Iiyama G-MASTER GB2470HSU User Manual page 31

● Lock Mode
<OSD Menu>
Hold the MENU button and turn on the monitor when the monitor is power-off, it will lock/unlock the
OSD Lock function.
<Power Switch / OSD Menu>
Pressing and holding the MENU button for 10 seconds when Menu is not displayed, will lock/unlock
the Power/OSD Lock function.
OPERATING THE MONITOR 27