5. MAINTENANCE AND
STORAGE
We strongly advise charging your Talk Set battery only with the
power unit provided. Power units from other devices are not
recommended.
Store your Talk Set in the original package at ambient
temperature of -25
o
- +55
o
C, with relative humidity of 95% or
lower at 25
o
. After the package is removed, store the Talk Set at
ambient temperature of -10
o
- +35
o
C, with relative humidity of
80% or lower at 25
o
C.
If your Talk Set was subjected to temperature below 0
o
C for long
time, keep it at normal conditions for 2 hours or more before
switching on.
If you plan to store your Talk Set for long time,
charge the battery at about 50-70% first.
DO NOT store your device with the battery
completely discharged, because it may reduce
the battery life.
Kingfisher International
KI021-1 OPTICAL TALK SET
Issue 02
Page 10 of 14