citizen f12 3t code snippets etc wanted

Finally got this cute lil bugger into running condition had presented with tgls alarm ( x taco generator lost signal ) no tach present--older yellow
cap style only has pulse coder typical 2000 or 2500 lines either one works set the proper jump on the motherbord, the tach loop signal into the drive being synthesized via a fanuc hybrid chip # a-pc06 located on the main board one for each axis.
Anyways...if anyone has any helpful info they could share as to actual programming /setup of this antiquity it sure would be appreciated.
Replace "cold" with "hot" in my email address to respond via email....

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