10
SPA21 SURROUND AMPLIFIER USER GUIDE
11
SPA21 SURROUND AMPLIFIER USER GUIDE
Changing the volume
The SPA21 allows you to vary the volume from
0 (silence) to 99 (maximum volume), where each step
is equivalent to 0.5dB.
To change the volume
• Rotate the VOLUME control on the front panel, or
press the or buttons on the remote control.
To mute the sound
• Press the MUTE button on the remote control or
shortly press the standby button on the front panel.
To restore the sound to its original volume
• Press the MUTE button again.
The sound is also restored to its original volume if you
increase or decrease the volume.
Changing levels
You can independently change the balance, center level,
side levels, rear levels, and subwoofer level to alter the
balance of sound in your surround system. Changing the
balance alters the level of both the left and right main
loudspeakers to shift the position of the stereo image,
keeping the overall level of the sound the same. The
other adjustments change the level of the corresponding
speaker(s) without affecting the remaining speakers in the
surround system.
To change a level
• Press the LEVEL button on the front panel, or the
BAL/SETUP button on the remote control, until the
display shows the current value of the level you want
to change.
For example:
OPERATING THE SPA21
This chapter explains in details how to operate
the SPA21 Surround Amplier, using either the
front panel controls or the direct remote control
commands.
• Use the VOLUME control on the front panel, or the
or buttons on the remote control, to adjust the
value of the level.
After a short delay the display will revert to volume.
The levels are selected in the sequence shown in the fol-
lowing table:
Display Level Range
LEFT, Balanced, RIGHT Balance Balanced to -9.5 dB to
OFF
CENTER Center -10.0 dB to +10.0 dB
SURR Surround -10.0 dB to +10.0 dB
BACK Surround back -10.0 dB to +10.0 dB
SUB Subwoofer -10.0 dB to +10.0 dB
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