Appendix A
Studio Command™ DMX Protocol
74 Studio Command Series User Manual
10
Shutter
Function
Normal Shutter Functions
(No lamp or dimming functions selected in Control channel)
Close 0-23 0-9 00-17
Periodic Strobe, Mechanical from 1-4Hz operation 24-27 9-10 18-1B
Periodic Strobe, Electronic from 5-33Hz operation 28-49 11-19 1C-31
Random Random Strobe 50-75 20-29 32-4B
Synchronous Random Strobe 76-101 30-40 4C-65
Open 102-255 41-100 66-FF
Lamp Assisted Strobes (Accessed when the Control channel range = 134-137)
The shutter functions are the same as in the normal shutter function range.
Periodic random random and random synchronous strobes are lamp assisted.
Lamp functions. (Accessed when the Control channel range = 138-141)
The shutter functions are the same as in the normal shutter function range.
Periodic random random and random synchronous strobes are lamp assisted.
Lamp Dimming only. (Accessed when the Control Channel range = 146-149)
The shutter functions are the same as the normal shutter function range.
Dimming is accomplished electronically, lowering the lamp power. Dimming will
not go to black. Strobes are mechanical and will go to black.
11 Dim
Close 0 0 00
Open 255 100 FF
12 MSpeed
Disable 0-3 0-1 00-03
Longest (252.7 sec.) 4 2 04
Shortest (0.15 sec.) 255 100 FF
13
Macro
Note 1)
Macro Off 0-5 0-2 00-05
Pan sweep, small to large angle 6-62 2-24 06-3E
Macro Off 63-65 25-25 3F-41
Tilt sweep, small to large angle 66-122 26-48 42-7A
Macro Off 123-125 48-49 7B-7D
Clockwise circle, small to large 126-160 49-63 7E-A0
Macro Off 161-163 63-64 A1-A3
Counterclockwise circle, small to large 164-198 64-78 A4-C6
Reserved 199-255 78-100 C7-FF
Channel Parameter Description
Value
(dec.)
Value
(%)
Value
(hex)
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