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3·2·1® home entertainment system

Sold from 1970 – 2006

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System settings
Setting up your Bose product
Care and maintenance
Sound settings
Remote control
Radio
Connecting other products

The TV Aspect Ratio setting allows you to adjust the size of video played on your system to fit the connected TV screen. This is useful for older 4:3 TVs or to zoom or scale an image properly for a widescreen TV.

Mono audio (sound that was created for one speaker) can be intelligently played through the multiple speakers on your system by enabling Mono Decoding. Turn this on if you have mono content that you'd like to hear through all of your system speakers.

The sleep timer allows your system to turn off automatically after a selectable period of time passes. Find out how to turn the sleep timer on or off and, when enabled, how to adjust the amount of time until your system powers off.

There are multiple different languages you can choose from to display your system menus so you can view information in your preferred language.

Your system can accept different video formats (i.e. NTSC or PAL). This is useful, for example, if the system is moved to a region that uses a different format.

Your remote control can tell you what codes have been programmed to it to enable control of your equipment. This is useful if you are changing remotes or equipment, or if want to keep the codes handy for future reference.

Your system can display subtitles from DVDs playing on its internal player. Subtitles can help to understand spoken content at lower volumes or when listening to a language other than your own.

Disc players and DVDs are created for playback within specified areas—typically the areas of the world in which they were purchased. You can determine the region of you DVD player, then check if it matches the region code printed on your DVD to ensure compatibilty.

Parental controls allows you to prevent users from viewing movies based on the rating. You can select "Lock Unrated Discs" to block unrated discs or "Lock Discs Rated Above" to block discs above a certain rating. These options are based on MPAA ratings that are typically encoded in the DVD.

Your system has a demonstration mode, which is used for in-store displays. If your system is in Demo mode, find out how to exit it and resume normal use of your system.

The video black level lets you adjust the appearance of the video image by increasing or decreasing the depth of the dark areas of the picture. This is useful to adjust the image to look best on the connected TV.

The Image Format setting in the system menu selects whether your system will format video from the internal DVD player, connected video source, and the system menu for an older-style 4:3 TV or a newer-style 16:9 wide screen TV.

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