page 6.22
6. Appendix Digital Projection LIGHTNING 35HD User Manual

Lens Goto Absolute Position

Used to move lens to absolute co-ordinates.
CALL : "lens,goto,write,h,[hpos],v,[vpos],f,[fpos],z,[zpos]"
: Where hpos, vpos, fpos and zpos are values probably obtained from a
'goto read'
NOTE : Any one or all axis may be driven at the same time.
RETURNS : "[msg id],ACK,goto"
: OR
: "[msg id],NAK,goto"
CALL : "lens,goto,read,[urgency switch]"
NOTE : Urgency switch is currently ignored (can be set to 0).
RETURNS : "[msg id],goto,[hvfz],[hpos],[ypos],[fpos],[zpos],[spos]"
: where h,v,f and z are either an axis letter or dash. A letter present
indicates that
: axis is still moving. (eg "H-F-" means that Horizontal and Focus are still
moving)
: [spos] is the shutter position either "o" for open or "c" for closed.
: OR
: "[msg id],NAK,goto"

Lens Goto Centre

Used to centre lens mount.
CALL : "lens,gotocentre,write"
RETURNS : "[msg id],ACK,gotocentre"
: OR
: "[msg id],NAK,gotocentre"

Lens Calibrate Zoom

Used to calibrate zoom range.
CALL : "lens,calibratezoom,write"
RETURNS : "[msg id],ACK,calibratezoom"
: OR
: "[msg id],NAK,calibratezoom"
Notes