Tyco Electronics 1520 User Manual

Elo TouchSystems  1520 User Guide    16

The On Screen Display (OSD) feature can be locked out (disabled) if desired.  To enable

this feature, when the OSD is not present, simultaneously press the UP and Down

buttons until OSD LOCKED appears on the screen (approximately five seconds).  To re-

enable the OSD function again, simultaneously press the UP and Down buttons until

OSD UNLOCKED appears on the screen (approximately five seconds).