Adjusting The Acoustic Image (Bi-Phantom); Mixing Bass Sound To The Rear Channel (Rear Mix); Achieving Powerful High Volume Sound (Listening Mode); Adjusting The Speaker Levels (Output Level) - Alpine IVA-D105R Owner's Manual

Adjusting the acoustic image
(BI-PHANTOM)
In most installations, the centre speaker must be placed directly between
the front passenger and driver. Using this function, the centre channel
information is distributed to the left and right speakers. This creates an
acoustic image simulating a centre speaker directly in front of each
listener. Adjusting the centre width in PL II MUSIC (see "Using the Pro
Logic II Mode," page 50), makes this function ineffective.
• Avoid stopping, pausing, switching the disc, cueing, fast-forwarding
or switching the audio channel of this unit while making this
adjustment. The setting is cancelled if the Decode mode is switched.
Touch [ ] or [ ] of BI-PHANTOM to adjust the level.
The level can be adjusted within the range of -5 to +6 (when
setting the A.PROCESSOR mode: -5 dB to +5 dB). The higher
the level, the more the position of the centre speaker is shifted to
the sides.
The BI-PHANTOM function is turned off by touching [OFF].
• This adjustment is effective when the setting of the centre speaker to
SMALL or LARGE in the speaker setup settings.
• This adjustment is ineffective when the speaker is set to CENTER
OFF in "Setting the Speakers" (page 45).
Mixing bass sound to the rear channel
(REAR MIX)
This function mixes the front channel audio signals to the audio signals
output from the rear speakers, improving the sound in the vehicle's rear
seat.
• Avoid stopping, pausing, switching the disc, cueing, fast-forwarding
or switching the audio channel of this unit while making this
adjustment. The setting is cancelled if the Decode mode is switched.
Touch [ ] or [ ] of REAR MIX to adjust the level.
The level can adjusted in five steps: -6, -3, 0, +3 and +6. The
higher the level, the more bass is output from the rear speakers.
(The effect differs according to the software (DVD, etc.).)
The REAR MIX function is turned off by touching [OFF].
• This adjustment is ineffective when the rear speaker setup setting is
set to "OFF."
• For linear PCM signals, the voice is output from the rear speaker
regardless of the REAR FILL and REAR MIX setting.
Achieving powerful high volume sound
(LISTENING MODE)
With Dolby Digital, the dynamic range is compressed so that powerful
sound can be achieved at regular volume levels. This compression can
be cancelled to achieve an energetic sound with even greater power, like
the sound in a movie theater.
This function works only in the Dolby Digital mode.
Touch [ ] or [ ] of LISTENING MODE to select STD or MAX.
STD: For powerful sound at regular volume levels
MAX.: For powerful sound at high volumes
• Keep the volume to a level at which sounds outside the vehicle can
still be heard.
Adjusting the speaker levels (OUTPUT
LEVEL)
The test tones help to make the volume adjustments of the different
speakers. When levels are equal, a strong sense of presence can be heard
from the different speakers at the listening position.
• Avoid stopping, pausing, switching the disc, cueing, fast-forwarding
or switching the audio channel of this unit while making this
adjustment. The setting is cancelled if the decode mode is switched.
1 Touch [AUTO] of OUTPUT LEVEL.
Test tone output is repeated for each of the different
speaker channels. They will be repeated in the order
shown below.
If no operation is performed for 2 seconds, the channel
switches to the next channel.
Left Center Right
Left surround Left
2 While the test tone is being produced from the speakers,
touch [ ] or [ ] of OUTPUT LEVEL balance the output
from all the speakers.
• The adjustment range for the different speakers is
–6 dB - +6 dB (when setting the A.PROCESSOR mode:
–10 dB to +10 dB).
• Adjust based on the front speakers.
• If a speaker is set to off mode, that speaker's level adjustment cannot
be made.
Refer to "Speaker Setup" (page 48).
• When this setting is mode using DVD 5.1CH, perform this with no
disc inserted in the unit.
Setting the Output Channel (OUTPUT
MODE)
The sound output mode of the internal DVD player can be switched
between 2CH and 5.1CH.
• Avoid stopping, pausing, switching the disc, cueing, fast-forwarding
or switching the audio channel of this unit while making this
adjustment. The setting is canceled if the Decode mode is switched.
Touch [ ] or [ ] of OUTPUT MODE to select AUTO or
STEREO.
AUTO: The sound output mode will automatically be
switched between 2CH and 5.1CH according the
number of channels available on the disc to be
played and the contents of the SETUP items.
STEREO: The sound output mode will exclusively be switched
to 2CH regardless of the number of channels on the
disc and its SETUP item contents.
When STEREO is set, rear and front output is the
same.
• If this setting is switched from AUTO to STEREO, the front speaker
setting of SPEAKER SETUP is switched to "LARGE."
• Depending on the AUTO or STEREO setting, adjusting BASS/TRE,
T.CORR, Bass Sound Cont. contents cannot be made. Also operation
cannot be performed.
Disc OUTPUT BASS/TRE
MODE
2CH STEREO
MULTI CH STEREO
DOLBY 2CH
AUTO
DTS 2CH
Right Surround
T.CORR Bass Sound
Cont.
– –
– –
–
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