Sony mdr-if420rk 사용자 설명서

MDR-IF420RK

MDR-IF520RK

1

1 hour. 15 min.

24

30

1

24**

To charge the battery, follow steps 4
and 5.
Since little electric current is used for
charging, there is no need to worry
about overcharging.

* at 1 kHz, 1 mW+1 mW output
** the hours required to fully charge an empty

battery

Install the battery in the manner as
described in steps 1 through 3 of
“Charging the headphones’ battery.”
When a R6 (size AA) dry battery is
installed, the battery charge function is
not activated.

* at 1 kHz, 1 mW+1 mW output

Sony alkaline
battery LR 6 (SG)

Sony battery R6P
(SR)

MDR-IF420RK MDR-IF520RK

70

80

35

40

Connect the supplied AC power
adaptor to the transmitter.

Rest the headphones on the
transmitter so that the contact pins
fit into the contact holes on the
headphones.  The charging
indicator lights.

Notes
•Use only the supplied rechargeable battery NC-

AA (HJ).

•You cannot recharge other R6 (size AA)

rechargeable battery (NC-AA etc.) with this
unit.

Check the connection to make sure that
the contact pins are properly fitted into
the contact holes on the headphones, or
if the headphones are rested on the
transmitter correctly.