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where to start with dmx
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nuclearbass View Drop Down
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    Posted: 13 January 2013 at 3:40pm
Hi guys ive finally got my system to a place im happy with, now on to the lights.

i have the following at my disposal, and have all the files for limelight verse and the dongle etc, 

4x acme dyna scans
2x acme mighty spot moving heads
4x stairville led battons
1x kam fscan 40 laser
2 x abstract galactic moons


so where do i start in knowing the dipswitch and LED display address settings to get me started, a push in the right direction for some usefull info and guidance is what im after,

cheers in advance 
rich )
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norty303 View Drop Down
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Points: 8800 		Post Options Post Options   Thanks (0) Thanks(0)   Quote norty303 Quote  Post ReplyReply Direct Link To This Post Posted: 13 January 2013 at 5:21pm
In the software you will 'patch' each fixture with a start DMX address.
So, if you a scanner with 4 channels and you patched it at address 10, it would occupy channels 10,11,12,13.
You then set the scanner to channel 10.
You need to make sure that no channels overlap, most software will warn you about this.
Personally, if I have the channels free I like to patch groups of fixtures starting nn1. E.g I might patch scans starting at 101, strobes at 201, pars at 301,etc. And sometimes I might do each fixture as well, so the scans might be 101,111,121,131,141,etc. it is wasteful of channels, but can make it easier to remember the required address when settings heads after doing the desk patch, especially if the desk is at front of house and you've no-one to call them for you
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Amplighting&sound View Drop Down
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Points: 359 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Amplighting&sound Quote  Post ReplyReply Direct Link To This Post Posted: 13 January 2013 at 5:22pm
Hello first down load a dmx calculater app its wicked then find all your light manuls as they will tell u what dip switchs do what and u might find s ome of your lights maybe crossed dmx so u will need to find this out first if u wanted to link all lights on one line
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nuclearbass View Drop Down
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Points: 9050 		Post Options Post Options   Thanks (0) Thanks(0)   Quote nuclearbass Quote  Post ReplyReply Direct Link To This Post Posted: 13 January 2013 at 5:30pm
ok i think i understand, i know that each light will have x amount of channels for light gobos etc etc

so to controll each scanner independantly it would be scanner 1 = channels 1234 || scanner 2=4567 and so on??

right ok, the led bars have 3 segamnts which ive been told work in slave master mode, so does this mean to run each segment seperate id have to do the same, segment 1=10 11 12 13 segment 2=14 15 16 17.?

im guessing the laser pretty straight forward., and same with the galactics.....

how do i find out if my lights are crossed dmx?
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norty303 View Drop Down
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Points: 8800 		Post Options Post Options   Thanks (0) Thanks(0)   Quote norty303 Quote  Post ReplyReply Direct Link To This Post Posted: 13 January 2013 at 7:13pm
I have no idea what he means by crossed DMX. He may mean that you could have channels overlapping, but that is purely a function of you patching badly rather than any issue with the fixture.
The LED bars slave mode is irelevant when used on DMX. you should be able address each segment as if it is a single RGB fixture. The same profile for a 3 ch LED par should work for each segment, assuming they don't have some other funky control channels.
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nuclearbass View Drop Down
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Points: 9050 		Post Options Post Options   Thanks (0) Thanks(0)   Quote nuclearbass Quote  Post ReplyReply Direct Link To This Post Posted: 13 January 2013 at 7:21pm
ok i see what you mean norty, im guessing it will be a little easier whne i have the softwere in front of me, i just need to find the manuals for the lights now, or will the nice people at limelight already know how many channels each one of my fixtures needs?
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dylan-penguinmedia View Drop Down
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Crossed DMX may mean some lights have the pins swapped - like some older amps might on the audio side. Some older Martin Lights are this way inclined. You can make up leads or get polarity swappers from CPC for a quid or two.
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norty303 View Drop Down
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Points: 8800 		Post Options Post Options   Thanks (0) Thanks(0)   Quote norty303 Quote  Post ReplyReply Direct Link To This Post Posted: 13 January 2013 at 9:01pm
Ah yes, I see it now!

What lights in use today have reversed polarity DMX other than the 218,812,518 Martin Roboscan series?
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dylan-penguinmedia View Drop Down
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Originally posted by norty303 norty303 wrote:

Ah yes, I see it now!

What lights in use today have reversed polarity DMX other than the 218,812,518 Martin Roboscan series?


Who knows.... I've a Martin Imagescan that is... But seeing as its spent the last year or so on my bench, I don't class that as 'in use today' haha!
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imageoven View Drop Down
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Points: 2199 		Post Options Post Options   Thanks (0) Thanks(0)   Quote imageoven Quote  Post ReplyReply Direct Link To This Post Posted: 13 January 2013 at 9:48pm
Abstract use reversed polarity DMX, at least vrx's do - worth checking the galactic moons...
Keep pushing on, things are gonna get better.
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nuclearbass View Drop Down
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Originally posted by imageoven imageoven wrote:

Abstract use reversed polarity DMX, at least vrx's do - worth checking the galactic moons...

cheers for that mate, probably save med some head scratching
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nuclearbass View Drop Down
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Points: 9050 		Post Options Post Options   Thanks (0) Thanks(0)   Quote nuclearbass Quote  Post ReplyReply Direct Link To This Post Posted: 13 January 2013 at 10:09pm
heres the galactic moon

(pin 3 cold, pin 2 hot, pin 1 grounded) is that normal? or reversed?
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