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Your RadioShack PRO-100 Communications Headset
delivers a wide frequency response for impressive sound
in an extremely lightweight design. It is ideal for use with
CB radios, scanners, and shortwave radios. The adjust-
able headband accommodates any head size or shape
for a comfortable fit.

The frequency response is 20–18,000 Hz. The imped-
ance is 32 ohms 

±

10%. The diameter of each speaker is

1

1

/

inches.

FEATURES

High Energy Elements — deliver professional quality
sound in a lightweight package.

Volume Control — lets you set the sound level.

Closed Earcup Design — reduces ambient sound and
provides an acoustically isolated listening experience.

Foam-Filled Earcushions — let you listen in comfort.

OPERATION

1. Turn down the volume on your sound source.

2. Rotate the volume control on the left earpiece clock-

wise to its minimum position.

3. Plug the headset into a 

1

/

8

-inch headphone jack.

Note: If you are connecting the headset to an audio
source that has a 

1

/

4

-inch jack, use the supplied 

1

/

8

-

inch to 

1

/

4

-inch adapter.

4. Put on the headset and adjust the headband for a

comfortable fit.

Illust.

Illust.

Cat. No.

 

20-282

PRO-100 Communications Headset

5. Set the sound source’s volume to a mid-range level.

Then adjust the volume control on the left earpiece
until you reach a comfortable listening level.

Listening Safely

To protect your hearing, follow these guidelines when you
use this headset.

• Set the volume to the lowest setting before you begin

listening. After you begin listening, adjust the volume
to a comfortable level.

• Do not listen at extremely high volume levels.

Extended high-volume listening can lead to perma-
nent hearing loss.

• Once you set the volume, do not increase it. Over

time, your ears adapt to the volume level, so a vol-
ume level that does not cause discomfort might still
damage your hearing.

Traffic Safety

Do not wear this headset while operating a motor vehicle
or riding a bicycle. This can create a traffic hazard and
could be illegal in some areas.

CARE 

To enjoy your RadioShack PRO-100 Communications
Headset for a long time:

• Keep the headset dry. If it gets wet, wipe it dry imme-

diately.

• Use and store the headset only in normal tempera-

ture environments.

• Handle the headset gently and carefully. Don’t drop it.

• Keep the headset away from dust and dirt.

• Wipe the headset with a damp cloth occasionally to

keep it looking new.

Modifying or tampering with the headset’s internal com-
ponents can cause a malfunction and might invalidate its
warranty. If your headset is not performing as it should,
take it to your local RadioShack store for assistance.

© 1997 Tandy Corporation.

All Rights Reserved.

RadioShack is a registered trademark used by Tandy Corporation.

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