Bose 321 gs series iii User Guide

If you have trouble playing a disc, check to be sure it is 

one of the compatible types below. 

You can password protect some DVDs that are not 

appropriate for other family members. 

Turn on your TV and your 3•2•1

®

 system.

Be sure to select the same TV Video Input that you 

use to watch a DVD.

Press the System button on your 3•2•1 remote 

control.

The System menu appears on screen.

Press the right arrow button to select the DVD Lock 
icon .

Press ENTER.

Use the number buttons to create your four-digit 

password.

• Video DVD 

• Video CD 

• DVD-R, DVD-RW

• Audio CD 

• CD-R 

• SACDs (CD-compatible 

content only)

• MP3  CDs:

— burned in a single 

closed session

— in disc format 

ISO9660

— with .mp3 as the 

extension and no 

other periods in the 

file name.

Region codes
For any DVD player and 

DVD disc to work 

together, the code for the 

region where they were 

sold must match. A code 

symbol is marked clearly 

on the bottom of your 

system media center and 

on the DVD cover (where 

it may be very small). For 

example, Region 1 is 

.

Copy protection
Music and other content 

may be protected by 

international and 

domestic copyright laws 

and may contain specific 

restrictions on use and/or 

reproduction. Please 

respect the rights of the 

artists and other 

copyright holders.