The 12RC01 is a software ROM pack for the 1240 and 1241 that adds printing functions. It is meant to be used with 1200C01 or 1200C11.

Tektronix 1200C11
Printer Support ROM Pack
Tektronix 12RC01

Compatible with 1240

Produced from (?) to (?)

Manuals
ROM Images
(All manuals in PDF format unless noted otherwise)

Pictures