User Guide

I FAA23051-R.3248. A
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(3) Battery checker
MB-20 is mounted:
Checks battery by using shutter prerelease timer in the
body side.
Shutter prerelease timer prolongs 16 seconds: Battery is
usable.
Shutter prerelease timer prolongs O second: Battery is
used up.
No viewfinder display appears, shutter release is
locked: Change batteries.
MB-21 is mounted:
See specifications of the MB-21.
(4:
“a
@
@
Current consumption (when DP-20 is mounted at’ ordinary
temperature (20”C) using MB-20.)
Under 5P
when power switch is OFF.
Under 10pA (approx.
100pA when film rewind lever R2 is
ON) when power switch is ON (shutter prerelease timer is
OFF) .
Under approx. 180mA (when AF illuminator is OFF) and
under approx.
220mA (when AF illuminator is ON), when
shutter prerelease timer is ON.
(5) Continuous shooting time at the B (bulb) setting (using
fresh batteries at room temperature) .
Four hours (MB-20), and six hours (MB-21) with alkaline-
manganese batteries.
Three hours (MB-21) with Ni-Cd batteries.
(6) Power source switch
Use following dial and buttons to prolong the shutter
prerelease timer:
Shutter release button (prerelease, release)
Exposure compensation dial
Film advance mode selector
Shutter speed dial
Lens aperture ring (F–Fo signal)
AE lock button
Exposure mode selector
AF lock button
Key operations of other accessories (MF-23, SB-24,
etc.)
—M21 —