Elo TouchSystems ET 1725C Series - Manual (Page 22)

3-15
Locking/Unlocking the OSD Functions
You are able to lock the OSD functions if you do not want them to be changed.
To lock the OSD functions:
1 Press the power button to turn the monitor off.
2 Press the power button on and press the Menu key for 2 or 3 seconds or until
you see the green LED on the power button. The factory OSD menu window
will appear.
3 Use the or button to select the OL option.
4 Press the Select button to highlight the Locked option on the menu.
5 Press the power button to turn the monitor off then turn it back on.
To unlock the OSD functions:
1 Press the power button to turn the monitor off.
2 Press the power button on and press the Menu key for 2 or 3 seconds or until
you see the green LED on the power button. The factory OSD menu window
will appear.
3 Use the or button to select the OL option.
4 Press the Select button to highlight the Unlocked option on the menu.
5 Press the power button to turn the monitor off then turn it back on.