Battery power / battery care, Installing the battery in the magazine, Batteries care – Mamiya 645 AFD III User Manual

Page 8: Battery power

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Batteries Care

1. Battery life of the originally supplied batteries is dependant on storage conditions.

2. Blots and fingerprints on terminals may cause loose connection and corrosion. Wipe

them off before loading the batteries.

3. It is advised to carry spare batteries in remote or foreign locations.

4. Battery performance decreases in low temperatures. Keep them warm when in cold

climates or locations.
External battery case PE401 is available as an optional accessory.

5. Store the batteries in a cool and dry place, away from direct sunlight.

6. Remove the batteries from the camera body when they will not be used for a long

time.

7. Replace the batteries with new ones as soon as they are exhausted. Liquid leakage

from the battery may damage the camera.

8. Read the label warnings of the batteries for their handling.

Battery Power / Battery Care

Remaining battery
charge display

Battery power

The camera’s power is turned on when the drive

dial is set to “S,” “C” or “M.UP.” In order to prevent
the camera’s batteries from discharging, sleep
mode is automatically established if no operations
are performed for a specific period of time while the
power is ON (with exposure metering status
maintained).

The initial setting for the exposure metering

status maintenance period is 15 seconds. It can be
changed at any time to a period within a 5- to 60-
second range using the custom settings. (C-04 on
page 93)

In sleep mode, operating the shutter button or function setting button restores power

ON status.

In sleep mode, the shutter speed and f-number among the external LCDs go off, and

the marks shown in the figure are displayed. (These marks appear in program AE
mode.)

For the purpose of the descriptions and explanations provided in these
instructions, it is assumed that the camera’s power is on.

13

14

Installing the Battery in the Magazine

2. Insert a battery.
Insert the battery according to the polarity indica-
tion in the battery compartment, and close the
battery cover.
Battery used: Sony CR2032 or equivalent

Be sure to insert the battery with the correct

polarity

The button battery supplies power to the magazine's LCD when the film magazine is
detached from the camera.

1. Remove the battery compartment

screw cap.

Use a coin or suitable screw driver and turn it
counter clockwise.

When the magazine is installed onto the body, the power will be supplied to the maga-

zine from the camera body.

You can take shots without installing the battery into the magazine. However, if you

remove the magazine from the body, the magazine does not indicate film sensitivity

or number of shots.

The magazine does not have a battery level indicator. When the magazine LCD panel

becomes dark or disappears, replace the battery. As a rough guideline, the battery

should last approx. one year.

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