Bose 3 2 1 Gsx Owners Guide

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ADJUSTMENTS TO THE PERFORMANCE
Changing system features
If your system operates as you want it to, you may not 
need any changes. 
Some kinds of setup, however, require a change for 
optimal performance. In most cases, you make a 
System change just once. 
The features that you can change include:



 Media Center
 DVD Lock
Using the DVD Lock feature is described in “Playing a 
video disc or CD” on page 40.
For details on the other options...

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Selecting a new option
1. Make sure you see the System menu on your TV 
screen.
2. Move right to select the system feature you want to 
change and press ENTER. 
3. Press the up and down buttons to move to the 
option you want.
As explanation for each options appears at the 
bottom of the menu when you highlight the option 
by moving up or down.
4. Press ENTER to select the option.
5. Change the option by...

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Audio options 
These options affect the way the system sounds in your home.
OptionDefault Setting
(Options)Description
Bass Compensation 0
(–14 to +14) Zero is for standard low-tone performance.
– decreases and + increases these low tones.
Treble Compensation 0
(–14 to +14) Zero is for standard high-tone performance.
– decreases and + increases these high tones.
Audio Processing Automatic
(User Adjustable) Keeps...

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Video options
These options affect the way the picture looks on your TV.
OptionDefault Setting
(Options)Description
Widescreen TV
Note:  If your TV is 
connected using an 
HDMI cable, you 
may not see a 
choice of settings. Yes (16:9)
(No 4:3) Yes tells the system that widescreen (16:9) is the TV format.
No tells the system that 4:3 is the TV format. 
For a TV connected using a Composit
e, S-Video, or Component...

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Video Connector
(Only an indicator.) (HDMI)
(Composite + S-Video)  (Component) Identifies the type of video connection
 made on the back panel of the media 
center.
This is not an adjustable setting.
Video Black Level
(Appears on screen 
only if the TV 
connects to the 
media center using a 
Composite or 
S-Video cable.) Normal 
(Extended) Screen black level generally appropriate for most TVs.
Darkens the...

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Media center options
These options affect general operation of the system.
OptionDefault Setting
(Options)Description
Display Brightness 4
(1 to 4) Media center display shows 
text at its brightest.
Choosing a lower number darkens text on the display.
Display Language English
(Dansk, Deutsch, Es pañol, Français, 
Italiano, Nederlands, Svenska) On-screen display menus appear in the selected language.
Optical...

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uMusic Preset 1
(2, 3, 4, 5, 6, 7, 8, 9) The Preset selected for making edits.
uMusic Preset Action Edit Name
Clear Playlist
Clear Ratings Opens a screen for naming or renaming the selected uMusic
® Preset.
Empties the system playlist.
Deletes all ratings entered in the selected uMusic Preset.
Restore Settings No
(Yes) Maintains your established changes in the Settings menu.
Returns all of your selections in the...

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Choosing new settings
® Settings menus for quick 
adjustments while you watch a  video or listen to music. 
For example, if you want to change the screen 
resolution for DVDs, you will fi nd that option in the TV 
Settings menu.
To see these options, enter the Settings menu for the 
selected source. Symbols and definitions for the 
options that are offered appear on screen. 
Note:  Some of the settings made...

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Settings options
FeaturesDefault Setting
(Options)Effect
Audio Delay
Available only for 
DVDs and connected 
video components. 0
(0, 1, 2, 3, 4, 5, 6, 7, 8) Each number change 
adjusts the delay by about 30 milliseconds. 
The most noticeable mismatch in the video and audio synchronization 
(caused by the video processing in  some TVs), occurs in scenes with 
people talking. 
If they appear to finish sentences...

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Mono Decoding
Available only if Audio 
Processing is set to 
Adjustable in the 
Audio System menu. 
(Not available 
on CD or FM
·AM.) Off
(On) When one-channel (mono) is the audio inpu
t, this mono signal is sent to both 
speakers.
Processes the signal from one-channel (m ono) audio input (if it is detected) 
for right and left channel output.
Audio 1 + 1
Available only if a dual 
mono signal is detected 
on a...