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page 6.12
6. Appendix Digital Projection LIGHTNING 35HD User Manual
Remote communications protocol
Version 1.2 Patch A
Each command string sent to the projector should start with character 0x0a and end
with character 0x0d. If you are using Windows Hyperterminal, then this will be taken
care of by the Ascii Setup described on the previous page.
Prefix each command with:
"[id],[user],[time],[date],[command priority],[projector id],[projector name],"
for example:
1234,external,16:37:31,01/04/2004,5,543210,DPL-123,
example lens command (close shutter)
1234,external,15:20:25,14/10/2004,5,543210,DPL-123,lens,move,write,s,c,0,0
example lens command (open shutter)
1234,external,15:20:30,14/10/2004,5,543210,DPL-123,lens,move,write,s,o,0,0
Image commands
Image Brightness
Used to set and query image brightness (lift) levels.
CALL : "image,brightness,write,r,[level],g,[level],b,[level],o,[level],a,[mode]"
: Where [level] is -0.5 to 0.5 in steps of 0.001
: and [mode] is either "on" or "off"
: 'o' is overall level - only valid if 'a' is set to 'off'.
: 'a' is auto level control.
RETURNS : "[msg id],ACK,brightness,r,[level],g,[level],b,[level],o,[level],a,[mode]"
: OR
: "[msg id],NAK,brightness"
CALL : "image,brightness,read,[urgency switch]"
NOTE : Urgency switch is currently ignored (can be set to 0).
RETURNS : "[msg id],brightness,[r level],[g level],[b level],[o level],[a mode]"
: OR
: "[msg id],NAK,brightness"
Notes
Details of how to connect to the
projector, using the serial
control input or via a LAN, can
be found on the previous page.