
If you are using low-cost DMX fixtures with an FTDI type DMX interface and you are
experiencing problems with those fixtures - such as ‘twitching’ - it is possible that the default DMX
Refresh Rate
(40 per second) is too fast for those fixtures. To remedy this you can try reducing the
refresh rate using this section of the dialogue box. The
Break Time
and
MaB
settings should not need
to be changed.
Pulsar PMX on -
you can select, using this drop-down menu, which RS232 port to use if you have
selected
Pulsar PMX
as an output device.
If you are experiencing problems where the DMX interface is 'locking up' due to mains power
fluctuations, faulty DMX fixtures sending spikes back down the DMX line etc. Then ticking the
Reset On Error
item in this section will instruct ShowMagic to attempt to reset the interface if it
finds that it has lost communication with it.
Please Note
Due to the nature of such errors it is not always possible for ShowMagic to reset the interface, and
in any case, the cause of these errors should be discovered and rectified at the source.
Settings On Boot
- this item should be ticked if you are using a DMX interface that requires
initialising every time it is used. Some of the interfaces that use the 'DMX USB Open' drivers
require this.
MIDI Settings
Midi Output Devices
- A list of the available MIDI ports that ShowMagic has found is given here.
Click on the ports that you wish to enable for MIDI output.
Midi Input Devices
- A list of the available MIDI ports that ShowMagic has found is given here. Click
on the ports that you wish to enable for MIDI input.
Threshold
-
When using options for starting / stopping and controlling the level of an event on an
action button the minimum threshold MIDI value that will trigger the event can be set here from
000
to
010
.
Action Trigger On
- If this box is ticked then any action buttons set to be controlled by MIDI will be
enabled. If it is not ticked then any MIDI inputs are ignored by the action buttons.
Display MIDI as Note
- by ticking this item, the first byte (
B1
) on the
MIDI
Monitor display will be
shown as a note and not as a value.
DMX to Midi
- If you are using a MIDI dimmer pack then you can select
DMX to Midi On
, select the
MIDI port to use for MIDI lighting control output from the drop-down menu, select the MIDI
Channel -
Midi Ch.
(
1
to
16
) - and the DMX address range
1
- 2
4
. Now if any DMX fixtures have
been set to the channels within that DMX address range (on the first DMX universe) they will
receive lighting control instructions via MIDI rather than DMX.
Section 13 - Main Desk Screen Options Menus
185
Summary of Contents for AV
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