Canon AUTO ZOOM 814 ELECTRONIC Instructions Manual page 15

5 Set the exposure adjustment knob at ......
If the knob is not set at ..... during ordinary electric eye operation,
correct exposure cannot be obtained .
6
Check the film transport indicator.
While looking at the film transport indicator, pull the trigger and
make the film run a little. If you hear the running sound and see the white
point rotate, the film is being driven properly. If the white point does not
move, insert the film cartridge again correctly.