Telemax RGB Color board

[Steven Hirsch <snhirsch@gmail.com>]

Does anyone know anything about this card?  I was kindly given one, but the 
owner did not recall exactly what it was.  The board has three individual 
wires with mini-clips on the end and a ribbon cable for a 9-pin external 
connector.  There are four pots across the top of the board, labeled:

Green Bal, Red, Green, Blue.

The card is screened:

Telemax, Inc.
Warrington, PA

RGB COLOR BOARD APPLE //

The model is: COLORMASTER.

I found only oblique references to it on the web, referring to it as a "Slot 7 
video adapter".

The three clips emerge from pads on the card labeled:

GR  --> Grey Lead
14M --> Green Lead
Ae  --> Blue Lead
A+  --> n/c

Clearly this is configured for a IIe.  Now, I just need to find out what it 
requires for software and monitor and where those clips attach.

Any input will be helpful, even if it's guesswork!

Steve