Nikon D90 - Manual (Page 204)

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d12: MB-D80 Battery Type
To ensure that the camera functions as expected when AA batteries are used in the
optional MB-D80 battery pack, match the option selected in this menu (available in
all shooting modes) to the type of batteries inserted in the battery pack. There is no
need to adjust this option when using EN-EL3e batteries.
A Using AA Batteries
EN-EL3e rechargeable Li-ion batteries are recommended for best performance. Fewer pictures
can be taken with AA batteries (pg. 275). The capacity of AA batteries drops sharply at
temperatures below 20 °C (68 °F) and varies with make and storage conditions; in some cases,
batteries may cease to function before their expiry date. Some AA batteries can not be used;
due to their performance characteristics and limited capacity, alkaline and nickel-manganese
batteries should only be used if no alternative is available and then only at warmer
temperatures. The camera shows the level of AA batteries as follows:
Battery level for EN-EL3e rechargeable Li-ion batteries is displayed normally.
A The MB-D80 Battery Pack
The MB-D80 takes one or two EN-EL3e rechargeable Li-ion battery or six AA alkaline, Ni-MH,
lithium, or nickel manganese batteries (an EN-EL3e is supplied with the camera). Higher frame
rates are available with AA batteries; note, however, that in the case of AA batteries the frame
rate will decrease as battery level drops.
The shooting information display shows the type of battery inserted in
the MB-D80 as follows:
Option Description
1 LR6 (AA alkaline) (default) Select when using LR6 alkaline AA batteries.
2 HR6 (AA Ni-MH)
Select when using HR6 Ni-MH AA batteries.
3 FR6 (AA lithium) Select when using FR6 lithium AA batteries.
4 ZR6 (AA Ni-Mn) Select when using ZR6 Ni-Mn AA batteries.
Control panel Viewfinder Description
L — Batteries fully charged.
I d Low battery. Ready fresh batteries.
H
(blinks)
d
(blinks)
Battery exhausted; shutter release disabled. Change batteries.
MB-D80 battery type display Battery type
u EN-EL3e rechargeable Li-ion battery
w AA batteries