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General Safety Summary
viii
WFM 90 & WFM 91 Service Manual
For information on replacing and recharging batteries specific to this product,
refer to the detailed instructions provided in this manual.
Replace Batteries Properly . Before replacing batteries, turn the instrument off
and disconnect the AC adapter.
Use only the size and type of batteries specified for this product. Be sure to
install the batteries in the proper polarity. Use care not to short battery terminals
together when replacing batteries.
When replacing alkaline batteries, all batteries should be replaced at the same
time.
Recharge Batteries Properly. Do not attempt to recharge alkaline batteries.
NiCad batteries are automatically recharged in this instrument.
Replace the NiCad battery pack if the batteries do not recharge within the
recommended time, or if the operating time from a full charge seems significant-
ly shortened.
This product contains a Nickel Cadmium (NiCd) battery, which must be recycled
or disposed of properly. For the location of a local battery recycler in the U.S. or
Canada, please contact:
RBRC (800) BATTERY
Rechargeable Battery Recycling Corp. (800) 227-7379
P.O. Box 141870 www.rbrc.com
Gainesville, Florida 32614
Observe These Battery
Precautions
Battery Recycling