Canon L2 - Manual (Page 31)

An accidental Double Exposure is pre­
vented on the Canon Camera. For de­
liberate Double Exposures, the following
procedure should be adopted :
1. Turn the Film Rewind Ring (8) from
its normal “A” position to the Film
Rewind Mark (■^).
2. Rotate High Speed Shutter Dial coun­
ter-clockwise, without lifting dial until
you hear a click and the Dial will
turn no further.
3. Hold the High Speed Shutter Dial
in that position with your left hand.
Then turn the Film Rewind Ring
back to the “A” position with your
right hand.
4. You may now reset either Speed Dial
to any required position.