4.
To adjust the Nose Bridge, turn the locking
cam to a position as shown above to
release the Nose Bridge. The Nose Bridge
can then be slid to the required position.
5.
Lock the Nose Bridge in position by
turning the locking cam to a position as
shown above.
6.
To securely fit the frame to the users
head, slid the toggle indicated to a
comfortable position.
Setting up and using the Spectra Plus
Frame (A)
spectra_plus_uk 14/9/06 4:32 pm Page 8
