Sony MDR-RF415RK Specifications, 11GB, Problem, General, Solution, Optional accessory, Headphones MDR-RF415R, Transmitter TMR-RF415R, Built-in Ni-Cdrechargeable battery

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.
	Change the radio frequency with the
	CHANNEL selector on the
	transmitter, then tune the headphones
	with the TUNING control.

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.

Move the AC power adaptor cord away from the transmitter.

Specifications

General

Carrier frequency

	433.5 – 434.5 MHz
Channel	Ch1, Ch2, Ch3
Modulation	FM stereo
Frequency response
	20 – 20,000 Hz
Transmitter TMR-RF415R
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-RF415R
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.

11GB