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on the channel indicated by the start address. For example, a fixture that occupies or uses 6 channels
of DMX and was addressed to start on DMX channel 100, would read data from channels: 100, 101,
102, 103, 104, and 105. Choose start addresses so that the channels used do not overlap and notate
the start address selected for future reference.
If this is your first time addressing a fixture using the DMX-512 control protocol than I suggest jumping
to the Appendix Section and read the heading "DMX Primer". It contains very useful information that
will help you understand its use.
Set the start address using the group of DIP switches located usually on bottom of the fixture. Each
dip switch has an associated value. Adding the value of each switch in the ON position will provide
the start address. Determining which switches to toggle ON given a specific start address can be
accomplished in the following manner. By subtracting the largest switch value possible from the
selected start address which does not cause a negative number.
E
XAMPLE
A
DDRESS
Address 10
Pin # 4
Pin # 2
Total
Address 24
Pin # 5
Pin # 4
Total
Resolving address
using simple math.
Address 233
DMX-150SQ User Manual
S
TARTING
= 8
= 2
= 10
= 16
= 8
= 24
233 – (128) = 105, Turn ON Dip # 8
105 – (64) = 41, Turn ON Dip # 7
41 – (32) = 9, Turn ON Dip # 6
9 – (8) = 1, Turn ON Dip # 4
1 – (1) = 0, Turn ON Dip # 1
You will most likely use the first available
number which maybe number 1. This
number was selected for example
purposes.
10
OPTION
9
256
8
128
7
64
6
32
5
16
4
8
3
4
2
2
1
1
10
OPTION
9
256
8
128
7
64
6
32
5
16
4
8
3
4
2
2
1
1
9
Operating Instructions
D
S
(DMX V
)
IP
WITCH
ALUE
1
1
2
2
3
4
4
8
5
16
6
32
7
64
8
128
9
256
10
2005-05-05/09:34
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