Display and audio settings on HMP

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The "Display & Audio" page of HMP Control Center allows configuring display and audio related settings, grouped under the following sections:

  • Display
  • Audio
  • Power
  • Other

These sections are further detailed below.


This section groups several options related to the configuration of the players' video output signal mode.

Simple configuration

Display settings for simple configuration

The options included in this section are:

  • Configuration type
    Select the configuration type between "Simple", "Advanced", and "Custom".
  • Display settings
    Select the video output signal mode from a fixed number of common video modes, divided in three categories:
    • TV Screen (16:9): 720p @ 50/60Hz, 1080p @ 50/60Hz, 4K UHD 50/60Hz (only on HMP400 and HMP400W).
    • Computer Monitor (4:3): VGA 640x480, XGA 1024x768, SXGA+ 1400x1050.
    • Wide Computer Monitor (16:10): WXGA 1280x800, WSXGA+ 1680x1050.
  • Screen orientation
    Allows rotating or flipping the HMP video output signal to match the screen orientation, by selecting one of the following values: "Horizontal" (default value), "Vertical (CW)", "Vertical (CCW)", "Rotate 180", "Flip Vertical", "Flip Horizontal".
  • Video Output Selector
    Select between "HDMI" and "DisplayPort Alt Mode" output for HMP400 and HMP400W.

Advanced configuration

Display settings for advanced configuration

Upon selecting the "Advanced" configuration type, the "Display settings" option is replaced by "Custom video mode" option, and "HDMI display supports underscan" option is added. The "Screen aspect ratio" and "Screen orientation" options are the same as above.

  • Custom video mode
    Allows selecting the HMP video output signal mode as resolution@refresh_rate from the "standard video modes" provided by the HMP.
  • HDMI display supports underscan
    This option enables / disables the underscan feature for HDMI connection. The HMP supports underscan for HDMI connection, meaning that all pixels of the image are displayed by the screen, which is standard behavior for computer monitors as opposed to consumer televisions. This feature does not affect connections using DVI.

Custom configuration

Display settings for custom configuration

The custom configuration is similar to the advanced configuration, the only difference being that the "Custom video mode" option allows setting custom resolutions for non-standard screens, either as a CVT Mode or as a Fixed Mode.

See the Custom display settings page for more details.


Audio settings

The following options are available:

  • Enable audio output
    Activate or deactivate the audio output signal.
  • Target audio output
    When the audio is enabled, select between
    • HMP350/HMP300: "HDMI" and "Line out"
    • HMP400/HMP400W: "HDMI", "DisplayPort Alt Mode", and "Built-in Audio Analog Output"; other audio adapters/devices capable of digital-to-analog conversion might be listed here as well.
  • Disable audio when screen is turned off
    Select this to stop the audio when the screen is turned off.


Display power saving every day
Display power saving per weekday

From this section you can manage the display power saving, through HDMI-CEC and / or RS-232. If the selected video output does not support CEC, display power management may not be fully supported.

  • Enable display power management
    Click to toggle the display power management through HDMI-CEC.
    When enabled, the player will automatically turn on the screen when running, unless instructed otherwise through a fixed or custom display power saving schedule.
  • Schedule (added in firmware 4.6.1)
    Select a predefined schedule for display power saving from:
    • "None"
    • "Fixed" (previously "Use fixed schedule for display power") → enter the time of the day when the player shall turn on / off the monitor.
    • "Daily" → enter the time when the player shall turn on / off the monitor per the week day.
Note Notes:


Other display settings

The following options are available:

  • Overscan percentage
    Set the "Overscan percentage" value between 0 and 5. This allows choosing the size (in percentages) of the black frame added by the HMP to compensate for the overscan of the HDMI-connected screen. This cropping is also known as underscan and it has an effect only when "HDMI display supports underscan" option is disabled.
  • HDMI link type (HMP350/HMP300 only)
    Can be used to force the HDMI link to use HDMI of DVI signal, in case the automatic detection do not work.
This page was last modified on 21 October 2020, at 15:41.