Sony M-425 Operating Instructions Manual page 3

Rechargeable batteries (supplied with
M-677V only)
Charge the rechargeable batteries only with the supplied
charge adaptor and the AC power adaptor. The
rechargeable batteries can be charged approximately 500
times.
Be sure to charge the rechargeable batteries for
approximately 8 hours before using them. The unit can
be used for recording for approximately 4.5 hours with
the fully charged rechargeable batteries.
To charge
Charge adaptor
: 1 to the wall outlet
2"
AC power
Power indicator adaptor
Rechargeable
batteries NC-AA
The power indictor of the charge adaptor remains lit as long as
power is supplied from the wall outlet.
To use
Notes
© Use the supplied two rechargeable batteries only with the
supplied charge adaptor.
¢ If there is distortion of sound or excessive noise, or if the unit
does not operate properly, turn off the unit and recharge the
two rechargeable batteries together.
© The rechargeable batteries will discharge even when not in
use. Be sure to charge them before use.
Recharge the two rechargeable batteries together. Otherwise,
the charging cannot be done.
¢ Be sure to remove the rechargeable batteries from the charge
adaptor to avoid overcharging (more than 20 hours) when
charging has been completed.
¢ Charging and operation should be made in temperature ranges
5°C to 40°C (40°F to 104°F).
¢ The charge adaptor will become warm during charging but
this is not a sign of problem.
© Do not use or leave the charge adaptor in a location near heat
sources or in a place subject to direct sunlight or excessive
moisture.
¢ Unplug the AC power adaptor from the wall outlet when it is
not to be used for long.
* Do not attempt to charge dry batteries.