User Manual - Greenwich Instruments Ltd

User Manual - Greenwich Instruments Ltd
User Manual
Document Version: 2.0.0
Updated: 23-Feb-2012
GWDMX User Manual
The GWDMX is a DMX-512 compatible lighting controller, designed for use
by bands, DJ’s, displays and remote applications. The GWDMX has ten
programmable buttons, each button can hold a scene or a sequence of scenes,
making it a really simple controller to configure and use. It’s small size and low
power requirements means it can run from a battery pack when a mains socket is
not available.
Computer Installation and Setup
The GWDMX installs as a simple Human Interface Device (HID) and requires
no drivers. The device should be detected and installed automatically by your
operating system.
To configure the GWDMX buttons you will need to install the software, this
can be found on the product CD or downloaded from our website
The configuration software allows you to create a scene or sequence you can
assign to each button. A sequence consists of multiple scenes, triggered by the
button or at timed intervals. You can also configure the fade-time for each scene in
the sequence.
When connected to the PC, the blue status light should fade gently up and
down, this indicates a communication link. When connected to a 5V power supply
(with no USB data signals), the blue status light will remain static.
The GWDMX also has an Orange LED that can be configured to show the
status of either; the DMX output, button press or audio trigger.
When the buttons have been programmed with the desired scene or
sequence, press the relevant button to start that scene or sequence. If a sequence
is set to change on button push, the next scene in the sequence will be set on the
next consecutive button press.
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GWDMX User Manual
The main screen in the software has an image of the keypad on the GWDMX
to the right and a list of sequences (empty on first use) to the left.
The first thing you need to do is set the number of DMX channels you want
to control, this can be any value from 16 to 192 (16 being the default). Then you
are ready to create some new sequences. (Create New Sequence)
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GWDMX User Manual
The new screen “Basic Editor” is a basic DMX control board. Each channel
slider is numbered across the top and the current value (0 - 255) is displayed below.
To make things easier when setting up and editing sequences, the sliders can be
given custom labels. To edit/enter your labels, either double left-click under one of
the slider values or right-click for the context
menu and select Edit Channel names.
Also, from this context menu, you can
enter the channel values directly by entering
the numeric value. And, you can select to
display the value as percentage (0-100) or as an
actual numeric representation (0-255).
Enter a brief description into each box for the channels you are using and press OK
to save. Then, each time you open the editor, your channels will have these labels
to remind you what each one does.
Adjust the levels to the output you require. You can select multiple faders
by holding shift or ctrl keys. If you hold shift and select a fader, it will turn blue,
then you can select another fader (still holding shift) and it will group select from
the first selection to the second. Or, you can hold Ctrl and select individual faders.
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GWDMX User Manual
If you want to create a sequence with more than one scene, click the “New” or
“Copy” button, you can copy any scene and it will be added to the end. You can
step through and edit scenes by pressing the “Next” and “Back” buttons. By default
a sequence will advance to the next scene on sequential button presses, you can
change this to an automatic timed delay by selecting “Timed Auto Trigger” from the
trigger source and setting the “Trigger Time” fader. The trigger time is the total
time that scene is active for, at the end of that time it will advance to the next scene
or loop back to scene 1 if it is the last.
The “Fade Time” is the time taken to change from one scene to another, this
can be different for each scene in the sequence.
To make the fade or trigger the same for each scene in the sequence, tick
the “Common to all scenes” box and set the required value.
If the sequence has only one scene, another option is available in the Trigger
Type drop down. This is a non-latching button trigger. So, when the button is
pressed the scene will be played and when released the GWDMX will return to
where it was before the button press. Great for strobes and smoke machines.
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GWDMX User Manual
Enter a short and simple name for the sequence and click “Save Changes”.
You will be taken back to the main window and the new sequence will appear in the
list on the left.
If you need to edit a sequence, simply double left-click it in the list on the left
and the editor window will appear. Or, you can right-click a sequence to Create,
Edit, Delete or Copy.
To help visualise the effect, you can enable “Live output” of the DMX while
editing. With the GWDMX connected, check the box “Live output”, then when you
create or edit a sequence the actual DMX values will be outputted via the GWDMX.
You can even use the play feature in the editor to run through the sequence before
saving and transferring to the GWDMX.
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GWDMX User Manual
When you have all the sequences you require, simply drag them (one at a
time) from the list on the left and drop them on the button you want to assign on
the right. (Using the left-hand mouse button). To remove a sequence from a
button, double right-click the button.
Once you are ready, you can connect the GWDMX to a spare USB socket, the
software should automatically find the device and the “Transfer To GWDMX”
button should be enabled. Click the transfer button and all of the sequences will be
sent to the relevant button on the GWDMX.
(If you modify any sequences, you will need to transfer again to update the
GWDMX. You do not need to drag and drop the sequence onto the required button
again, as it is already linked to the button).
Hardware Configuration
When you have a GWDMX connected you can press the “Configure
Hardware” button and the Configuration Options window will appear, as below:
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GWDMX User Manual
You can have multiple devices connected and select the one to program by
selecting it from the drop-down box at the top. You can identify which device you
are controlling by clicking the “Identify Device” button, this will make the currently
selected GWDMX blue LED flash for a few seconds (rather than fade).
In hardware versions with firmware earlier than “0.2.8” you will need to set
the audio trip sensitivity. (pre June 2011)
To adjust the audio sensitivity, the audio level will be shown, adjust the
pointer below the level to set the sensitivity. The level should bounce above and
below the pointer in order to trigger sequences.
Hardware with firmware versions “0.2.8” onwards have an auto levelling
trigger and this option is disabled.
As mentioned earlier, the Orange LED can be configured to show one of the
following status’:
 Flash on DMX
 Flash on button push
 Flash on audio trigger
These can be selected from the “Orange LED” drop-down box.
If the unit is being used for commercial use, you can enable the “Resume
after power fail” option. By checking this option, the GWDMX will remember the
last button pressed and when the power is re-connected, it will continue from the
last scene played.
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GWDMX User Manual
The GWDMX can be used connected to the PC or powered using a mains USB
plug or a USB battery power pack. Once programmed, the sequences are run by the
relevant button and stored in on-board flash memory.
Cue Manager (V2.2.0.18+)
As an alternative you can use the GWDMX as a remote keypad to trigger
more than the ten sequences limited by hardware.
With the controller connected to an available USB port, run the GWDMX
Configuration Program and click “Cue Manager” or use the “Cue Manager” desktop
icon created on installation.
You can add your
sequences to the cue list by
clicking the “Add ..” button.
When you have added
all you need, you can toggle
each sequence (Run/Stop) by
entering the two-digit number for that sequence (ie. Sequence 2, press “02”). The
controller can also toggle the dedicated blackout by entering “00”.
Each sequence displays relevant information: Sequence Name, Current
Scene, Total Scenes and the used DMX channels (taken from the first non-zero fader
to the last non-zero fader).
Here you can see sequence 1 is called “RGB”, it is currently on scene 3 of 3
and controls DMX channels 1 to 4. Sequence 2 is called “RGB2”, is on scene 1 of 3
and controls DMX channels 5 to 8.
If I enabled the “No DMX Overlaps” option; this means that when a sequence
is running (sequence 3 in green) when I toggle 1 or 2, sequence 3 will be stopped.
This is because sequence 1 uses DMX channels 1 to 4 which are within the scope of
sequence 3, using DMX channels 1 to 16. Similar is true for sequence 2 listed.
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GWDMX User Manual
The “Blacking” option will allow sequences to keep running when stopped,
only the DMX output for that sequence will be blanked.
Each sequence has four control buttons:1. The first changes the state of the sequence:
red is stopped
green is running
2. How the sequence is played:
Loop - A continuous loop
Reb’d - Rebound (ie. 1-2-3-4-3-2-1-2-3-4-3-2-1….)
Once - The sequence will run once then stop
3. Previous scene (manual skip)
4. Next scene (manual skip)
To synchronise your sequences, there are global “Stop ALL” and “Reset ALL”
buttons. These will do as they say on the tin, “Stop ALL” will stop all sequences
from running and “Reset ALL” will reset all sequences to scene 1.
~~ end ~~
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GWDMX User Manual
USB Specification
USB Connection
DMX Connection
DMX Channels
85 x 51 x 23 mm
Operating Temperature
10 to 50 °C
Power Supply
Stand-Alone Current
Compatible Operating System
5V via USB-B
Windows XP/Vista/7
* Value may differ depending upon setup and hardware connected
DMX Pin out
1. Ground
2. Signal - (Negative/Cold)
3. Signal + (Positive/Hot)
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Sales: [email protected]
Technical: [email protected]
International Office: Greenwich Instruments Ltd
Meridian House
Park Road
Kent BR8 8AH
United Kingdom
Telephone: +44 (0) 1322 668 724
Facsimile: +44 (0) 1322 660 352
General Information: [email protected]
As part of our on-going effort to improve the value of our products, we reserve the right to change specifications without notice.
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