LG CineBeam PH450U Owner's Manual page 116

• High Altitude
If the projector is used at an altitude higher than 1200 meters, turn this on.
Otherwise, the projector may overheat or its protection function may be
activated. If this happens, turn the projector off and then on again after waiting
for several minutes.
• Blank Image
Selects a background for blank image.
• Auto Power
Makes the projector turn on automatically when the adaptor plug is inserted.
- On: When the AC/DC plug is connected to the projector, it turns on
automatically.
- Off: When the AC/DC plug is connected to the projector, it goes into standby
mode.
• Self Diagnosis
Troubleshoots functional problems that can arise while using the product.
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