User Guide

FAA23051-R.3248.A

MB-21

Alkaline-manganese,

Ni-Cd, and Manganese batteries are

acceptable, but some Ni-Cd models can not be acceptable

due to the F4’s reverse mounting preventive mechanism.

Vertical position shutter release button, battery check

function,

remote connector and battery identification

switch (changes battery checker level by selecting

alkaline-manganese or Ni-Cd batteries) are provided.

MB-22

Grip unit in common with the MB-21.

Nikon AC/DC

converter MA4 including regulator to convert 15V to

8.2V, and the AC/DC converter with 9-20v (3A or more)

output power are available. Remote connector, and

vertical position shutter release button

&re

provided.

MF-24G

Battery holder and grip unit for MF-24.

(2) Battery pack contacts

Viewed from the

bottom of camera.

Power terminal (+)

Power terminal (-)

Shutter release signal contact

Shutter prerelease signal contact

Film advance signal contact (controlling MF-24)

Battery identification contact

Film back contact (detecting the loading of MF-24)

Contacts for each battery pack are as follows:

MB-20 :

MB-21 :

Q@@@@

MB-22 :

(but@is

not

effective)

MB-24G:

GQ@@o@o

—M20