Canon RE-350 manual Description Command Data Packet, Zoom Commands, Wide Zoom Constant Speed

3.0Description Command Data Packet

3.1Zoom Commands

Wide Zoom: Constant Speed

•Function:

Moves the zoom lens in the wider direction at a constant speed. This operation will be stopped with the reception of the <Stop Zooming> command or if the zoom lens reaches the wide-end limit.

•Timing of the “C-response Packet” sent to the PC: Right after the zoom lens start to move.

•The parameter of the “C-response Packet”: $0000 fixed

•The maximum operation time (msec): 500 millisecond

•Command format:

Header ID number Command Parameter MSH Parameter LSH

$10

$ 8 *

$ 0 0

$ 0 1

$ 0 0

Note: The speed of the zooming will be constant from the beginning to the end of this operation. This is different from when the {ZOOM WIDE} button on the front panel is pushed. If the {ZOOM WIDE} button is pushed and continues to be pushed for longer than one second, the zooming will increase to a faster speed.

Wide Zoom: Step

•Function:

Moves the zoom lens in the wider direction one step. This operation will be stopped automatically after the zoom lens has stopped.

•Timing of the “C-response packet” sent to the PC: Right after the zoom lens stops.

•The parameter of the “C-response packet”: $0000 fixed

•The maximum operation time (msec): 2000 millisecond

•Command format:

Header ID number Command Parameter MSH Parameter LSH

$10

$ 8 *

$ 0 0

$ 0 3

$ 0 0

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