72 | Operating the monitor
When the built-in thermal sensor detects an abnormality, the following message
appears every 30 minutes:
For more information, see Troublesho
oting.
Locking the control buttons
You can lock the monitor control buttons to prevent access to the OSD menu
and/or power button.
1. Move
and hold the joystick forward/back/left/right for about 4 seconds
until a pop-up menu appears.
2. M
ove the joystick to select one of the following options:
•
•
•
3. Press the
joystick to confirm the configuration.
To unlock, move and hold the joystick
forward/back/left/right for about 4
seconds until a menu appears on the screen, and then select
to unlock and
close the pop-up menu.
: The OSD menu settings are locked and not accessible.
: The power button is locked.
: The OSD menu settings are not accessibl
e and the power button is
locked.