Canon A-1 Repair Manual page 8

(5) Film Speed Range
ASA 6 to 12,800 in 1/3 step increments
(6) Exposure Compensation
Two full f/stop plus/minus control with figures from
1/4X to 4X and calibrations in 1/3 step increments.
The following shows the range of exposure variations
possible with the respective film speed setting:
ASA 6
ASA 12
ASA 25 - 3200
ASA 6400
ASA 12800
1/4 • • 1/2 •
1
1/4 • • 1/2 • • 1 • • 2
1/4 • • 1/2 • • 1 • • 2 • • 4
1/ 2 • • 1 • • 2 • • 4
1 • • 2 • • 4
(7) Exposure Memory
There is a memory lock button (located where the
exposure compensation button is ON the AE-l). While
this button is pressed , the exposure reading is
locked and you are at your liberty to vary the com-
bination of shutter speed and f/stop.
(8) Stopped-Down Metering Lever
The lever is of folding type and by lifting the end
and pushing against the t ension of the spring, it is
locked in place.
(9) Other Operations
The AT dial has the following indications
>
<
.. ..
...
-
: • C: • : • . .
o
0 0 '" 0 0 ."
a..
0 0
W)
N ~ M _
o
II)
N _
-
GO . . .
GO
..
-
..
...
• GO
AV. Black figures in the yellow ground
p, Black in the green base
-
TV: 2" to 30": Yellow figures in a black ground
Other figures: White figures in a black ground
7