Sony SHR-M1 - PLL Synthesized FM Stereo Headphone Radio Operating Instructions

Sony SHR-M1 - PLL Synthesized FM Stereo Headphone Radio Operating Instructions

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Sony SHR-M1 - PLL Synthesized FM Stereo Headphone Radio Operating Instructions

burn hazardburn hazard
To prevent fire or shock hazard, do not expose the unit to rain or moisture.
To avoid electrical shock, do not open the cabinet.
Refer servicing to qualified personnel only.




  • A PLL (Phase Locked Loop) synthesized "handsfree" head set style FM stereo head p hone rad io
  • Use as a stereo headphone set by simply connecting to an MD WALKMAN *1, CD WALKMAN, etc.
  • Presets for up to 15 FM stations.
  • The display shows the frequency only while tu ning.

*1 "MD WALKMAN " is a trademark of Sony Corporation.

Getting Started

Installing the battery

Open the battery compartment lid on the left earpad (marked on the outside) and insert one R03 (size AAA) battery.
Be sure to position the battery according to the polarity indicated in the compartment and insert the battery from the side first.
Installing the battery

Battery life

Using Sony alkaline LR03 (size AAA) battery:
Approx. 27 hours

Using Sony R03 (size AAA) battery:
Approx. 11 hours

Replacing the battery

When the sound becomes weak or distorted, replace the battery with new one.

Alarm the Battery Exhaustion

When the battery becomes weak, an alarm w ill beep, and "batt" will flash in the display. Then, the power will be turned off. When you turn on the power, you can listen to the radio for a while, however, the alarm will beep again. Make sure to replace the battery with a new one.

Notes on batteries

  • Align the battery correctly.
  • The dry battery cannot be charged.
  • To avoid damage from possible battery leakage, rem ove the battery w hen the unit will not be u sed for a long time.

If the battery compartment lid is detached

If the compartment lid is opened forcibly, the lid may become detached. If this happens, reattach the lid as shown in the figure.

Wearing the Radio

Wearing the Radio

  1. While positioning the left earpad (marked on the outside) on your left side and the right earpad (marked on the outside) on your right side, wear the neckband around the back of your head.
  2. Put your left ear between the earpad (marked on the outside) and the neckband, and your right ear between the earpad (marked on the outside) and the neckband.
  3. Adjust the angle of the neckband to fit the headphones on your ears.

Operating the Radio - Manual Tuning

The display turns on only when the radio is operated, so you can tune in a station while seeing the display.

  1. Set RADIO ON/OFF to ON.
  2. Press TUNE +/– to tune in a station.
    When + is pressed, the frequency is raised.
    When – is pressed, the frequency is lowered.
    Each time + or – is pressed, the frequency is changed in 0.1 MHz units.
    To rapidly change the frequency, keep pressing + or –.
  3. Adjust VOL (volume).

Although the antenna is built in the neckband, you can obtain a better reception by connecting the connecting cord.

To turn off the radio
If noise is heard due to too strong reception signal
Set SENS to LOCAL. Normally, set SENS to DX.

Presetting Your Favorite Stations - Preset Tuning

You can preset up to 15 of your favorite FM stations.
To access the stations, simply select the corresponding PRESET numbers (M1 to M15).

Presetting a Station

  1. Tune in a station to be preset manually.
  2. Keep pressing PRESET (M1-M15) until "M2" flashes and three beeps sound.
    Example: When the 90.0 MHz station is preset to "M2". @ @
    Presetting a Station
  3. Press TUNE +/– to select the PRESET (M1-M15) number.
  4. Press PRESET (M1-M15).
    You will hear beeps and presetting is complete.

Changing the Preset Station

Follow from step 2 above to preset a new station.
The station previously stored to the same preset number will be canceled.

Tuning in a Preset Station

  1. Set RADIO ON/OFF to ON.
  2. Press PRESET (M1-M15) so that the desired preset number appears in the display.
  3. Adjust VOL (volume).

Listening to the sound of MD WALKMAN / CD WALKMAN

This unit can be used as a headphones.

Connecting the connecting cord (supplied) to an portable audio equipment such as an MD WALKMAN or CD WALKMAN allows you to enjoy various sources via this unit.

  1. Set RADIO ON/OFF to OFF• .
  2. Connect the connecting cord (supplied) to the AUDIO IN jack of this unit and to the (headphones) jack of an MD WALKMAN, etc.
    Connecting the connecting cord to a portable audio
  3. Operate the MD WALKMAN, etc.
    To adjust the volume, use the volume control on the connected equipment, such as an MD WALKMAN, etc.

The length and the shape of the connecting cord are different depending on where you purchased this product.


  • To operate the radio while an audio equipment is connected, turn off the equipment and set RADIO ON/OFF on this unit to ON.
  • Refer to the operating instructions supplied with the equipment to be connected.


  • Operate the unit only on 1.5V DC with one R03 (size AAA) battery.
  • Avoid exposure to temperature extremes, direct sunlight, moisture, sand, dust or mechanical shock. Never leave in a car parked in the sun.
  • Should anything fall into the unit, remove the battery, and have the unit checked by qualified personnel before operating it any further.
  • To clean the casing, use a soft cloth dampened with a mild detergent solution.
  • In vehicles or in buildings, radio reception may be difficult or noisy. Try listening near a window.
  • This product is not designed to be splashresistant, so you should take care to use the unit when raining, snowing or in a water-splash place.

Notes on Headphones

Road safety
Do not use headphones while driving, cycling, or operating any motorized vehicle. It may create a traffic hazard and is illegal in many areas. It can also be potentially dangerous to play your headphones at high volume while walking, especially at pedestrian crossings. You should exercise extreme caution or discontinue use in potentially hazardous situations.

Preventing hearing damage
Avoid using headphones at high volume.
Hearing experts advise against continuous, loud and extended play. If you experience a ringing in your ears, reduce volume or discontinue use.

Caring for others
Keep the volume at a moderate level. This will allow you to hear outside sounds and to be considerate to people around you.

If there is lightning when you are using the unit, take off the headphones radio immediately.
If you have any questions or problems concerning your unit, please consult your nearest Sony dealer.


Radio segment

Frequency range

Frequency range Channel step
FM 87.5-108 MHz 0.1 MHz
0.05 MHz*2

*2 The frequency is displayed in 0.1 MHz units.
(Example: Frequency 88.00 and 88.05 MHz is displayed as "88.0 MHz".)

Power output: 3.5 mW + 3.5 mW

Headphone Segment

Headphone type: Open-air Dynamic
Driver unit: ø 30 mm Dome type
Input: ø 3.5 mm stereo mini-jack
Maximum input: 100 mW
Impedance: 24 ohms (at 1kHz)
Frequency characteristic: 14 to 24,000 Hz


Power requirements
1.5 V DC, one R03 (size AAA) battery
Approx. 99.5 g (3.5 oz) incl. a battery, not incl.cord
Accessories supplied
Connecting cord (1)

Design and specifications are subjected to change without notice.

Documents / Resources

Download manual

Here you can download full pdf version of manual, it may contain additional safety instructions, warranty information, FCC rules, etc.

Download Sony SHR-M1 - PLL Synthesized FM Stereo Headphone Radio Operating Instructions


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