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4. OPERATION continued …
4.5 VOLUME CONTROL
Front Panel:
MAIN – Adjust using the Master Control Knob. If levels have been
calibrated in menu 3, set Volume to 0 dB for the playback level at
which the film was presented in theaters.
ZONE2 or ZONE3 – Press ZONE2 or ZONE3, then adjust.
HEADPHONE – While in MAIN, press FRONTS twice, then adjust.
Remote Control:
After the appropriate control mode is set, use the VOL
+
and VOL keys.
Mute:
When MUTE is pressed, the audio of the selected Path is silenced or reduced in level according to menu 10.
To un-mute, press MUTE again or adjust volume.
Dialog Normalization:
Dolby Digital program material contains non-audio data which the AVM 50 uses to adjust playback level,
when necessary, so that volume variations between movies and programs are eliminated. Without Dialog
Normalization, movies not encoded at standardized levels for the dialog could lose dynamic range – higher
levels can result in distorted peaks, lower levels can result in quiet sounds disappearing into the noise floor.
Dialog Normalization also ensures that Dynamics control (section 4.8.10) works as intended.
If the display reads “Dial Norm Offset -4.0 dB” at the start of a movie, it is indicating that the encoded level
is higher than standard by 4.0 dB – the playback level of all channels is then automatically reduced by 4 dB.
4.6 SURROUND MODE LEVELS
The AVM 50 memorizes the level of one group of channels relative to another separately for each surround
mode (section 4.8), and for the 6-Ch input. To make a change for the surround mode that is currently playing,
adjust using the Master Control knob or on the remote as follows:
• Fronts: Press FRONTS, then adjust (this changes Left, Center, and Right
levels together).
• Center: Press CENTER, then adjust.
• Surrounds: Press SURR • REARS, then adjust.
• Rears: Press SURR • REARS twice, then adjust.
• Subwoofer Only: Press SUB • LFE, then adjust. Pressing SUB • LFE twice allows you to reduce the
level of the ‘.1’ LFE channel while leaving the bass derived from the other channels unchanged.
Certain movies exhibit prodigious levels of bass, and may need LFE adjustment.
To reset all to 0 dB, see section 3.13.
When listening in Stereo with Front speakers set to ‘Large’, the Subwoofer must be set to ‘Super’ in
menu 3 if you want it to play.
MASTER
CONTROL KNOB
SLEEP
INPUT
FRT CTR
T
H
X
T
I
M
E
R
S
S
T
A
T
U
S
PIP SWAP MOVE
SSP SOURCE
COPY
AUX TAPE
DVD
TV SAT
VCR
CD
DVD
TV
SAT VCR
B
A
S
S
T
R
E
B
L
E
B
A
L
A
N
C
E
2-Ch
CD
REC
MAIN
Z2
Z3
SSP PATH
D
Y
N
A
M
I
C
S
VOLUME CH PRE-SET
FM/AM PRE-SETS
TUNE
SEEK
SOURCE SEEK
L
E
A
R
N
ENTERMUTE
78
0
9
SELECT
SUB
LFE
FM
AM
SUR
RR
S
S
P
O
F
F
D
I
S
P
L
A
Y
T
O
N
E
B
Y
P
A
S
S
M
O
D
E
O
N
S
C
R
E
E
N
I
N
F
O
G
U
I
D
E
B
A
C
K
S
E
T
U
P
12
3
4
5
6
P
O
W
E
R
6-Ch
S
S
P
P
A
T
H
S
S
P
O
F
F
LAST