EM24, EM64, and EM264 Addressing

EM24

The EM24 has two thumb wheels.
Wheels = (1st Dimmer + 5) / 6 

Examples: 

Start = 1;      Wheel = 01        
Start = 13;    Wheel = 03        
Start = 25;    Wheel = 05        
Start = 49;    Wheel = 09        
Start = 97;    Wheel = 17        
Start = 193;   Wheel = 33

EM64

The EM64 has either one thumb wheel or internal jumpers.
If the EM64 has no thumb wheel, the starting address is set by jumpers located on J1 jumpers 1 thru 4.
Wheel Start# J1 J2 J3 J4
1 1 Off Off Off On
2 49 Off Off On Off
3 97 Off Off On On
4 145 Off On Off Off
5 193 Off On Off On
6 241 Off On On Off
7 289 Off On On On
8 337 On Off Off Off
9 385 On Off Off On
10 433 On Off On Off

EM264

The EM264 has three thumb wheels.

- For installation racks, thumb wheel is set to rack number (1-64)
- For touring racks, thumb wheel address is set to the DMX512 address of the first dimmer in the column that that EM264 controls