Shutter Release and Film Transport Mechanism

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0 Shutter Release Lock Ring

Theshutterreleasebuttonisequipped withalockringtopreventaccidental

releaseoftheshutter.

1.Whenyouwishtoreleasetheshutter, turntheshutterreleaselockringso thatthewhitedot(B)isalignedwiththe dot(A)onthecamerabody.

2.Aligningthereddot(C)oftheshutter releaselockringwiththedotonthe camerabodywillsimultaneouslylock bothshutterreleasebuttons.

1.Whenreleasingtheshutter,youmay useeitherthefrontoruppershutter releasebutton.

2.Afterreleasingtheshutter,thefilm

advance crank isautomatically un- locked,makingitpossibletotransport

thefilmtothenextframe.

Please notice the following points re- garding the film transport mechanism:

*Abuilt-insafetylockpreventsthe shutterfrombeingreleasedifthefilm advancecrankisnotfullywoundorif theexposurecounterisbetweenS and1

*Afterthefixednumberofexposures hasbeentaken(15or30),theshutter releasebuttonautomaticallylocks. *Ifthefilmisadvancedwhiledepress- ingtheshutterreleasebutton,theshut- terwillbereleasedattheinstantthe filmisfullyadvanced.Donotattempt totakepicturesinthismannerasade- greeofcamerashakeisinevitable.

*IfthePDPrismFinderisnotattached tothecamerabodyandtheshutteris releasedwiththeshutterspeeddial settothe@position,themirrorwilllock intheraisedpositionandtheshutter willremainopen.(Movingtheshutter speeddialtoBor 1/1000 sec.willlower themirrorandclosetheshutter.)

*Useofthemultiple-exposurelever isexplainedonpage50.

*Thefrontshutterreleasebuttonis threadedtoacceptcablereleases.

*Do notstronglydepresstheupper shutterreleasebuttonwhilesimulta-

neouslyadvancingthefilm.Ifthisis done,thefilmadvanceautomaticstop mechanismwillbedisengaged,and thefilmwilladvanceevenduringthe operationoftheshutter.Moreover,the

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Mamiya M645 1000S manual ’, Shutter Release and Film Transport Mechanism, Shutter Release Lock Ring