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Setting up the handset
16
Charging guidelines
• Charge the batteries for at least six to seven hours before using the
handset for the first time. This protective measure extends the service
life of the batteries.
• The maximum power output is attained only after three to five
charging and discharging cycles.
• Do not leave the handset connected to the charger longer than one
month without using.
• The batteries can be charged and discharged hundreds of times, but
eventually they will be worn out. If the operating time (that is, talk and
standby time) is significantly shorter than usual, it is time to replace
the batteries.
• To maintain optimum operating time, the batteries should be
discharged from time to time by not placing the handset in the
charger but leaving it switched on until it switches itself off. Use only
this method to discharge the batteries.
• Extreme temperatures influence the charging capability of the
batteries.
Operating times
• Empty batteries require six to seven hours to fully charge.
• When a fully-charged handset is switched off, it discharges in
approximately one week.
• When batteries are fully charged, the handset has approximately 20
hours of talk time or approximately 200 hours of standby time.
Charge display
The handset display screen shows the battery charge status. When the
battery capacity is almost exhausted, an alert tone sounds in the form of
CAUTION
Avoid placing the handset in the charger when fully-
charged batteries have been removed from the handset
and inserted again. They can become overcharged.