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16
CONFIGURING THE S170i
BASS/TREBLE
From the <Audio setup> menu, select the <Bass> or <Treble> item using the remote’s [Cursor ],
keys. Using the [Cursor ] keys, you may increase or decrease Bass or Treble settings by ±12 dB by 1
dB steps.
• Bass/treble settings affect only the front channels (left, center, and right), and are active in all listening
modes
• It is often better to “cut” (a minus setting) than boost (a plus setting); for a “warmer” overall sound
try reducing Treble by a few dB instead of boosting Bass, and vice versa.
•If you frequently find yourself selecting large tone control settings, you may be better served by
reexamining your choice of loudspeakers, and your loudspeaker and listening-position locations to
better exploit your room’s acoustics.
LFE CHANNEL
The Low-Frequency Effects channel—-the “point-one” channel in “5.1/6.1”—-is active only with Dolby
Digital or DTS multichannel sources. LFE is employed most often as a supplementary channel to enhance
the dynamic range of very low-frequency sounds; it should not be confused with the S170i’s Subwoofer
output-channel, which may carry most or all bass information from some or all channels, depending on
the configuration of the <Speaker setup> menu page.
From the <Audio setup> menu, select the <LFE channel> item using the remote’s [Cursor ], keys.
Using the [Cursor ] keys, you may decrease the LFE channel setting by as much as 10 dB in 1 dB
decrements.
In most systems the LFE channel setting may be left at 0 dB (no change), because the S170i’s Bass Limiter
(see below) will be set to prevent subwoofer overload. However, if your subwoofer’s headroom is known
to be limited, or if the low-frequency effects of film soundtracks generally seem excessive in your system,
you might profitably try decreasing the <LFE channel> setting by a modest degree.