Canon F1-N Brochure & Specs page 84

31 SPECIFICATION
Power Source:
Battery Check:
Cancellation of Camera By pressing battery check button.
Circuit:
Multiple Exposure:
Flash Synchronization:
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.
By pressing battery check button. Battery
power is sufficient if the meter
needle registers above the battery
check index.
Cancels shutter operation,
self-timer operation, meter reading
and viewfinder illumination.
Possible by engaging rewind lever
before winding film advance lever to
recock the shutter. Cancelled by
lightly pressing shutter button.
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.
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