Sony STR-AZ3000ES Startup Manual page 35

 The output of the HDMI video signals of the receiver may be set to
"HDMI OFF". In this case, set to "HDMI A", "HDMI B", or "HDMI A+B" by
pressing HDMI OUT on the remote control.
 If you want to play HDCP 2.2 or HDCP 2.3 content, connect the
receiver to an HDMI input jack of a TV that is compatible with
HDCP 2.2 or HDCP 2.3.
 Composite video signal input from VIDEO IN jacks cannot be
output to HDMI OUT A or HDMI OUT B (ZONE 2) jacks.
4K or 8K content cannot be displayed at the same resolution as the
source.
 Depending on the TV or the video device, 4K or 8K content may
not be displayed. Check the video capability and settings of your
TV and video device.
 Be sure to use a Premium High Speed HDMI Cable with Ethernet,
which supports bandwidths up to 18 Gbps. For video signals that
require a high bandwidth such as 4K/120p, 8K, etc., be sure to use
an Ultra High Speed HDMI Cable that supports bandwidths up to
48 Gbps.
 If your TV have similar menu for high bandwidth video format,
check the setting on the TV menu. For details on the TV menu
setting, refer to the operating instructions of the TV.
 Be sure to connect the receiver to an HDMI input jack of a TV or
video device that is supporting 4K or 8K. You have to connect an
HDMI cable to an HDMI jack that supports HDCP 2.2 or HDCP 2.3
when you use a playback device for 4K or 8K resolution video
content, etc.
 Disconnect the HDMI cable from the receiver and TV and then
reconnect the cable.
 Supported video signals vary depending on the HDMI IN jack. For
details on the supported video signals, see "Video signals
supported by HDMI jacks" (page 18).
The home menu does not appear on the TV screen.
 The home menu can only be used when you connect the TV to the
HDMI OUT jack on the receiver.
 When you connect the TV to HDMI OUT B (ZONE 2) jack, be sure to
set [HDMI OUT B Mode] to [Main] in the [HDMI Settings] menu.
Press HDMI OUT repeatedly on the remote control to select "HDMI
B" or "HDMI A+B."
 Press HOME to display the home menu.
 Check that the TV is connected correctly.
 Disconnect the HDMI cable from the receiver and TV and then
reconnect the cable.
 The home menu may take some time to appear on the TV screen
depending on the TV.
HDR (High Dynamic Range) images cannot be displayed in HDR
mode.
 Depending on the TV or video equipment, HDR images may not
be displayed in HDR mode. Check the video capability and setting
of your TV or video equipment.
 Depending on the receiver setting, some video equipment may
not output HDR content in HDR mode due to lack of signal
bandwidth, even if both TV and video equipment support HDR. In
this case, set [HDMI Signal Format] of the selected input to
[Enhanced format] or [Enhanced format (4K120, 8K)] in the
[HDMI Settings] menu.
Audio
No sound or only a very low level of sound is heard, no matter
which device is selected.
 Check that all connecting cables are inserted to their input/output
jacks on the receiver, speakers and the devices.
 Check that the receiver and all devices are turned on.
 Check that MASTER VOLUME on the receiver is not set to
"VOL MIN."
 Press SPEAKERS on the receiver to select a setting other than
"SPK OFF" (page 11).
 Check that BLUETOOTH headphones are not connected to the
receiver.
 Press  (muting) to cancel the muting function.
 Try pressing the input button to select the input to which you want
to watch.
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