User guide

User Manual ET1902L, ET2202L, ET2402L, ET2702L
14
OSD and Power Lockouts
Press and hold the “Menu” and “ ” buttons simultaneously for two seconds to enable/disable the OSD Locking feature. When OSD Locking is enabled,
pressing any of the Menu, Up, Down or Select keys will have no effect.
Press and hold the “Menu” and “ ” buttons simultaneously for two seconds to enable/disable the Power Locking feature. When Power Locking is
enabled, pressing the power switch will have no effect.