User's Manual

•
Do not short together the battery connections. Do not store the battery pack
with metallic objects, due to the risk of short circuit.
•
Battery chemical leakage is harmful. In the unlikely event of battery leakage, DO
NOT TOUCH. In case of accidental contact, wash immediately with running
water and seek medical advice. In case of accidental ingestion, seek immediate
medical attention.
•
Keep batteries out of reach of children.
How to replace Alkaline batteries
•
Switch off your fex21 and remove the battery pack by pulling forward the two
small catches and levering the pack out, using a small coin if necessary.
•
Remove the four AA-size Alkaline cells from the pack.
•
Insert four new cells, checking that the polarity is correct.
•
Replace the battery pack.
NOTE: Alkaline batteries are not recommended for use with peripheral loads or
some PCCards, and are less suited to low temperature operation.
CAUTION!
•
Keep batteries out of children’s reach.
•
Replace batteries with the same or equivalent type as recommended.
•
Dispose of or recycle used batteries in accordance with the manufacturer’s
recommendations and local regulations.
•
Take care to replace batteries correctly; there is a danger of explosion if
batteries are replaced incorrectly.
•
Battery chemical leakage is corrosive. In the unlikely event of battery
leakage, DO NOT TOUCH. In case of accidental contact, wash immediately
with running water.
Distribution and Battery management
Customers preparing fex21 units for distribution to a field population should follow
these recommendations to avoid problems on delivery of the units and on use in
the field:
•
Ensure users are aware of the advice contained in the fex21 Getting Started
booklet. All fex21 users should be provided with a copy of the booklet for
reference.
•
Charge the units for 48 hours before deployment to ensure a full charge of both
the main battery and the standby battery. Deploy the units within two weeks of
charging.
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•
Advise users on proper battery maintenance, taking into account inactive
periods such as weekends and vacations.
•
If you do not intend to use your fex21 for longer periods, store important data in
non-volatile memory and remove the battery pack for separate storage.
Battery Storage
Stored Li-Ion battery packs will gradually deteriorate, particularly if they are not
stored in ideal conditions, and their life expectancy will decrease.
When storing Li-Ion battery packs, you should consider these factors:
•
Fully-charged packs deteriorate faster than partly-discharged ones. For ideal
storage, charge the packs to 100% and then discharge them to 50% charge
before storing (this can be easily done using the “preparation for storage"
function of the fex21 Offline Battery Charger).
•
Do not allow stored packs to discharge completely, as this may permanently
damage them. Follow a regular maintenance-charge policy for stored packs.
•
Avoid storing packs at temperatures greater than 30°C (86°F), as this hastens
self-discharge and battery ageing.
•
Storing packs at temperatures near 0°C (32°F) retards self-discharge and
battery ageing, so packs that are to be stored for a long period are best kept at
these temperatures.
If you store battery packs at normal ambient temperatures, use this charging policy
to maintain battery pack condition:
•
Charge installed packs every 21 days to maintain their charge capacity.
•
Charge uninstalled packs every 6 months.
When you bring an fex21 out of storage, you should charge it for at least 48 hours
so that both the main battery pack and the standby battery are fully charged.
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