Yamaha O2R Owner's Manual page 318

208 Digital I/O, Setup, and Utilities
02R User's Guide
Shown below is the LINE 17–24 page of SCENE 4/5. On this page you can
select internal input (LINE), bus, or 2TR IN (17/18, 19/20 only). These
parameters also appear on the DIGITAL I/O 2/5 (Input Signal Select) page.