Sony STR-DE725 - Manual (Page 27)

Understanding the Multi-Channel Surround Displays
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H] OPTICAL
Lights up when the source signal is a digital signal
being input through the OPTICAL terminal.
[U □□ DIGITAL
This indicator lights when the sound field is on and
the unit is decoding signals recorded in the Dolby
Digital (AC-3) format.
[31 Playback channel indicators
The letters light to indicate the channels being played
back.
L: Front Left R; Front Right
C: Center (monaural) LS: Left Surround
RS: Right Surround
S: Surround (monaural or the rear components
obtained by Pro Logic processing) '
The boxes around the letters light to indicate the
speakers used to playback,the channels.
See the next page for details regarding the playback
channel indicators.
g] LF.E.
The letters " L.F.E." light up when the disc being
played contains the LFE (Low Frequency Effect)
channel. When the sound of the LFE channel signal is
actucdly being reproduced, the bars underneath the
letters lights up to indicate the level. Since the LFE
signal is not recorded in all parts of the input signal
the bar indication will fluctuate (and may turn off)
during playback.
[
1
] S.WOOFER
Lights when sub woofer selecdon is set to "YES” and
this unit detects that the disc being played does not
contain the LFE channel signal. While this indicator is
lit. this unit creates a sub woofer signal based on the
low frequency components of the front channels.
fs] Tuner indicators
These indicators light when using the receiver to tune
in radio stations, etc. See pages 34-37 for tuner
operations.
[7] D. RANGE
Lights when dynamic range compression is active. See
page 31 and 32 to adjust the dynamic range
compression.
[8] PRO LOGIC
Lights when this unit applies Pro Logic processing to
two channel signals in order to output the center and
surround channel signals.
HI AC-3
Lights when Dolby Digital (AC 3) signals are input.
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