DL manuals Audicus Hearing Aid Canto Instruction Manual Audicus Canto Instruction Manual - Batteries 12345678910111213141516171819202122232425262728293031323334353637383940 Page of 40 Go Download Print this page Bookmark us 9 Batteries Inserting the Battery 2. The Canto uses size 312 batteries. Place battery into battery compartment, with the sticker facing up. « ‹ Prev6789101112Next › »