Full Information Character Display Viewfinder; Expanded Range And Versitility; Essential Controls And Displays Grouped For Easy Reach And Rapid Operations; Human Engineering, Miscellaneous - Canon A-1 Repair Manual

information display and exposure control.
2.3 Full Information Character Display Viewfinder
All information is displayed alphametricly is the dark area
below the focusing screen by segmented LED's similar to
those used in digital calculators. Information includes
exposure information, mode information, and various
warn~
ings. Although it is probably the least intrusive full
information viewfinder ever built, it can be turned off to
completely eliminate any distraction to focusing and com-
position. Even when it is turned off, the camera continues
to function normally in whichever mode it is in. Details
are given later.
2.4 Expanded Range and Versitility
Expanded metering, film speed and shutter speed and ex-
posure compensation ranges, EV memory · and multiple exposure
increase the A-l's versitility.
2.5 Essential Controls and Displays Grouped for Easy Reach and
Rapid Operations
(1) AE
mode
·(2) AT dial
(3) Shutter button lock self-timer lever
(4) Viewfinder information display switch
(5) Multiple exposure lever
2.6 Automatic System Components
Motor Drive MA, Power Winder A, Data Back A, Speedlites
155A, and 199A.
2.7 Human Engineering, Miscellaneous
2
o Safety Features: Lock Mechanisms, Flashing Warnings,
Energy Conserv ing Design
o Easy Operation: Action Grip, Human Engineering
Design, Electro-magnetic release
o Interchangeable Viewfinder Screens