Canon AE-1 Manual page 9

Photography with earlier flash unit 155A automatic Flash photography (Or any dedicated
flash units by Canon)
1. Load the batteries. 2. Set the ASA film speed
6. Focus, compose and press the shutter button to take the picture.
Photography with the Canon Power Winder A
1. Remove the Battery Pack A.
2. Load the batteries into the Battery Pack A.
3. Attach the Battery Pack A to the Power Winder A.
4. Take off the winder coupler cover.
5. Attach the Power Winder A to the AE-1.
6. Turn the main switch on.
7. Focus and press the shutter button.
Preliminary Preparation for AE-1
Attaching the Attach the Canon AE-1's neckstrap by
Neckstrap threading it through the rings and adjusting it
to the desired length as indicated in the
photos. A case for a spare battery can be
attached to the neckstrap.
3. Mount the Speedlite 155A
(Or equivalent) onto the camera
Handling the Lens Cap
The lens cap can be removed from the front of the lens after
pressing in the tabs on both sides of the cap. The rear dust
cover can be removed by turning the bayonet ring in the
direction of the arrow.
4. Turn the main swittch5. Set the AUTO/MANUAL switch