ViewSonic Documentation
Hot Keys
When the On-Screen Display (OSD) Menu is off, you can quickly access special functions by using the control panel keys.
| Key | Description |
|---|---|
| 1+▲ | Press and hold the keys to lock/unlock the OSD Menu.
When the menu appears on the screen, continue holding both keys for 10 seconds to lock/unlock the OSD Menu.  If the OSD Menu is locked, the below message will appear on the screen:  |
| 1+▼ | Press and hold the keys to lock/unlock the Power button.
When the menu appears on the screen, continue holding both keys for 10 seconds to lock/unlock the Power button.  If the Power button is locked, the below message will appear on the screen:  |
| 2+▲ | Press the keys to display/hide the boot up screen when the device is turned on.
 |
| 2+▼ | Press the keys to toggle between DDC/CI and DDC/2B.
|
| ▲ | Press the key to enter the Contrast menu. |
| ▼ | Press the key to enter the Color Adjust menu. |
| 2 | Press the key to toggle between input sources. |