Gryphon Diablo 300

On Gryphon's website under the description of the Diablo 300 there is a link to a downloadable operator's manual.  Diablo 300 manual v. 1_Diablo manual.qxd (gryphon-audio.dk)  Page 13 of the Diablo 300 online operator's manual specifies unbalanced input #3 as being configurable to by-pass all preamplifier stages in the.
QUESTION: Can balanced inputs #1 and/or #2 also be configured to by-pass all preamplifier stages in the Diablo 300? Thank you.