DEMUX24 USER GUIDE
Zero88 Lighting Ltd, Usk House, Llantarnam Park, Cwmbran, Gwent NP44 3HD, U.K
www.zero88.com
Tel: +44 (0) 1633 838088 (24hr Answer Phone) Fax: +44 (0) 1633 867880 Email:
73-402-00 IM7752Demux24ManualIssue2.doc
Page 2 of 3
Memories:
The Demux24 will store 12 memories for stand alone
operation, these can only be re-called if there is no
DMX present.
1. Set-
up the scene using the ‘
Manual
’ control
function or a DMX controller.
2. Select
„Memory‟
using the ‘Mode’ button.
Using the ‘Up & Down’ Arrows select the required
memory number and press the ‘Enter’ button to confirm.
A ‘p’ should appear next to the memory to signify that it
has been programmed.
Holding both the ‘Up & Down’ Arrows for 1 second will
clear the selected memory. If these buttons are held for
5 seconds, ALL memories will be cleared.
Preheats:
Preheats can be selected on a per channel or all
channel basis. The preheat level is preset to 5% and
cannot be adjusted.
Select
„Preheat‟
by cycling through the modes using
the ‘Mode’ button.
Select required channel or ‘A’ for all channels, using the
‘Up & Down’ Arrows and press ‘Enter’, to confirm.
Now select on/off using the ‘Up & Down’ Arrows. Press
‘Enter’ to confirm and return to the channel selection.
Output Laws:
Four output laws are available, which can be selected
per channel.
Select
„Law
’ mode using the ‘Mode’ button. Using the
‘Up & Down’ Arrows select the channel required, or ‘A’
for all channels. Press ‘Enter’ to confirm. Now select
the law you require, again using the ‘Up & Down’
Arrows and press ‘Enter’ to confirm and return to the
channel selection.
Output Law
Main Display
Normal
n
Switch
S
Linear
L
Invert
in
Note that the Invert law is different to the voltage
polarity option described below. The Invert law results
in the output being at full scale voltage (either positive
or negative) for a DMX input value of 0%, and 0V for a
DMX input value of 100%.
Polarity:
Each output socket can be set to positive or negative
voltage polarity.
Select
„Polarity‟
mode using the ‘Mode’ button. Using
the ‘Up & Down’ Arrows select the socket required, or
‘A’ for all sockets. Press ‘Enter’ to confirm. Now select
the polarity (
„Pos‟
or
„Neg‟
) you require, again using the
‘Up & Down’ Arrows and press ‘Enter’ to confirm and
return to the socket selection.
Super User:
The Demux24 has a number of hidden functions,
located in the Super User Menu. The super user
menu’s can only be accessed from the
Default
mode
(No LEDs Lit). To enter Super User press and hold the
‘Up & Down’ Arrows together and press and hold the
‘Mode’ button for 5 seconds. All the mode LEDs will
flash to indicate the Demux24 is in super user mode.
The ‘Up & Down’ Arrows are used to cycle through the
various super user functions. Pressing the ‘Mode’
button at any point will revert to normal operation. If no
buttons are pressed after 20 seconds the Demux24 will
automatically revert to normal operation.
Lock/Unlock
Press the ‘Up & Down’ Arrows until the display shows
“LOC”.
Press ‘Enter’ to confirm this action. The
Demux24 will revert to the Default mode. Pressing the
‘Mode’ button now will only cycle between
Manual
Control
and
Default
Mode.
If Super User is entered when the Demux24 is locked,
only the unlock function will be available. The display
will show
“UNL”.
To unlock the Demux24, press and
hold the ‘Enter’ button for 5 seconds. The Demux24 will
unlock and exit super user returning to the Default
mode.
DMX Termination:
Press the ‘Up & Down’ Arrows until the display shows
“ter”
. If the Demux24 is terminated a dot will appear at
the bottom of the last segment. Pressing the ‘Enter’
button will toggle between the two states.
CAUTION
TO AVOID POSSIBLE DAMAGE TO EQUIPMENT,
TAKE CARE TO MATCH THE POLARITY SETTING
ON THE DEMUX24 TO THAT REQUIRED BY
CONNECTED EQUIPMENT.
