R5910032 /00 Freya202
10.1 Allocating a macro to a general purpose input
(GPI)
Location & access
Menu: Configuration > Projector automation > GPI
Level: Administrator, Service technician
What is rising and falling edge?
The status of a General Purpose Input (GPI) can be either high or low. This means the following:
• Low: The voltage between GPI P and GPI N is lower than or equal to 0.5V.
• High: The voltage between GPI P and GPI N is higher than or equal to 5.0V.
This translates in the GPI menu into Rising edge and Falling edge. This means the following:
• Rising edge: The GPI goes from a low status to a high status (e.g. from 0.5 to 5 V).
• Falling edge: The GPI goes from a high status to a low status (e.g. from 5 to 0.5 V).
What is possible?
The GPI menu allows you to allocate a macro file to a rising edge and/or falling edge on one of the general
purpose inputs (GPI) of the projector.
There are 8 GPIs available on the projector but only five of these inputs are configurable. The other three are
pre-defined and cannot be modified:
• GPI 1 is reserved for 3D L/R input references. This reference indicates which frame is Right and which
frame is Left depending and the used polarity. For more info, see 3D settings.
• GPI 2 is reserved for 3D L/R display references. The reference indicated which frame of eye data will be
displayed during a specific display frame.
• GPI 3 is reserved for power control.
Menu overview
Each GPI displayed has a name (reference 1) and a state (reference 2).
Configuration - Projector automation
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