3. Operation
To lock the c ontrol wheel
1. Bring up the OSD main menu.
2. Navigate to the Adjustments > Settings > Keyboard lock menu.
3. Switch the keyboard lock on or off.
4. Exit the OSD menu to activate the selected option.
To unlock the control wheel
During normal operation, turn and hold the control wheel counter clockwise for 5 seconds, until the
OSD unlocked message appears.
3.6 Input source selectio n
About input source selection
The MDRC-1219 (TS) can have multiple video inputs connected. Switching between the different inputs
can be done easily in the OSD menu.
To select the input source
1. Bring up the OSD main menu.
2. Navigate to the Input selection menu.
3. Select one of the available input sources and confirm.
3.7 L uminance adjustment
To adjust the luminance
1. Bring up the OSD main menu.
2. Navigate to the Adjustments > Luminance menu.
3. Set a luminance value as desired and confirm.
3.8 sRGB color space
About sRGB color space
The sRGB color space combines a display function and white point selection and is designed to match
typical home and office viewing conditions. It is widely used in most computer applications.
When selecting sRG B,theDisplay function and White point selection options in the Ad-
justments menu will be disabled.
To select sRGB color space
1. Bring up the OSD main menu.
2. Navigate to the Adjustments menu.
3. Select sRGB and confirm.
K5902128 (451920612451) MDRC-1219 (TS) 03/11/2016
13