IOTA Systems Midi-Fader docs?

[Douglas R. Kraul]

Small world as I have one of these  too.

First contact information -don't know if it still works though:
    Iota Systems
    POBOX 8987
    Incline Village, NV 89450
    (702) 831-6302

The product is designed to provide MIDI volume control of up to 8 audio
paths.  Typically this would be used in the insert points in a mixing
console and as you summarized was used for MIDI mix automation.  Connection
is done via stereo insert jacks.  The TIP is input, the RING is output.  The
common insert cables you can buy work well.

Operation is very straight forward and really should not require the manual.
You can operate it in one of two modes - NOTE or CC.  In note each fader is
assigned a note number and the velocity is used to carry the fader setting.
In CC mode you can assign any CC message to carry the fader setting.

In operation you have the ability to attenuate the signal or mute it.  A
separate mute command is available.

Each of the eight channels can be setup to have its own MIDI channel, fader
control, and mute control.  programming is entirely from the front panel
menu system.

"Scenes" can be stored as programs and recalled via program changes.
Changing fader values using the rotary controller will transmit appropriate
midi messages to record.

I think it is pretty self explanatory and you should be able to use without
a manual.  BTW the power supply is a 15VDC wall wort with 300mA capacity.

Internally I think you will find an 8031 (8051 family) uP with RAM, ROM,
etc.  Also there are 8 12 bit multiplying DAC which are the attenuators.  So
as a platform for DIY this is not a bad deal!

I think you did well for $10!!!

Douglas Kraul

-----Original Message-----
From: Dan Gendreau <gendreau at rochester.rr.com>
To: Synth-DIY <synth-diy at mailhost.bpa.nl>
Date: Wednesday, October 06, 1999 7:38 PM
Subject: IOTA Systems Midi-Fader docs?


>I just bought an "IOTA Systems Midi-Fader" box from an online pawn shop.
>
>It appears to be something like a MIDI->8CV box used for mixing board fader
>automation, Circa 1987. The problem is it came with no docs and IOTA
Systems
>appears to be out of business.
>
>Does anyone have leads on documentation for this thing? Specifically, I am
>looking for the midi implimentation chart for it. I might be able to
>disassemble the EEPROM  to figure it out...
>
>If not, its no big deal. I only paid $10 for it. I figure the 2U rack case
>alone is worth that and it looks very easy to just gut it and replace the
>front panel.
>
>Thanks!,
>-Dan Gendreau
>