Electronics > Repair
Advantest R6581 VFD replacement
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chekhov:

--- Quote from: IanJ on December 18, 2024, 07:54:38 pm ---The biggest font is 32x32 pixels, but it supports multipliers on top of that to scale it up. I am using a 16x32 font and scaling that up which works out just right for the MAIN display

--- End quote ---
I must have missed that piece, thanks.


--- Quote from: IanJ on December 18, 2024, 07:54:38 pm ---I only created a new character for the OHM symbol.

--- End quote ---
Oh ... omega. Once I tried to create vector font for K2000/K2001, but something went wrong ...
IanJ:
Hi all,

During my TFT upgrade I missed the conversion of a character on the R6581T display.......but no VFD or OLED to find out what it is supposed to be!
I am thinking it's a right arrow?

Per attached, can anyone with an VFD/OLED confirm?.........a photo would be great so I can analyze the pixel data.

It's on the RECALL, MANUAL display.

I was testing a PCMCIA memory card with the R6581T where I came upon it.

Ian.
chekhov:
If I found it right, manual shows ~
(Searched 'recall', around 6 - 16, page 144)

I see you have a few lines in character map filled with zeros, for [ ] { }  and ~.
Line for | (vertical line) also look strange - must be almost like !, but looks like >.
Mickle T.:
RECALL:
IanJ:
Thanks guys…….I kinda thought it was a character I hadn’t come across anywhere else in the menu system.

UPDATE:
Fixed and GIT is updated.

UPDATE2:
Upper case J symbol fixed.
Also add code to send unmatched chars to Live Watch so they can be easily read and converted.

UPDATE3:
% symbol fixed.

UPDATE4:
Re-write AUX display including provision of OHM symbols up to 4off 5off per line.

Ian.
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