89
VQT4C38
≥ If the temperature of the battery is 
extremely high or extremely low, charging 
may take time or the battery may not be 
charged.
≥ If you use the AC adaptor near a radio, 
radio reception may be disturbed. Keep 
the AC adaptor 1 m or more away from 
the radio.
≥ When using the AC adaptor, it may 
generate whirring sounds. However, this is 
normal.
≥ After use, be sure to disconnect the AC 
adaptor. (If it is left connected, a minute 
amount of current is consumed.)
≥ Always keep the electrodes of the AC 
adaptor and battery clean.
When the status indicator is flashing at a 
particularly fast or slow rate, the 
following should be considered.
Flashing with approx. 4 second period 
(off for approx. 2 seconds, on for approx. 
2 seconds):
≥ When the battery is over discharged or the 
temperature of the battery is too high or 
low. It can be charged, but it may take a 
few hours to complete the charging 
normally.
≥ It will flash in approx. 2 second intervals 
when normal charging resumes. Even in 
such cases, it may start flashing in approx. 
4 second intervals until charging is 
completed depending on the conditions of 
use.
Flashing with approx. 0.5 second period 
(off for approx. 0.25 second, on for 
approx. 0.25 second):
≥ The battery is not charged. Remove the 
battery from the unit, and try charging 
again.
≥ Check that the terminals of the unit or 
battery are not dirty or covered with a 
foreign object, and connect the battery 
correctly once again. If a foreign object or 
dirt is present, turn off the unit before 
removing.
≥ The battery or environment is at an 
extremely high or low temperature. Wait 
until the temperature has returned to an 
appropriate level and try charging again. If 
you are still unable to charge, there may 
be a fault in the unit, battery or AC 
adaptor.
Off:
≥ Charging has finished.
≥ If the status indicator stays off despite the 
charging being unfinished, there may be a 
fault in the unit, battery or AC adaptor. 
Refer to page 88 for details on the battery.
About the AC adaptor About status indicator during 
charging
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