Channel 13 - Effect-wheel
0 - 70 Full beam
71 - 230 Beam-shaper
231 - 255 Frost-filter
Channel 14 - No function
Channel 15 - Shutter, Strobe
0 - 31 Shutter closed
32 - 63 No function (Shutter open)
64 - 95 Strobe-effect from slow to fast (max. 10 flashes/second)
96 - 127 No function (Shutter open)
128 - 159 Pulse-effect in sequences
160 - 191 No function (Shutter open)
192 - 223 Random strobe-effect from slow to fast
224 - 255 No function (Shutter open)
Channel 16 - Dimmer intensity
0 - 255 Gradual adjustment of the dimmer intensity from 0 to 100 %
Function of the control channels - 8 bit protocol:
Addressing
The Control Board on the top side of the MH-640 allows you to assign the DMX fixture address, which is
defined as the first channel from which the MH-640 will respond to the controller.
If you set, for example, the address to channel 5, the MH-640 will use the channel 5 to 20 for control.
Please, be sure that you don’t have any overlapping channels in order to control each MH-640 correctly and
independently from any other fixture on the DMX data link.
If two, three or more MH-640 are addressed similarly, they will work similarly.
For address setting follow this procedure:
1. Switch on the MH-640 and wait until the fixture reset has finished ("rSt" is flashing at the display).
2. Press the [Mode] key in order to access the main menu. Browse through the menu by pressing the [Up]
and [Down] keys until the display shows "A001". Confirm by pressing [Enter] key and the letter "A" will
flash.
3. Use the [Up] and [Down] keys to select the desired address.
4. Confirm by pressing [Enter] or [Mode] to cancel.
Controlling:
After having addressed all MH-640 , you may now start operating these via your lighting controller.
Note:
After switching on, the MH-640 will automatically detect whether DMX 512 data is received or not. If there is
no data received at the DMX-input, the display will start to flash "A001" with actually set address.
This situation can occurr if:
- the 3 PIN XLR plug (cable with DMX signal from controller) is not connected with the input of the MH-640
- the controller is switched off or defective, if the cable or connector is defective or the signal wires are swap
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