CO (comfort cylinder) - Digital Cylinder AX (Z5)
You can install the CO version for the first time without tools. Simply pull off the mechanical thumb-turn and remove the red plastic mounting catch.
- Insert the Digital Cylinder AX into the mortise lock with the side without a thumb-turn facing the lock.

- Digital Cylinder AX is positioned in the lock.
- Screw the Digital Cylinder AX tight with the face plate screw.

- Digital Cylinder AX is fixed in the lock.
- Attach the thumb turn.

- The thumb-turn snaps into place with one click.

- Mechanical thumb-turn is installed.
- Digital Cylinder AX is mounted.