Install the Top Strap

How to Remove the Head Strap

1. Remove the face foam.

2. Pull the front end of the strap from above the metal rod, and remove the strap's back end.

3. After rotating the head strap hinge 90°, push it further to remove it.

How to Install the Strap

1. Align the fasteners of the strap with the fasteners on the devices.

2. Attached affirmatively, and rotate the strap hinge to the horizontal level to secure the strap.

3. Slide the front end of the strap from above the metal rod, and engage the velcro. (A: Strap's front end; B: Strap's back end)

4. Engage the back end of the strap's velcro together.

5. Install face foam back to the device.

6. Finish.