Integra DTR-50.6 Advanced Manual page 70

When performing Automatic Speaker Setup, the
measurement fails and the message "Ambient noise is
too high." is displayed.
This can be caused by a malfunction in your speaker
unit. Check if the unit produces normal sounds.
The display is dark
Make sure that Dimmer function is not working. Press
Dimmer button and change the brightness level of the
display.
The following settings can be made for the
composite video inputs
While holding down the input selector button
to configure, press Home once at a time until
"Video ATT:On" appears on the display. To resume
the setup, repeat the above described step until
"Video ATT:Off" appears on the display.
This setting is possible for input selectors assigned
with one of the video inputs "VIDEO 1" to "VIDEO 3" in
you have a game console connected to the composite
video input, and the picture is not very clear, you can
attenuate the gain.
Video ATT:Off: (Default).
Video ATT:On: (Gain is reduced by 2dB.)
The picture on your TV/monitor connected to the
HDMI output(s) is unstable
Try turning the DeepColor function off.
To turn off the DeepColor function, press STB/DVR and
On/Standby on the AV receiver simultaneously.
While holding down STB/DVR, press
several times until "Deep Color:Off" appears on the
display. To reactivate the DeepColor function, repeat the
above described step until "Deep Color:On" appears on
the display.
The AV receiver contains a microPC 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 5 seconds, and then plug it back in.
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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.
On/Standby
Troubleshooting