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LED Mushroom User Manual 8 Rev. 4
Setting the Starting Address
This DMX mode enables the use of a universal DMX controller device. Choose start addresses so that the
channels used do not overlap, and note the start address selected for future reference. 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. Figuring out which
switches to toggle ON given a specific start address can be accomplished by determining which switch values
will add up to the address value, and turning these switches on. Do so by doing the following:
1) Determine the largest value switch that is less than the start 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.
E
XAMPLE
S
TARTING
A
DDRESS
Address 10
Switch # 4 = 8
Switch # 2 = 2
Total = 10
Address 24
Switch # 5 = 16
Switch # 4 = 8
Total = 24
Resolving address
using simple math.
Address 233
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
DIPSWITCH
(DMX VALUE)
1
2
3
4
5
6
7
8
9
1
2
4
8
16
32
64
128
256
1
3456789
ON
OFF
1
2
4
8
16
32
64
128
256
13456789
ON
OFF
1
2
4
8
16
32
64
128
256
13456789
ON
OFF
1
2
4
8
16
32
64
128
256
13456789
ON
OFF
1
2
4
8
16
32
64
128
256
13456789
ON
OFF
1
2
4
8
16
32
64
128
256
1
2
2
2
2
2
23456789
ON
OFF
1
2
4
8
16
32
64
128
256
1
23456789
ON
OFF
1
2
4
8
16
32
64
128
256
123456789
ON
OFF
1
2
4
8
16
32
64
128
256
123456789
ON
OFF
1
2
4
8
16
32
64
128
256
123456789
ON
OFF
1
2
4
8
16
32
64
128
256
123456789
ON
OFF
1
2
4
8
16
32
64
128
256
123456789
ON
OFF
1
2
4
8
16
32
64
128
256