Chauvet a 2009-06-04, 10:14 user manual

Setting the Starting Address

If this is your first time addressing a fixture using the DMX-512 control protocol, you should skip to the Appendix and read the “DMX Primer” section. It contains very useful information that will help you understand how it works.

Set the starting 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 starting address. The following instructions will help you to figure out which switches to toggle ON given a specific starting address:

1)Determine the largest value switch that is less than the starting address. Turn this switch on.

2)Subtract the value of the switch you just turned on from the starting address number.

3)Determine the largest value switch that is less than the remainder from the previous subtraction. Turn this switch on.

4)Subtract the value of the switch you just turned on from the remainder of the previous subtraction.

5)Repeat steps three and four until you have a remainder of zero.

EXAMPLE STARTING ADDRESS

Address 10

Switch # 4	= 8
Switch # 2	= 2
Total	= 10

Address 26

Switch # 5 = 16

Switch # 4 = 8

Switch # 2 = 2

Total = 26

Resolving the starting address using simple math.

Address 233

		256	128	64	32	16	8	4	2	1
		9	8	7	6	5	4	3	2	1
										ON
										OFF
256	128	64	32	16	8	4	2	1
9	8	7	6	5	4	3	2	1
									ON
									OFF
233 – (128) = 105 - Turn ON Dip # 8							DIPSWITCH (DMX VALUE)
105 – (64) = 41 - Turn ON Dip # 7								1		1
								2		2
41 – (32) = 9 - Turn ON Dip # 6								3		4
								4		8
9 – (8) = 1 - Turn ON Dip # 4								5		16
								6		32
1 – (1) = 0 - Turn ON Dip # 1								7		64
								8		128
								9		256

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