Bedienungsanleitung Harman Kardon AVR254 (Seite 47 von 76) (Englisch)

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ADVANCED FUNCTIONS

played through the front left and right speakers and the special

low-frequency effects (LFE) channel information.

LFE: This setting plays low-frequency information contained in the

left and right program channels to the front speakers, and directs

only the LFE channel information to the subwoofer.

NOTE: If you are using a Harman Kardon HKTS Series speaker

system, select the appropriate numeric crossover frequency for

the Left/Right, Center, Surround and Surr Back lines, and the

subwoofer will automatically be set to LFE.

The Speaker/Channel Indicators on the front panel of the receiver (see

Figure 58) will display the speaker size settings as follows. For each

speaker configured numerically, a single box will appear in the position

for that speaker. For each speaker configured as LARGE, a double box

will appear in its position. If a speaker is configured as OFF, no box will

appear. The subwoofer will be indicated by a single box, or no box if

no subwoofer has been configured. The letters inside the boxes appear

when a digital

signal is being received that has that channel discretely

encoded.

The letters flash when the signal is not present, such as when

a DVD is paused. A line will connect the SBL and SBR boxes when a

6.1-channel signal is detected, indicating that the same signal is playing

through both speakers.

Adjust Speaker Distance Menu

As explained above in Step Two – Measure Speaker Distances, some-

times the speakers are placed at different distances from the listening

position, which can muddy the sound, as sounds are heard earlier or

later than desired.

Even if all of your speakers are placed the same distance from the

listening position, do not skip this menu.

On the Manual Speaker Setup menu, move the cursor to the Distance

line and press the Set Button to display the Adjust Speaker Distance

menu. See Figure 63.

Figure 63 – Adjust Speaker Distance Menu

This menu requires you to enter the distance from each speaker to the

listening position, which you measured in Step Two – Measure Speaker

Distances and noted in Table A4 in the appendix.

The default unit of measurement is feet. If you wish to change the unit

to meters, press the Back/Exit Button until you return to the main AVR

menu. Scroll down to the System line, and select it to view the System

Settings menu. Scroll down this menu to the General AVR Settings

section, and select the Unit of Measure line. Press the OK Button to

change the setting from Feet to Meters.

Use the

⁄

Buttons to move the cursor to the Front Left line, press

the OK Button then use the

‹

›

Buttons to change the measurement

as needed. The values vary between 0 and 30 feet, with a default of

10 feet for all speakers. Use the

⁄

Buttons to move to each

speaker in turn – Center, Front Right, Surround Right, Surround Back

Right, Surround Back Left, Surround Left and Subwoofer, if present in

your system.

NOTE: When the multiroom system is in use, the surround back

channels are automatically assigned to the multiroom system, as

mentioned earlier. You will not be able to adjust the delay settings

for these channels, and the cursor will skip past them.

Step Four – Setting Channel Output Levels

Manually

For a conventional 2-channel receiver, the balance control enables the

user to control the stereo imaging by adjusting the relative loudness of

the left and right channels, as heard at the listening position.

With up to seven main channels plus a subwoofer, imaging becomes

both more critical and more complex. Unlike the rotary balance control,

the goal of the AVR 254’s channel output adjustment process is to

examine the output level of each channel independently and ensure

that each is heard at the listening position with equal loudness.

If you followed the instructions in the Initial Setup section, then you

let EzSet/EQ calibration handle this critical task for you, simply and

automatically.

However, if you prefer to make these adjustments manually, the

AVR 254’s Adjust Speaker Levels menu allows you to do so, either

using the system’s test tone or while playing source material. In addition,

this is the only method for adjusting the level of the subwoofer.

If you use a handheld SPL meter (available at many electronics stores),

set it to the C-Weighting, Slow scale.

1. Make sure all speakers have been connected correctly.

2. Adjust the number of speakers, crossover, distance and sub mode

for each speaker in your system as described in Step Three.

3. If you are using a handheld SPL meter with source material, such

as a test disc or another audio selection, play it now and adjust the

AVR’s master volume control until the meter measures 75dB.

4. There are several methods of adjusting the channel output levels,

using either the test tone or source materials. In all cases, you may

measure the channel levels in one of two ways:

a) By ear. Try to adjust the levels so that all channels sound equally loud.

b) Using a handheld SPL meter set to the C-Weighting, Slow scale.

Try to adjust each channel so that the meter reads 75dB.

AVR254om.qxd 3/28/08 12:46 PM Page 47

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