DEMUX 24 USER GUIDE
Zero88 Lighting Ltd, Usk House, Llantarnam Park, Cwmbran, Gwent NP44 3HD, U.K
Tel: +44 (0) 1633 838088 (24hr Answer Phone) Fax: +44 (0) 1633 867880
IM7752 Demux24 Manual Issue 1.0.doc www.zero88.com Page 2of 3
Memories:
The Demux 24 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:
Three 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
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 Demux 24 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 LED’s
will flash to indicate the Demux 24 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 Demux
24 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
Demux 24 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 Demux 24 is
locked, only the unlock function will be available. The
display will show “UNL”. To unlock the Demux 24,
press and hold the ‘Enter’ button for 5 seconds. The
Demux 24 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 Demux 24 is terminated a dot will appear
at the bottom of the last segment. Pressing the
‘Enter’ button will toggle between the two states.
Resetting The Demux 24:
Press the ‘Up & Down’ Arrows until the display shows
“rset”. Press ‘Enter’ to confirm. The display will flash
briefly to confirm this action. The Demux 24 will be
reset to its default settings, shown in the table below:
Set Up Parameter State
Manual Control Levels All Off
DMX Addresses Block patch at 001
DMX Fail Mode Hold Last State
Memory Memory Cleared
Preheat Off (0%) for all channels
Law Normal law for all
channels
Polarity Positive for all output
sockets
DMX termination Disabled
Firmware Version:
To identify which version of firmware is loaded in the
Demux 24, press the ‘Up & Down’ Arrows until the
firmware version is shown in the display (e.g. 01.00)
The ‘Enter’ button has no use here. (The firmware
version will also be shown briefly on start up).
