ELRO DWH SERIES VIDEO SECURITY SYSTEM - Manual (Page 30)

Screen Auto Lock
In Auto Lock mode, the monitor will enter screen lock mode after it has
been idle for 2 minutes. Auto Lock disables the touch screen and removed
the icons from the display.
1. Tap Screen Auto Lock
2. Tap your selection; a check mark displays.
3. Tap the BACK arrow to return to the previous screen.
Note:
From the Live screen, tap the Power button once to unlock the screen and
return to normal touch screen operation.
Time
The Time screen lets you set up clock alarms, set the system time, and
set a timer.
  
30