Integra DTR-10.5 instruction manual Notch Filter Sub-menu, Level Calibration Sub-menu

Speaker/Output Setup—Continued

Perform the setup procedure below following the operating instructions described on page 86.

1.Select the unit of distance from “Unit.”

You can select either “feet” or “meters.” The default varies depending on the region.

2.Set the distance you measured. Enter all the values for every speaker you connected.

•For any speaker that is not available or set to “Not Used” in the Speaker Configuration sub-menu, no associated setting item is displayed.

•If “Surr Back” is set to “BTL for Front” or “Bi-Amp for Front” on the Speaker Configuration sub-menu,

no item for surround back speakers is displayed.

When “feet” is selected:

Front L, Center, Front R, and Subwoofer can be set at

0.1foot intervals in a range from 1.0 foot to 30.0 feet. The default is 12.0 feet.

Surr R, Surr Back (or Surr Bk R and Surr Bk L), and Surr L can be set at 0.1 foot intervals in a range from 1.0 foot to 30.0 feet. The default is 7.0 feet.

When “meters” is selected:

Front L, Center, Front R, and Subwoofer can be set at

0.03meter intervals in a range from 0.30 meters to 9.00 meters. The default is 3.60 meters.

Surr R, Surr Back (or Surr Bk R and Surr Bk L), and Surr L can be set at 0.03 meter intervals in a range from

0.30meters to 9.00 meters. The default is 2.10 meters.

Notch Filter Sub-menu

To configure the settings under the Notch Filter sub- menu, a special measuring device is required. Usually, leave these settings to their defaults, “Off.”

A notch filter cuts the signal of certain frequency ranges and passes the rest of the signal through. Some characteristics due to a room's environmental elements, including walls and smallness of the room, cause a signal peak in certain low frequencies to occur at the resonance frequency, resulting in a boomy sound. The filter reduces the signal at these frequencies causing the boomy sound.

To know which frequency the peak occurs at, use a low frequency sine wave generator and SPL (Sound Pressure Level) meter to check the frequency and the notch value.

Notch Filter

Off (Default): Select this setting when not applying the notch filter.

On: Select this setting when applying the notch filter.

Frequency

When setting “Notch Filter” above to “On,” the notch filer becomes effective at the frequency you specify here. With your measuring device, the frequency value can be set at 1 Hz intervals in a range from 20 Hz to 300 Hz. The default is 100 Hz.

Depth

When setting “Notch Filter” above to “On,” the notch filter becomes effective at the value you specify.

You can specify intervals of 0.5 dB in a range from –15 dB to 0 dB. The default is –10 dB.

Width

The available setting values are calculated based on the values specified in the “Frequency” and “Depth” settings above. You can choose any values according to your favorite sound.

Level Calibration Sub-menu

Use this sub-menu to set the volume for each speaker so that each volume is heard by the listener at the same level. This is especially important for speaker layouts where the left and right speakers are at different distances or in asymmetrical positions due to room designs and configurations. These settings and the distance settings performed in the Speaker Distance sub-menu are vital for creating proper sound space and dynamics. The settings in the Level Calibration sub-menu can be configured for both “Main A” and “Main B.”

•These settings cannot be made when the sound is muted, when you connect the headphones, and when you use multichannel playback.

•You cannot use the [Master Volume] dial while you perform the Level Calibration settings. These settings are intended to bring sound levels between speakers into balance so as to obtain the proper sound space.

•This unit supports the THX format and the test tone is output at a standard 0 dB (the Absolute

Volume value is 82). If you usually enjoy listening at a lower level than the test tone, be careful of the test tone’s sudden loud sound. Note that the test tone will be output immediately after pressing the [Enter] button in step 1 below.

1.When you display this setting screen, select “Level Calibration,” and press the [Enter] button, the display changes to the Level Calibration screen, and at the same time, a sound is emitted from the front left speaker.

2. Starting with the front speaker, press the [	]/[	]
buttons to select a speaker, and press the [	]/[	]

buttons to set the volume level. When you have set all connected speakers, the setup is complete.

You can adjust in the range from –12 dB to +12 dB in

0.5dB step. The subwoofer can be adjusted in the range from –15dB to +12 dB in 0.5 dB step.

• For any speaker that is not available or set to “Not Used” in the Speaker Configuration sub-menu, no associated setting item is displayed.

• If “Surr Back is set to “BTL for Front” or “Bi-Amp for Front” on the Speaker Configuration sub-menu, no item for surround back speakers is displayed.

90