Home Theatre SystemHT-A9

[Sound Field Optimization]

This function automatically measures the positions of the four speakers and the distance from each speaker to the ceiling, and optimizes the surround sound quality to suit your environment.

Follow the on-screen instructions to start the measurements. During the optimization, the speakers will make a sound for about a minute.

[Manual Speaker Settings]

You can set the speaker placement in relation to the TV or set the listening position to obtain the best possible surround sound.

• [Sound Field Adjustment]

  [Direction of sound field]: Set the positional relationship between the front speakers and the TV, and between the speakers and the listening position by following on-screen instructions. This is to adjust the direction where you can hear sounds such as dialogue to improve the sense of unity between the image and sound, and to adjust the direction and balance to improve realism of the sound.

  [Height of sound field]: Adjust the height of the sound field.

  [Sound from subwoofer](*): Select the distance from the listening positon to the optional subwoofer. This is to adjust the timing of the subwoofer sound according to the distance.

  ^*This item appears when using the optional subwoofer.

• [Test Tone]

  The test tone is emitted from the speakers for checking the available speakers.

  [On]: The test tone is emitted from the speaker.

  [Off]: The test tone is not emitted from the speakers.

[Wireless Speaker Settings]

You can adjust various items related to wireless connection between the speaker system and optional subwoofer.

• [Link mode]

  You can set the connection method for the optional subwoofer.

  [Auto]: Connects the optional subwoofer to the speaker system automatically.

  [Manual]: Connects the four supplied speakers and optional subwoofer manually.

• [Start manual linking]

  Perform manual connection between the four supplied speakers or optional subwoofer and the control box. For details, see “ If the Speakers Are not Connected Correctly ” or refer to the operating instructions supplied with the optional subwoofer.

• [Check wireless connection]

  You can check the connection status of the four supplied speakers and optional subwoofer.

• [RF Channel]

  You can minimize interference with other wireless devices.

  [On]: Normally select this. The speaker system automatically selects the better channel for transmission. This is the stronger mode for wireless interference.

  [Off]: The speaker system selects a channel from the limited frequency band to prevent external wireless interference. If sound dropping occurs while [On] is selected, it may be improved by selecting [Off].

• [Wireless Playback Quality]

  You can set the wireless playback quality of the four supplied speakers and optional subwoofer.

  [Sound Quality]: The sound quality takes priority over the connection status of the wireless connection.

  [Connection]: The connection status takes priority over the sound quality.

• [Software Version]

  You can check the software version of the four supplied speakers and optional subwoofer.

[TV Center Speaker Mode]

If you connect the speaker system and TV with the HDMI cable (supplied) and the TV center speaker mode cable (supplied), you can output the center speaker portion of the speaker system sound from the TV. Set [Control for HDMI] to [On].

[On]: Uses a TV compatible with this feature as the center speaker. You can output the center speaker portion of the speaker system sound from the TV.

[Off]: Off