Speaker Distance; X-Curve; Thx Audio Setting - Pioneer SC-LX81 Operating Instructions Manual

08 The System Setup menu
5 When you're finished, press RETURN.
You will return to the Manual SP Setup menu.
Tip
• The channel level can be changed at any time. Set the
operation selector switch to RCV, then press CH
LEVEL on the remote control, and then use / to
adjust the level.

Speaker Distance

For good sound depth and separation from your system,
you need to specify the distance of your speakers from
the listening position. The receiver can then add the
proper delay needed for effective surround sound.
Important
• When Speaker Distance is selected while MCACC is
set to OFF, the selection screen for the MCACC
memory appears. Select a memory to adjust
manually.
1 Select 'Speaker Distance' from the Manual SP
Setup menu.
4a.Manual SP Setup
A/V RECEIVER
1. Surr Back System
2. Speaker Setting
3. Channel Level
4. Speaker Distance

5. X-Curve

6. THX Audio Setting

Exit
Adjust the distance of each speaker using /.
2
You can adjust the distance of each speaker in 0.01 m
increments.
3 When you're finished, press RETURN.
You will return to the Manual SP Setup menu.
Tip
• For best surround sound, make sure the surround
back speakers are the same distance from the
listening position.
Note
1 Since the principal is the same, X-Curve isn't applied when you're using any of the Home THX modes (see Using the Home THX modes on
page 36).
2 Ultra2 for the SC-LX81, Select2 for the SC-LX71.
3 If you don't have surround back speakers, or just have one, you won't be able to select this setting.
4 • THX Ultra2/Select2 SW can only be selected when SW at Speaker Setting is set to YES or PLUS.
• The BGC setting can only be selected when THX Ultra2/Select2 SW is set to YES.
58
En
4a4.Speaker Distance
A/V RECEIVER
Select MCACC memory.
MCACC OFF
M1.MEMORY 1
Exit Cancel
4a4.Speaker Distance
A/V RECEIVER
MCACC : M1.MEMORY 1
L : 3.61m
C : 3.69m
R : 3.67m
SR : 2.74m
SBR : 5.77m
SBL : 5.13m
SL : 2.26m
SW : 3.54m
Return Exit
X-Curve
Most soundtracks mixed for cinema sound too bright
when played back in large rooms. The X-Curve setting
acts as a kind of re-equalization for home theater
listening, and restores proper tonal balance of movie
1
soundtracks.
1 Select 'X-Curve' from the Manual SP Setup menu.
1. Surr Back System
2. Speaker Setting
3. Channel Level
4. Speaker Distance
5. X-Curve
6. THX Audio Setting
Exit
2 Choose the X-Curve setting you want.
Use / to adjust the setting. The X-Curve is expressed
as a downwards slope in decibels per octave, starting at
2 kHz. The sound becomes less bright as the slope
increases (to a maximum of –3.0dB/oct). Use the
following guidelines to set the X-Curve according to your
room size:
2
Room size (m )
X-Curve (dB/oct)
• If you select OFF, the frequency curve will be flat and
the X-Curve has no effect.
3 When you're finished, press RETURN.
THX Audio Setting
When the THX Loudness Plus function is used, sound
can be played with the full surround effect even when the
volume is low.
For the most effective results when using the THX Ultra2/
2
Select2 Cinema, THX Ultra2/Select2
THX Ultra2/Select2
Using the Home THX modes on page 36) with the
Finish
Advanced Speaker Array (ASA) system (see About THX on
page 121), it is required that you make the setting. See
Placing the speakers on page 26 for more on THX speaker
3
placement.
With some speaker setups, depending on the position of
the subwoofer and the walls in your listening area, you
may experience overly resonant frequencies in the bass.
If you have this problem use the THX Ultra2/Select2
subwoofer setup to switch on BGC (boundary gain
compensation) (see About THX on page 121 for more on
4
this).
4a.Manual SP Setup
A/V RECEIVER
Return
≤36 ≤48 ≤60 ≤72 ≤300
–0.5 –1.0 –1.5 –2.0 –2.5
2
Music Mode and
2
Games Mode listening modes (see
≤1000
–3.0
2