Dmx Operation - NJD Electronics SPECTRE User Manual

User Guide
Connecting the data leads.
The spectre is provided with 5-pin XLR connectors for the DMX.
Data+ is on pin 3 and Data- on pin 2. Pin 1 is earth. Connect a
lead from the DMX controller to DMXin on the first lantern.
Connect a DMX lead from DMXout on the first lantern to DMXin
on the second, from DMXout on the second to DMXin on the
third, and so on.
If the Spectre is the LAST lantern in the chain, then it is
necessary to "terminate" the DMX line. This is done by plugging a
"terminator" into the (otherwise unused) DMXout socket of the
last lantern. A "terminator" is a XLR plug with a 120W resistor
between pins 2 and 3.
The LED lights red when the Spectre is switched on and changes
to yellow when it receives a valid DMX signal.
Setting the DIL switches
There are two DMX modes available:
MX90 mode and 3-channel mode
MX90 mode.
This refers to the new 8-channel protocol which will be
incorporated into all new NJD luminaires and controllers. Select
MX90 mode if you are using an MX90-compatible controller, or
the SFC1 DMX remote controller, or if you are using a Merlin or
other DMX lighting control desk and wish to access features such
as flashing or colour scrolling. Set both "mode" switches OFF.
NJD's MX90 protocol uses 8 DMX channels for every product.
The allocation of the channels is consistent throughout all
products complying with the protocol. This protocol will be used on
all future products and controllers.
The channels are:
Channel 1:
Channel 2:
Channel 3: colour (plus colour scrolling)
Channel 4: gobo or colour saturation
Channel 5:
Channel 6: strobe/blackout
Channel 7:
Channel 8: brightness.
© N.J.D. Electronics 1998

DMX operation

x-position (pan) or dish rotation
y-position (tilt)
speed
gobo rotation
Spectre
DMX ADDRESS
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