Acer U5530 User Manual page 72

User Controls
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Information Hide
On: Choose "On" to hide the info message.
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Off: Choose "Off" to show the "searching" message.
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Information Hide
Keypad Lock
When the keypad lock function is "On", the Keypad will be locked
however, the projector can be operated by the remote control. By
selecting "Off", you will be able to unlock the Keypad.
Keypad Lock
Test Pattern
Display a test pattern. There are Grid, White Pattern and None.
Test Pattern
12V Trigger
Off: Choose "Off" to disable the trigger.
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On: Choose "On" to enable the trigger.
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12V Trigger
Off On
Off On
None
On