Configuring the User Settings
Setting Description
Allows you to specify the digital audio format delivered over the HDMI output by the
DCX525. Options include Auto, L-PCM, and Pass Through. Auto option is the default
setting.
Auto — Provides the digital audio format specified by the connected device (TV or home
theater receiver) when that device was first connected to the DCX525.
L-PCM — Provides all audio in the Linear Pulse Code Modulation digital audio format. The
L-PCM format is widely supported by most HDMI televisions and home theater receivers.
Pass Through — Provides the same digital audio format on the HDMI output as is
provided with the program being viewed at that time. For example, if the program has a
Dolby Digital soundtrack, the DCX525 passes the Dolby Digital audio to the HDMI output.
This option is most useful when connecting the DCX525 to a home theater receiver that
has HDMI switching capability.
Note: Adjusting these settings could result in a loss of audio. Only a professional installer or
someone with a good working knowledge of the digital audio formats supported by the TV
and/or home theater receiver should change this setting
Allows you to adjust the amount of time the audio signal is delayed with respect to the
video signal on the HDMI output. Some HDMI televisions and home theater receivers add
an extra delay to the video signal during processing which can produce an effect where
the audio noticeably “leads” the video.
By default, this option is set to Auto. The options are used as follows:
Auto — The DCX525 automatically delays the audio signal on the HDMI output by the
amount of time requested by the connected HDMI device.
Manual — The DCX525 delays the audio signal on the HDMI output by the amount of
time selected for the Lip Sync Delay setting.
Off — The DCX525 will not delay the audio signal on the HDMI output.
Available when the Lip Sync option has been set to Manual.
The Lip Sync Delay setting can be adjusted between 0 milliseconds and 500 milliseconds
in 50 millisecond increments.
If the Lip Sync option has been set to either Auto or Off, this option is disabled and can’t
be selected in the menu.
Use this option to adjust the HDMI audio delay if you notice that the video image routinely
seems to be “behind” the audio soundtrack when using your HDMI device.
The set-top provides the same 1080p video format for the HDMI output as the video
format provided with the program being viewed at that time.
For example, if the program has a video format of 1920 x 1080 pixels with progressive
scan at 24 or 30 frames per second, the DCX passes the same video format to the HDMI
output without performing a format conversion. This option is most useful when
connecting the DCX to a television that supports both 1080p24 and 1080p30 in order to
force the best quality video signal to the TV with minimal configuration.
Note: Not all televisions will support all available video formats. Consult the television’s user
manual for more information on video format compatibility.
Returns you to the User Settings Menu main screen.
All-Digital, High-Definition Set-top DCX525 • User Guide 24
© ARRIS Enterprises, Inc. 2015 All rights reserved. 365-095-25821 x.2
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