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In Surround Mode the voices are hard to understand
1. During recording (BD or DVD) the voices were mixed
1. Select “surround 2“ as Play Mode
between the right and left channels
2. The DM System is in 5.1 mode
2. Set the system to a 2.1 or 4.1 Mode at “System Preset”
(m => System Setup => factory setup => System Preset)
The DM System has little or no low bass
1. Listening at a (very) low volume
1. Set “Bass expand” (m => Speaker Setup => Bass
expand) to “low” or “high”
2. The output for an external subwoofer is activated but no
2. Deactivate the output for an external subwoofer at “Sub
subwoofer has been connected or is operating
Output” (m => System Menu => Sub Output) or connect it
to an operational external subwoofer using Sub-Out
3. The DM System is in a poor acoustic location
3. Where possible, set up the system in a different position (e.g.
closer to the wall)
4. Equalisers have been set in the “Room Comp” menu
4. Correct or delete the settings for the room adjustment (m =>
(volume level increase)
Speaker Menü => Room Comp => subwoofer)
The DM System has too much low bass
1. Listening at a high volume and activating the “Bass expand”
1. Set “Bass expand” (m => Speaker Setup => Bass
expand) to “low” or “off”
2. Using an external subwoofer with too high a level
2. Adjust the external subwoofer (to a lower level)
3. The DM System is in a poor acoustic location
3. Where possible, set up the system in a different position (e.g.
closer to the wall)
4. Equalisers have been set in the “Room Comp” menu
4. Correct or delete the settings for the room adjustment (m =>
(volume level increase)
Speaker Menü => Room Comp => subwoofer)
The DM System has too little top bass
1. The DM System is in a poor acoustic location
1. Where possible, set up the system in a different position (e.g.
closer to the wall)
2. Equalisers have been set in the “Room Comp” menu
2. Correct or delete the settings for the room adjustment (m =>
(volume level increase)
Speaker Menü => Room Comp => subwoofer)
3. The bass level in the “Tone Control” menu is set to neutral
3. Increase the bass level in the Sound Regulation menu (m =>
or reduced
Speaker Menü => Tone Control => Bass)
4. Use of an external subwoofer with the wrong phasing (phase
4. Correct the phasing on the external subwoofer to suit the
adjustment) between internal and external subwoofers
DM internal subwoofer or change the position of the
external
subwoofer