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the camera. If you use a body warmer to warm the
batteries, ensure that they are not in direct contact
with the warmer.
h Soil (such as fingerprints) on the battery terminals
can markedly reduce the number of available
frames. Carefully wipe the battery terminals clean
with a soft dry cloth before loading the batteries.
If any liquid at all leaks from the batteries, wipe
the battery compartment thoroughly and then
load new batteries.
If any battery fluid comes into contact with your
hands or clothing, flush the area thoroughly
with water. Note that battery fluid can cause
loss of eyesight if it gets into your eyes. If this
occurs, do not rub your eyes. Flush the fluid
out with clean water and contact your physician
for treatment.
■ Disposing of Batteries
When disposing of batteries, do so in accordance with
your local waste disposal regulations.
h Rechargeable batteries and the battery charger itself
will become warm due to the power stored inside the
batteries. This is normal and does not indicate a
fault. Wherever possible, use the battery charger in
a well-ventilated location.
h There may be vibration noises from inside the
battery charger during use. This is normal and does
not indicate a fault.
h Do not use the battery charger to charge batteries
other than FUJIFILM Rechargeable Battery NH-20
and Ni-MH batteries.
h The battery charger could cause interference if
placed close to a radio during charging. In this
event, move the radio and charger further apart.
h Do not touch the connections or contact points on
rechargeable batteries with other metal objects as
this can cause a short circuit.
h Do not leave the battery charger in the following
locations: Locations subject to strong vibrations, in
very dusty locations, or in locations with very high
humidity or high temperatures, such as close to a
heating appliance or in direct sunlight.
h The battery charger accepts input voltages of 100-
240 V AC at 50 or 60 Hz and can be used all over
the world. However, because the shapes of power
sockets vary by country and by region, an
appropriate plug adapter is also required for each
country. Consult your travel agent for details.
Notes on Using the Battery Charger
■ Battery Charger BC-NH20 Specifications
Rated input 100-240 V AC, 50/60 Hz
Input capacity 100-240 V -0.044 A
Rated output 1.2 V DC, 400 mA × 2
Applicable batteries FUJIFILM Rechargeable Battery
NH-20
Charging time Approx. 2 hours
Dimensions 66 mm × 68 mm × 27 mm
(2.6 in. × 2.7 in. × 1.1 in.)
(L × W × D)
Mass (Weight) Approx. 68 g (2.4 oz.)
(excluding batteries)
Operating 0°C to + 40°C
temperatures (+ 32°F to + 104°F)
h When used as a power source for a digital camera,
the Rechargeable Battery NH-20 and AAA-size Ni-
MH batteries (referred to hereafter as Ni-MH
batteries) are superior to alkaline batteries in that
they allow more shots to be taken. However, to
retain the original performance characteristics of Ni-
MH batteries, care must be taken in the way they
are used.
h Ni-MH batteries left unused in storage for long
periods can become “deactivated” (➡P.88). Also,
repeatedly charging Ni-MH batteries that are only
partially discharged can cause them to suffer from
the “memory effect” (➡P.88).
Ni-MH batteries that are “deactivated” or affected by
“memory” suffer from the problem of only providing
power for a short time after being charged. To
prevent this problem, discharge and recharge them
several times using the camera’s “Discharging
rechargeable batteries” function. By repeating this
cycle several times, the temporary reduction in
performance caused by “memory” or “deactivation”
can be remedied and the batteries can be restored
to their original performance levels.
Deactivation and memory are specific to Ni-MH
batteries and are not in fact battery faults. See P.17
for the procedure for “Discharging rechargeable
batteries”.
Do not use the “Discharging rechargeable
batteries” function when alkaline batteries are
being used.
h Always use the battery charger BC-NH20 (included)
or special battery charger (commercially available)
to charge Ni-MH batteries. Charge the batteries as
described in the instructions.
h Do not use the battery charger BC-NH20 (included)
to charge batteries other than those specified for
use with the charger.
h Note that the batteries may feel warm immediately
after being charged.
h The camera mechanism is such that it draws a
minute amount of current even when the camera is
turned off. Note particularly that Ni-MH batteries and
Notes on Using the Rechargeable Battery
NH-20 and AAA-size Ni-MH Batteries Correctly
the NH-20 will become discharged if left in the
camera for a long period and may become unusable
even when recharged.
h Even when not used, Ni-MH batteries and the NH-20
will naturally self-discharge so that the time for which
they can be used is shortened.
h The NH-20 can be charged by battery charger BC-
NH20 (included) or setting the camera in the
PictureCradle CP-FX420 (sold separately).
h Ni-MH batteries cannot be charged using a
combination of the camera and the cradle.
h Ni-MH batteries will deteriorate rapidly if
overdischarged (eg. by discharging the batteries in a
flashlight). Use the "Discharging rechargeable
batteries" function provided in the camera to
discharge the batteries.
h Ni-MH batteries have a limited service life. If a
battery can only be used for a short time even after
repeated discharge-charge cycles, it may have
reached the end of its service life.
Notes on Using Your Camera Correctly
Notes on the Power Supply
e Be sure to read this information in conjunction with “Safety Notes” (➡P.89), to ensure that you
use your camera correctly.
■ Places to Avoid
Do not store or use the camera in the following types
of locations:
h In the rain or in very humid, dirty or dusty places
h In direct sunlight or in places subject to extreme
temperature rises, such as in a closed car in
summer
h Extremely cold places
h Places subject to strong vibration
h Places affected by smoke or steam
h Places subject to strong magnetic fields (such as
near motors, transformers or magnets)
h In contact with chemicals such as pesticides or next
to rubber or vinyl products for long periods of time
■ Notes on Immersion in Water or Sand
The FinePix F420 is affected by water and sand.
When you are at the beach or close to water, ensure
that the camera is not exposed to water or sand. Take
care not to place the camera on a wet surface. Water
or sand inside the camera can cause faults that may
be irreparable.
■ Notes on Condensation
If the camera is carried suddenly from a cold location
into a warm place, water droplets (condensation) may
form on the inside of the camera or on the lens. When
this occurs, turn the camera off and wait an hour
before using the camera. Condensation may also form
on the xD-Picture Card. In this event, remove the xD-
Picture Card and wait a short time before using it
again.
■ When the Camera is Unused for Long
Periods
If you do not intend to use the camera for a long
period of time, remove the batteries and the xD-
Picture Card before storing the camera.
■ Cleaning Your Camera
h Use a blower brush to remove dust from the lens,
LCD monitor or viewfinder, and then wipe lightly with
a soft, dry cloth. If any soil remains, apply a small
amount of lens cleaning liquid to a piece of
FUJIFILM lens cleaning paper and wipe gently.
h Do not scratch hard objects against the lens, LCD
monitor or viewfinder as these surfaces are easily
damaged.
h Clean the body of the camera with a soft, dry cloth.
Do not use volatile substances such as thinners,
benzine or insecticide, as these may react with
camera body and cause deformation or remove the
coating.
■ Using the Camera Overseas
When travelling overseas, do not place your camera in
the check-in baggage. Baggage handling at airports
may subject baggage to violent shocks, and the
camera may be damaged internally even when no
external damage is visible.
Applicable Batteries
h In this camera, use the Rechargeable Battery NH-20
or AAA-size Ni-MH rechargeable batteries.
Do not use AAA-size manganese or nickel-cadmium
(Ni-Cd) batteries in your FinePix F420.
h See P.11 for information on AAA-size alkaline battery.
Notes on the Batteries
Incorrect use of the batteries could cause them to
leak, become hot, ignite or burst. Always observe the
precautions given below.
h Do not heat the batteries or throw them into a fire.
h Do not carry or store batteries with metal objects
such as necklaces or hairpins that could come into
contact with the metal positive
≠ and negative –
poles of the battery.
h Do not expose the batteries to fresh or sea water,
and take particular care to keep the terminals dry.
h Do not attempt to deform, disassemble or modify the
batteries.
h Do not attempt to peel off or cut the battery outer
casing.
h Do not drop, strike or otherwise subject the batteries
to strong impacts.
h Do not use batteries that are leaking, deformed,
discolored or exhibit any other obvious abnormality.
h Do not store batteries in very warm or moist
locations.
h Keep the batteries out of reach of babies and small
children.
h When loading the batteries into the camera, ensure
that the battery polarity (
≠ and –) is as indicated on
the camera.
h Do not use a new battery together with a used
battery. In the case of rechargeable batteries, do not
use charged and discharged batteries together. Do
not use batteries of different types or brands
together.
h If you do not intend to use the camera for a long
period of time, remove the batteries from the
camera. (Note that if the camera is left with the
batteries removed, the time and date settings are
cleared.)
h The batteries may feel warm immediately after being
used. Before removing the batteries, turn the
camera off and wait until the batteries cool down.
h When replacing the batteries, always fit new
batteries.
Here, “new batteries” denotes a pair of fully charged
AAA-size Ni-MH batteries that were charged at the
same time or newly purchased unused alkaline
batteries.
h In cold locations (at temperatures of +10°C/+50°F or
below), battery performance deteriorates and the
time for which they can be used shortens markedly.
This is particularly true of alkaline batteries. In cold
conditions, put the batteries in your pocket or a
similar place to warm them before loading them into