P Av Tv M XExposure modeMetering modeExposure compensationAuto-bracketing modeUsing the M645 Manual Focus LensesAvailable functions with M645 lensnot an available functionavailable functionWhen using the camera at cold temperatures where the battery capacity may drop,use an external battery case PE401 (sold separately; PE401).Make sure to reinstall the empty battery case into the body.The empty battery cassette must be inserted into the body.The batteries may generate heat if the external battery case is connected to thebody while the batteries are loaded on the body.External Battery Socket1. Turn the shutter release mode selector leverto the “L” position (power OFF).2. Use a coin or similar object to turn andremove the external battery socket cap.3. Remove the battery case from the camerabody.4. Connect the external battery case to thebody.Connect the plug of the external battery case inwhich the batteries are installed, to the externalbattery socket.5. Reinstall the original battery case, fromwhich the batteries were removed, in the body.Turn the battery case lock lever to lock it in thebody.1. Mount the M645 lens on the camera body, turn the A/M lever on the lens to the “M”position. Set the lens to maximum aperture, compose and focus.You may use the focus mark to adjust focus.2. Select exposure mode and set the desired aperture on the lens.For auto exposure, select the “Av” (aperture priority AE) and choose the spotexposure metering mode “S”, you can use the lens in conjunction with stop-downmetering.3. Half press the shutter release button to show shutter speed.You can adjust focus with assistance of the focus mark in the viewfinder LCD.When stopping down slower than f/5.6, the focus mark will be unworkable. In thiscase, the out of focus direction marks will blink and show that the picture isout of the focus adjustment range.The AF assist beam does not emit with these lenses.When using the MAMIYA M645 manual focus lens, mount the focusing screen formanual focus lenses (sold separately).CSM.UPL