5
STR-K990
About the indicators on the display
SW
LFE
SP A
SP B
L
C
SL
S
;
D
;
PL
;
PL II
OPT
DTS
MEMORY
ST
MONO
D.RANGE
COAX
R
SR
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qs
qf
qd
Name
Function
A
SW
Lights up when the audio signal
is output from the SUB
WOOFER jack.
B
LFE
Lights up when the disc being
played back contains an LFE
(Low Frequency Effect)
channel and the LFE channel
signal is actually being
reproduced.
C
SP A/SP B
Lights up according to the
speaker system used (page 30).
However, these indicators do
not light up if the speaker output
is turned off or if headphones
are connected.
D
;
D
Lights up when the receiver is
decoding Dolby Digital signals.
Note
When playing a Dolby Digital
format disc, be sure that you
have made digital connections
and that INPUT MODE is not
set to “ANALOG” (page 59).
E
;
PL II
Lights up when the Pro Logic II
Movie/Music decoder is
activated.
F
;
PL
Lights up when the receiver
applies Pro Logic processing to
2 channel signals in order to
output the center and surround
channel signals.
Name
Function
Lights up when VIDEO 2 input
is selected. However,
“UNLOCK” appears on the
display if no digital signal is
input through the OPTICAL
jack.
“OPT” also lights up when SAT
input is selected if
– INPUT MODE is set to
“AUTO IN” and the source
signal is a digital signal being
input through the OPTICAL
jack.
– INPUT MODE is set to “OPT
IN” (page 59).
H
DTS
Lights up when the receiver is
decoding DTS signals.
Note
When playing a DTS format
disc, be sure that you have made
digital connections and that
INPUT MODE is not set to
“ANALOG” (page 59).
I
MEMORY
Lights up when a memory
function, such as Preset
Memory (page 56), etc., is
activated.
J
Tuner
indicators
Lights up when using the
receiver to tune in radio stations
(page 55), etc.
K
Preset
station
indicators
Lights up when using the
receiver to tune in preset radio
stations. For details on
presetting radio stations, see
page 56.
L
D.RANGE
Lights up when dynamic range
compression is activated (page
41).
M
COAX
Lights up when INPUT MODE
is set to “AUTO IN” and the
source signal is a digital signal
being input through the
COAXIAL jack, or when
INPUT MODE is set to “COAX
IN” (page 59).
N
Playback
channel
indicators
L
R
C
SL
SR
S
The letters (L, C, R, etc.)
indicate the channels being
played back. The boxes around
the letters vary to show how the
receiver downmixes the source
sound.
Front Left
Front Right
Center (monaural)
Surround Left
Surround Right
Surround (monaural or the
surround components obtained
by Pro Logic processing)
Example:
Recording format (Front/
Surround): 3/2.1
Sound Field: A.F.D. AUTO
SW
L
C
R
SL
SR
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