Sony MDR-RF450RK Operating Instructions Manual page 5

4
Connect the transmitter to a power
source.
Transmitter
To DC IN
9 V jack
5
Press the OFF/CHG•POWER ON
switch so that the OFF/CHG indicator
lights up green.
Charging starts.
Notes
• Charge only the supplied rechargeable batteries
NC-AA-HJ.
• You cannot recharge other R6 (size AA) rechargeable
batteries (NC-AA etc.) with this unit.
• Be sure to charge both the rechargeable batteries at a
time. The charger cannot charge the batteries one by
one.
• Use only the supplied AC power adaptor. Do not use
any other AC power adaptor.
Polarity of the plug
If the indicator is not lit
Check that the supplied rechargeable batteries
are correctly inserted in the battery compartment
of the transmitter.
to an AC outlet
AC power adaptor
(supplied)
To recharge the headphones' batteries
after use
To charge the batteries, follow steps above.
Since little electric current is used for charging,
there is no need to worry about overcharging.
Charging and using hours
Approx. charging
hours
1
24**
* at 1 kHz, 1 mW + 1 mW output
** The hours required to fully charge empty batteries
Approx. using time*
50 minutes
20 hours
5