Problem

Solution

Distortion

If the transmitter is

 

connected to the headphones jack,

 

turn down the volume of the

 

connected audio/video equipment.

 

 

 

Change the radio frequency with the

 

CHANNEL selector on the

 

transmitter.

 

 

 

The headphones’ POWER indicator

 

light is weak or turned off.

 

• Charge the built-in rechargeable

 

battery or if the POWER indicator is

 

still off after charging the built-in

 

rechargeable battery, take the

 

headphones to a Sony dealer for

 

replacement of the rechargeable

 

battery.

 

 

 

If you connect the transmitter to LINE

 

OUT or REC OUT jack of an audio

 

reproducer, make sure that the NOISE

 

FILTER switch is set to OFF.

 

 

Loud

Move closer to the transmitter. As

background

you move away from the transmitter,

noise

more noise is likely to be heard.

 

 

 

If the transmitter is connected to the

 

headphones jack, turn up the volume

 

of the connected audio/video

 

equipment.

 

 

 

MDR-RF815RK:

 

Change the radio frequency with the

 

CHANNEL selector on the

 

transmitter, then tune the headphones

 

with the TUNING control.

 

MDR-RF845RK:

 

Change the radio frequency with the

 

CHANNEL selector on the

 

transmitter, then press the TUNING

 

button again.

The headphones’ POWER indicator light is weak or turned off.

•Charge the built-in rechargeable battery or if the POWER indicator is still off after charging the built-in rechargeable battery, take the headphones to a Sony dealer for replacement of the rechargeable battery.

If you connect the transmitter to the LINE OUT or REC OUT jack of an audio reproducer, make sure that the NOISE FILTER switch is set to OFF.

Specifications

General

Carrier frequency

 

863.5 – 864.5 MHz

Channel

Ch1, Ch2, Ch3

Modulation

FM stereo

Frequency response

 

20 – 20,000 Hz

Transmitter TMR-RF845R, TMR-RF815R

Power source

DC 9 V: supplied AC power

 

adaptor

Audio input

phono jacks/stereo mini jack

Dimensions

Approx. 150 mm dia ⋅ 108 mm

 

(6 ⋅ 4 1/3 in.) (w/h)

Mass

Approx. 190 g (6.7 oz.)

Headphones MDR-RF845R, MDR-RF815R

Power source

DC 2.4 V: Built-in rechargeable

 

battery

Mass

Approx. 240 g (8.5 oz.) incl.

 

built-in rechargeable battery

Built-in Ni-Cd rechargeable battery

Model name

NC-AA

Voltage

1.2 V

Capacity

700 mAh

Optional accessory

Plug adaptor

PC-236HG (stereo mini jack y

 

monaural mini plug)

Design and specifications are subject to change without notice.

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