Canon F1-N manual Specification

31 SPECIFICATION

Power Source:	One 6V lithium (Duracell PX 28L),
	alkaline-manganese (Eveready [UCAR]
	No. A544), or silver oxide (Eveready
	[UCAR] No. 544) battery. Battery
	lasts about one year under normal use.
Battery Check:	By pressing battery check button. Battery
	power is sufficient if the meter
	needle registers above the battery
	check index.
Cancellation of Camera	By pressing battery check button.
Circuit:	Cancels shutter operation,
	self-timer operation, meter reading
	and viewfinder illumination.
Multiple Exposure:	Possible by engaging rewind lever
	before winding film advance lever to
	recock the shutter. Cancelled by
	lightly pressing shutter button.
Flash Synchronization:	Speeds up to 1/90 sec. with
	electronic flash; FP- and M-sync
	at 1/30 sec. or slower. Direct
	contact at accessory shoe for
	hot-shoe flash. Threaded PC socket
	(JIS-B type) for cord-type flash
	or multiple flash photography.
	Accessory shoe has contact for
	normal automatic flash and special
	contact for AE flash with specified
	Canon Speedlites.

79