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Apex III External Charger User’s Manual 3 External Charger Operation
COAM30004 Rev. 1.03 4/5/01 3-5
Apex III PDT/Battery Pack Notes
1. Do NOT attempt to operate the Apex III PDT once it has
powered down due to a low battery condition. When the
Battery Pack is exhausted, leave the exhausted Battery Pack
in the Apex III until you can either charge it in place by
placing the Apex III in the Apex III Dock, or swap the
Battery Pack with a charged Battery Pack. Information in
volatile memory (RAM) will be preserved since the Apex III
PDT is configured so that even with an exhausted Battery
Pack enough energy is retained to maintain the information
for an extended period of time. DO NOT leave the unit
WITHOUT a Battery Pack for more than 5 minutes.
2. It is recommended that the user place the Apex III PDT in
“Suspend” and change to a fully charged Battery Pack or
recharge the installed Battery Pack after receiving the
“Change Battery” message. After charging the Battery
Pack, pressing the “Suspend” button again will restore the
unit to the last operation performed. If unit operation is
continued and the “Battery Critical” alarm occurs the unit
will shutdown and cannot be restarted. The installed Battery
Pack must be replaced with a fully charged Battery Pack or
the installed pack recharged in the Apex III Dock.
Battery Pack Life
Average Battery Pack life expectancy is 400 charge cycles, where a
charge cycle encompasses the period of use to full depletion then
full charge. After the 400 cycle period, the Battery Pack’s
remaining capacity will be approximately 80%.
q Avoid interruptions in usage by always keeping a spare Battery
Pack on hand
q Alternate spare Battery Pack use so that all Battery Packs
receive uniform use.
q Battery Packs can lose approximately 1.1% of their charge per
day sitting on the shelf. Therefore a fully charged Battery Pack
not kept in the charging slot will require recharging in less then
100 days.