Optimus SYSTEM 728 owner manual Using Headphones, Listening Safely

Models: SYSTEM 728

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USING HEADPHONES

13-1275.fm Page 11 Wednesday, July 14, 1999 3:59 PM

USING HEADPHONES

You can use headphones (not sup- plied) to listen in privacy. Insert the headphones’ 1/8-inch (3.5 mm) plug into the PHONES jack.

Notes:

Your local Radio Shack store sells a wide selection of head- phones.

Connecting headphones auto- matically disconnects the speak- ers.

Listening Safely

To protect your hearing, follow these guidelines when you use head- phones.

Do not listen at extremely high volume levels. Extended high- volume listening can lead to per- manent hearing loss.

Set the volume to the lowest set- ting before you begin listening. After you begin listening, adjust the volume to a comfortable level.

Once you set the volume, do not increase it. Over time, your ears adapt to the volume level, so a volume level that does not cause discomfort might still damage your hearing.

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Optimus SYSTEM 728 owner manual Using Headphones, Listening Safely