Jack C4 - Thread Trimmer Model Introduction; Press Trimmer Mode Key

Operating Instructions –thread trimmer model introduction
Press trimmer mode key
（ ），to adjust the trimmer mode，
continusly press this key，switch the
trimmer mode In cycles：Pre-cutting、
after cutting、Pre & After cutting、
Off、Pre-cutting length adjust
（Press 、 ，Small value means long）、
After cutting length(Press 、 to
adjust，Big value means long），After
adjustment then press（ ）to save，5S
no action is back to the standby
interface。