![background image](http://html1.mh-extra.com/html/onkyo/ht-r648/ht-r648_instruction-manual_1636519063.webp)
63
En
■
When performing “Automatic Speaker Setup”,
the measurement fails showing the message
“Ambient noise is too high.”
■
The following settings can be made for the
composite video inputs
You must use the buttons on the unit to make these
settings.
On the AV receiver, press the input selector for the
input source that you want to set and the
SETUP
button
simultaneously. While holding down the input selector
button, press
SETUP
until “
Video ATT:ON
” appears
on the display. Then, release both buttons. To reactivate
the setting, repeat the above process so that “
Video
ATT:OFF
” appears on the display, and release the
buttons.
• Video Attenuation
This setting can be made for the
BD/DVD
,
VCR/DVR
,
CBL/SAT
,
GAME
, or
AUX
input.
If you have a game console connected to the composite
video input, and the picture isn’t very clear, you can
attenuate the gain.
Video ATT:OFF:
(default).
Video ATT:ON:
Gain is reduced by 2 dB.
■
If the picture on your TV/monitor connected to
HDMI OUT is unstable, try switching the
DeepColor function off
To turn off the DeepColor function, simultaneously
press the
CBL/SAT
and
8
ON/STANDBY
buttons on
the AV receiver. While holding down
CBL/SAT
, press
8
ON/STANDBY
until “
Off
” appears on the display.
Then, release both buttons. To reactivate the DeepColor
function, repeat the above process until “
On
” appears
on the display and release the buttons.
This can be caused by any malfunction in your
speaker unit. Check if the unit produces normal
sounds.
—
The AV receiver contains a microcomputer for signal
processing and control functions. In very rare situations,
severe interference, noise from an external source, or
static electricity may cause it to lockup. In the unlikely
event that this happens, unplug the power cord from the
wall outlet, wait at least five seconds, and then plug it
back in.
Onkyo is not responsible for damages (such as CD
rental fees) due to unsuccessful recordings caused by
the unit’s malfunction. Before you record important
data, make sure that the material will be recorded
correctly.
Before disconnecting the power cord from the wall
outlet, set the AV receiver to Standby.
Summary of Contents for HT-R648
Page 75: ...75 En Memo...