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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-660
- the controller is switched off or defective, if the cable or connector is defective or the signal wires are swap
in the input connector.
Note:
It's necessary to insert the XLR termination plug (with 120 Ohm) in the last lighting in the link in order to
ensure proper transmission on the DMX data link.
Remotely controllable functions
Lamp
The MH-660 is to be operated with a MSD 230 V/250 W GY-9.5 or MSD 230 V/200 W GY-9.5 lamp.
A relay inside of the MH-660 allows you to switch on and off the lamp via the Control Board on the top side
or via your controller without affecting the rest of the lighting.
Switching on and off the lamp via the Control Board
1. Switch on the MH-660 and wait until the fixture reset has finished.
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 "LAMP". Confirm by pressing [Enter] key.
3. Use the [Up] and [Down] keys to select "On" for switching on the lamp and "Off" for switch off the lamp
and press [Enter] to confirm or [Mode] to cancel.
Note :
It is also important to note that the discharge lamp is a cold restrike type, which means that it has to be cold
before re-striking. For this reason, you have to wait 5 minutes (max. speed of fan must be adjusted) after
having switched off the lamp before you can switch it back on again. If you try to switch on the lamp within 5
minutes after having switched it off, the MH-660 will store this information and automatically ignite the lamp
when the 5 minutes period has expired. The message "HEAt" will appear on the control board display at the
back side of the MH-660. If the ignition of the lamp is seven times unsuccessful, on the display will appear
"LA.Er", meaning that the lamp could be damaged or even missed, or there could be a failure on the ignitor
or ballast.
Colour-wheel
The MH-660 features a colour-wheel with 12 color positions - 11 of these with dichroic colors and the last
one open. The wheel can be positioned between two adjacent colors in any position. It is also possible to
rotate the color-wheel continuously at different speeds - the so-called "Rainbow effect" is created.
Rotating gobo-wheel
The rotating gobo-wheel includes 4 metal gobos, 1 glass gobo and 1 multicolor dichroic gobo rotating in both
directions, indexable, rotating gobo wheel cont. rotation slow to fast. The multicolor dichroic gobo (containing
C,M,Y colors) can be combined with the color-wheel especially with cyan, magenta and yellow colours in
order to obtain several different multicolor beams. The gobos have an outside diameter of 27 mm and an
image diameter of 23 mm.
3-facet rotating prism
3-facet prism rotating in both directions at different speeds.
Focus
Motorized focus enables the beam to be focused anywhere on stage.
Dimmer / Shutter / Strobe
Smooth 0 - 100 % dimming is provided by the combined mechanical dimmer / shutter unit. This unit may also
be used for strobe-effects (1 - 10 flashes per second)
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