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5
Overview
Getting Started
Installing AAA batteries into the Foretrex 101
Battery usage icon shows an
estimate of battery life left. Four
squares with the battery outline
indicates new batteries are installed
in the unit.
Installing Batteries
The Foretrex 101 operates on two AAA alkaline batteries (not included), which are
placed in the back of the unit. Rechargeable alkaline, NiMH, NiCad, or lithium batteries
may be used. Refer to section “Set System Page” for instructions on selecting battery type.
Stored data will not be lost while batteries are being changed. However, if batteries are
completely discharged and are not changed within a couple of days, it may take longer for
the unit to get a GPS signal fix.
To install the batteries:
1. Remove the battery cover by inserting a coin in the bottom slot. Twist the coin to lift
the cover up and pull away.
2. Compare the battery polarity with the diagram in the battery compartment and install
the batteries accordingly.
3. To re-install the battery cover, slide the top portion into the appropriate slot, then snap
the bottom section securely to the base of the unit.
NOTE: When replacing batteries, use only new or fully charged batteries. Do not
mix Alkaline and NiMH batteries. Rechargeable batteries may typically display
less capacity than disposable batteries. Extensive use of backlighting and key
beep tones will significantly reduce battery life. Remove the batteries from the
unit if you do not plan to use it for several months. Storing batteries in the unit
for long periods may result in leakage and damage to the battery compartment.
NOTE: Follow the manufacturer’s instructions for proper care and disposal of used
batteries. Do not incinerate used batteries, as internal materials may ignite with
explosive violence.