Canon AE-1 PROGRAM Instructions Manual page 37

IS,S
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When the lens' aperture ring is set to "A"
and the shutter speed selector dial to
" PROGRAM," a green "P" LED 5 is displayed,
indicating programmed AE photography.
If the shutter speed selected automatically by
the camera is 1/ 30 sec. or slower, the " P" will
blink. This is to warn you that your picture may
be blurred due to camera movement if you are
hand-holding the camera.
The aperture 6 selected automatically by
th e AE - 1 PROGRAM is displ ayed in th e vi ew-
finder.
The meter index 7 is f or setti ng ex posure
w ith a non- FD lens and in close - up ph ot og raph y
(see pp. 57- 58) ,
37
When using a Canon Speed lite 011 A, 1 33A,
155A. 166A. 177 A. 188A, 199A, 533G or
577G, a green flash charge -completion signal 8
lights up when the flash is charged.
When using the Speedlite 188A or 166A,
this signal 8 flashes on and off for two
seconds after the shutter is released if the
flash-to-subject distance was within the auto
coupling range.
Meter coupling range
When using an FD 50mm
f / l.4
lens and ISOI
ASA 100 film, the built-in exposure meter cou-
ples within a range of EVl
(f / l.4
at 1 sec.) to
EV18 (f116 at 1/ 1000 sec.). At given film
speeds, the built-in exposure meter couples
with the aperture and shutter speed, as indicat-
ed in the chart on the next page. If the shutter
speed and aperture combination are outside the
coupling range, the camera warns you by flash-
ing the appropriate display inside the viewfinder.