Planar Systems PT1545R 15" 4:3 Resistive Touch Point of Sale LCD Monitor - Manual (Page 19)

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Powering off the monitor
Powering off the monitor requires 3 presses to the power key. This is designed to prevent
accidental power off.
1. Press the power key once, an OSD window will pop up “Do you want to turn off”.
2 Press the power key again. Another OSD window will pop up “Please press the power
button again”
3. Press the power key one last time to turn off.
4. If you do not press the power key in five seconds, the OSD window will be gone and
return to the normal status instead.
Source Select
During On mode: Pressing “Select” key for 3 seconds, will pop up “source select” OSD.
During Sleep Mode: Pressing “Select” key for 1 seconds, will pop up “source select” OSD.
Factory Mode
This mode is reserved for maintenance.