Radio Shack 330103R User Manual

33-103 Owner Manual

2.4GHz digital wireless headphone Introduction

33-103 consists of a 2.4GHz transmitter and a wireless digital hea dphone. The t ransmitter has a stereo
RCA jacks th at user can connect to most portable music sources. When the transmitter is powered on,
the audio input will be wirelessly transmitted to the headphones.

Operation

1. Connect the transmitter to any music source (e.g. MP3 player, CD player, etc) and then plug the
AC/DC power adapter to power on the transmitter unit. A RED LED will light to indicate that the
transmitter is powered ON.

2. Play the desired music from your audio source. Once the transmitter detects the audio inp ut, it will
start transmission and the LED turns to Green to indicate that the transmissi on is ON.

3. Switch on the headphones. A Blue LED will light to indicate the power is on.

4. Select the channel switch to the position that same as the transmitter unit.

5. Adjust the volume of the headphone to the desired level.

Note:

1. When there is no audio input for 5 minutes, the transmission will stop automatically.

2. If there is any interference present, change to other channel.

Low Battery indication

Once the headphone is turned ON, the Blue LED should light. When the battery level is detected below
about 3V, the LED will flash then the unit needs to be charged. Charge the battery as soon a s possible.

If the unit is not charged when the LED flashes, the headphone stop s operation but still consume
power. When the battery level below about 2.8V, the headphone will be shut down and not LED lights
anymore until the battery is replaced or charged.

Battery charging

Plug the AC/DC adapter to power on the transmitter unit. Put the head phone on the tran smitter docking.
A blue LED will light to indicate the charging is on.

LED status

Transmitter unit action Blue LED Dual color LED
Power ON/ no transmission OFF RED LED On
Transmission start OFF Green LED On
Power ON/ Charging start On Red LED On

FCC ID: AAO330103R

Headphone unit action Blue LED
Power On On
Low battery Flash
Power off/battery

OFF

voltage<2.8

Specification

Operation frequency: 2.4GHz
Operation range: 150 feets
Battery life: about 10 hours
Frequency response (6dB): 20Hz – 20KHz
Audio S/N: >70dB
Audio resolution: 16 bit
Audio Sample rate: 44.1KHz

FCC Information

This equipment has been tested and found to comply with the limits for a Class B digital device,
pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable
protection against harmful interference in a residential installation. This equipment generates, uses,
and can radiate radio frequency energy and, if not installed and used in accordance with the
instructions, may causeharmful interference to radio communications.
However, there is no guarantee that interference will not occur in a parti cular installation. If this
equipment does cause harmful interference to radio or television reception, which can be
determined by turning the equipment off and on, the user is encouraged to try to correct the
interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.

• Increase the separation between the equipment and receiver.

• Consult your local RadioShack store or an experienced radio/TV technician for help.

• If you cannot eliminate the interference, the FCC requires you to stop using the headphones.

Caution

•To maintain compliance with the FCC’s RF exposure guidelines place the base unit at least 20

cm from the nearby persons.

Changes or modifications not expressly approved by RadioShack may cause interference and void
the user’s authority to operate the equipment.
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions: (1) this device may not cause harmful interference, and (2) this device must accept
any interference received, including interference that may cause undesired operation.

RadioShack Corporation

FCC ID: AAO330103R