ViewSonic VP171 Service Manual page 36

4). OSD Lock :
Press “ ” and “
1
OSD will unlock.
5). Power Lock :
Press “ ” and “
1
the Power will unlock.
ViewSonic Corporation
” buttons simultaneously for 10 seconds, and the OSD will lock. Repeat the action, and the
” buttons simultaneously for 10 seconds, and the Power will lock. Repeat the action, and
31
Confidential – Do Not Copy
VP171/b/s