![background image](http://html.mh-extra.com/html/barco/mdsc-8255-mna/mdsc-8255-mna_user-manual_473706022.webp)
4. Daily operation
Brightness
50
Image 4-4
4.6
OSD menu locking/unlocking
About the OSD lock
As described in "OSD lock", page 31, the OSD lock can be enabled to avoid unwanted access. When the
OSD is locked, pressing the
key after unlocking the keyboard will not activate the OSD menu, but will
make the
OSD lock
window appear. The OSD menu can only be accessed after pressing a sequence of
keys.
To lock/unlock the menu
When the
OSD lock
window appears, press the following key sequence to unlock the OSD menu:
, , ,
Each time a key is pressed an asterisk is shown in the square boxes.
After pressing the fourth key, if the sequence is correct, the OSD main menu is activated. After exit, the
OSD menu will automatically lock again.
OSD lock
Sequence:
5
-
6
-
6
-
3
Image 4-5
20
K5902133 (451920612482) MDSC-8255 23/11/2017