-CONTROLS IN DETAIL-continued----------
Memo holder @
As a reminder of the film type and the number of ex-
22posures on the roll in use, clip off the end of the film carton and insert it into the memo holder.
Note: At the "B" selling, unless you hold the shutler release butlon down all the way, the shutter may close prematurely.
Shutter release button @
Slight pressure on the shutter release button switches on the exposure meter. Pushing the button all the way down releases the shutter. The shutter release button is thread- ed at the center to accept a standard cable release.
When battery power fails, the F3's electromagnetically controlled shutter ceases to operate . You cannot release the shutter release button unless you use the backup mechanical release lever ®.
To lock the shutter release button when the camera is not in use, turn the power switch to the "OFF" position.
