Re: [neonixie-l] unknown round multi-character Panaplex

[Instrument Resources of America]

You're in luck. I just happen to be an FAA certified pilot. I'd almost 
stake my life on it that this is the display from a VOR (Vhf Omni Range) 
instrument panel display, used for aircraft navigation. My Cessna has 
two of the older style, non electronic type in it. It's a dead give away 
due to the "TO" and "FR". When your aircraft is approaching a VOR , the 
VOR being stationary on the ground, it will show "TO", meaning that you 
are going to the VOR, after you pass directly overhead it will switch to 
"FR" ., meaning that you are going from that particular VOR. It appears 
that there are also graduated scales to show how far left or right of 
your course you are. The digits are the course 0-360 degrees that the 
pilot has selected. There are thousands of land based VOR's around the 
globe used for aircraft navigation. If you'd like more info go here, 
https://en.wikipedia.org/wiki/VHF_omnidirectional_range   Ira.



On 2/29/2016 2:16 PM, Jonathan F. wrote:
Hi
I want to share this display, because its awesome!
I picked up a very special panaplex on ebay. It has a Burroughs-Logo 
on the PCB so i guess it was made / sold by burroughs. Sadly all the 
prints on the PCB were not any useful to find something about this 
display.
I will try to figure all pins out and then create a driving circuit.

1.) It has two 3-digit 7-Segment panaplex on it, those are multiplexed 
because all cathodes are in common, anodes are different. It also has 
an up and down arrow by the digits.
2.) It has the words TO and FR. Whats really interesting here is, that 
the parts of the letters are controlled individually, so the O is 
basically a 4-segment display.
3.) It has 4 multiplexed bargraphs on it, they either start in the 
middle, or on the outside, or can be used both way (did not figured 
this out yet)

So...what could be the use of this display?

I guess the "TO/FR" could be TO and FROM ? The digits could be speed, 
weight, distance or something else?

I don't really have an idea what the bargraphs are for...direction... 
maybe position?..

Notice the red and gold connector on the pcb (no its not a 
potentiometer), it is a little locking connector (screwlock like bnc) 
with gold pins on it.


Any info would be great, but i don't have much hope...


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