ONKYO TX-NR900 取り扱いマニュアル

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Listening with headphones
To listen with headphones, plug a pair of headphones with a standard
stereo plug into the PHONES jack on the TX-NR900/900E front panel.
When you connect headphones, no sound will be heard from the speakers.
When the headphones are unplugged, the TX-NR900/900E returns
to its original listening mode. When using the headphones, you can
only use the Direct, Stereo, and Mono listening modes. (Available
modes can vary depending on the current input source.)
If you have selected MULTI CH INPUT, you will only hear the
sound only output to the front right and left channels.
The headphone volume level can be adjusted at the Setup Menu (see
page 65).
Note:
The signal to the remote zone (Zone 2) will not be affected by
whether or not headphones are connected.
Using the sleep time (remote controller only)
The SLEEP button enables you to set the TX-NR900/900E to turn
off automatically after a specified time period. If you press it once,
the TX-NR900/900E will turn off after 90 minutes. Each time it is
pressed thereafter, the remaining time until the TX-NR900/900E
turns off decreases by 10 minutes (i.e., from 90 to 80 minutes).
While, the sleep function is enabled, you can press the SLEEP button
to see how much time is left. If you now press the SLEEP button, the
remaining time will be reduced down to the nearest 10 minutes. If it
is pressed again, then the remaining time will be decreased by 10
minutes each time it is pressed (e.g., if SLEEP is pressed with the
display reading 54 minutes, it will be reduced to 50 minutes. If it is
pressed again, it will then be reduced to 40, then 30, and so on). If the
SLEEP button is pressed when the time displayed is less than 10
minutes, the sleep function is cancelled.
If you are using the remote zone (Zone 2), it will turn off at the same
time as the main zone. If you want to set the sleep function for Zone
2 only, set the sleep function with main zone turned on and then put
the main zone into the standby state.
Temporarily turning off the sound
To turn off the sound momentarily, press the MUTING button on the
remote controller. When pressed, “Muting” is displayed on the TX-
NR900/900E. Press the MUTING button again to turn the sound
back on.
Adjusting the bass and treble
You can adjust the bass and treble levels at the Setup Menu 
→ Audio
Adjust Menu 
→ Tone Control Sub-menu (see page 58). The treble
level affects the front left and right speakers and center speaker. The
Bass level affects the front left and right speakers, center speaker,
and subwoofer. For multichannel sources, these dials will not work if
the tone control is set to “Direct” or “Pure Audio.”
Remote controller
R
ZONE 
2 LEVEL
PHONES
Enjoying music or videos with the TX-NR900/900E
Remote controller
STANDBY/ON
STANDBY
DVD
ZONE
 2 (
)
GRN
REC (
)
RED
AUDIO
SELECTOR
PURE AUDIO
UPSAMPLING
OFF
ON
POWER
MASTER  VOLUME
TUNER
PHONO
NET AUDIO
C D
TAPE
VIDEO 
3
VIDEO 
5
VIDEO 
4
VIDEO 
2
VIDEO 
1
VCR 
2
VCR 
1
DISPL AY
STEREO SURROUND
THX
DSP
REC OUT
ZONE 
2
OFF
RT/ PTY/ TP MEMORY
FM MODE
SETUP
ENTER
RETURN
S VIDEO
AUDIO
VIDEO
L
R
DIGITAL 
VIDEO 
5 INPUT
PRESET
TUNING
CLEAR
ZONE 
2 LEVEL
PHONES
PHONES
MUTING
SLEEP