page 6.17
Digital Projection LIGHTNING 35HD User Manual 6. Appendix

Input Capture Offset

Used to set and query image capture offset.
CALL : "image,inputcaptureoffset,write,c,[cols offset],r,[rows offset]"
: Where [cols] is the number of pixels offset from centre
: and [rows] is the number of lines offset from centre.
: Positive values move the image down and right and negative move
the image up and left.
RETURNS : "[msg id],ACK,inputcaptureoffset,c,[cols offset],r,[rows offset]"
: OR
: "[msg id],NAK,inputcaptureoffset"
CALL : "image,inputcaptureoffset,read,[urgency switch]"
NOTE : Urgency switch is currently ignored (can be set to 0).
RETURNS : "[msg id],ACK,inputcaptureoffset,[cols offset],[rows offset]"
: OR
: "[msg id],NAK,inputcaptureoffset"
Notes