Is this a regular Offy product, or are you adapting it?
If you're using simultaneous linkage, extend it to run the TV.
If using progressive (I wouldn't) it must run off the primary carb.
The exact angles and travel dimensions can be found on-line, just match whatever link you use.
http://tinyurl.com/yhzqbu3http://tinyurl.com/y8lryr5