Rotel RSP-985 User Manual download pdf (Page 25)

RSP-985

Balance Setup Menu

BALANCE SETUP

Noise.........:

Left..........: dB

Center........: dB

Right.........: dB

Right surround: dB

Left surround.: dB

Subwoofer.....: dB

VOL buttons to set

DOWN/UP to move

BACK to return

This menu, also reached from the MAIN screen, adjusts the rela-

tive volume level of all six speakers. Just as you set the delays in

the previous step to ensure that the sound from all of the speakers

arrives at the same time, you also need to ensure that the volume

of the sound from all speakers is the same.

To calibrate levels, turn on the built-in noise generator by high-

lighting the NOISE line of the BALANCE SETUP menu and use the

VOL DOWN/UP buttons to choose the AUTO position. You will hear

noise coming from the first speaker. After three seconds with no

adjustment , the test signal will automatically shift to the next

speaker, continuing through all of the speakers in sequence.

While seated in the normal listening location, listen to hear if one

speaker is significantly louder or quieter than the others. It is best

to identify a speaker that is in the middle range (neither the loud-

est nor the quietest) to use as a reference.

Leaving the volume level of the reference speaker unchanged,

cycle through the other speakers, this time adjusting each of their

volume levels up or down to match the reference speaker, using

the VOLUME DOWN/UP buttons to change the volume of the high-

lighted speaker while the test noise is coming from it. Alterna-

tively, you can switch to the MANUAL noise setting which will

send the noise signal to the speaker you highlight on the menu.

Continue through all of the speakers until they produce the same

output level. It may be necessary to cycle through the speakers,

adjusting volumes several times to get the desired result.

It is also possible to adjust the balance with an external signal,

such as a test signal disc. In this case, turn the noise setting to OFF

and proceed directly to volume settings of individual speakers.

Note: This calibration will be more accurate using a sound pres-

sure level (SPL) meter to measure the output of each speaker. SPL

meters are available from electronics stores, or your authorized

Rotel dealer may loan you one. Set the meter to its SLOW re-

sponse with C-weighting and hold it away from your body. Adjust

each speaker so that the meter provides the same reading for

each of the speakers in your system. Use the MANUAL noise set-

ting. For the most accurate calibration of a surround system, an

SPL meter must be used and all speakers must be calibrated to

produce a 75 dB reading at the listening position.

Once you have completed the balance settings for all of your

speakers, return to the MAIN menu by pressing the BACK button.

Subwoofer Setup Menu

SUBWOOFER SETUP

SW limiter.....: dB

STEREO/P/L SW....:

LFE MIX LEVEL

Dolby Dig......: dB

Dolby Dig. THX.: dB

DTS............: dB

DTS THX........: dB

ENTER enter menu

DOWN/UP to move

BACK to return

This menu, also reached from the MAIN screen, allows you to op-

timize the RSP-985 for your particular subwoofer. The settings in

this menu may be considered to be “advanced” and need not be

adjusted unless specifically desired.

SW LIMITER: The wide dynamic range and impressive bass ef-

fects of today’s source material can overload a subwoofer. This

setting allows you to limit the level of the signal sent to the

subwoofer. Go to the limiter menu by highlighting the SW LIMITER

line and pressing ENTER. An instruction menu appears and a low

frequency noise signal is sent to the subwoofer (or LARGE speak-

ers if no subwoofer is present). Adjust the noise level with the VOL

buttons until you just begin to hear distortion from the speakers.

Press the ENTER button to set the limiter at this level. Press BACK

to return.

STEREO/P/L SW: This setting allows you to override the standard

bass management in STEREO, PRO LOGIC, and DSP MUSIC modes

when LARGE front speakers are selected. Select YES to have a

subwoofer active with LARGE front speakers in these modes. Se-

lect NO if you don’t have a subwoofer. Select NORMAL for the

standard automatic bass management in all modes.

LFE MIX LEVEL: This setting determines the relative signal level of

the LFE (Low Frequency Extension) channel (the .1 channel) rela-

tive to the five full-range channels. It is factory set according to

the standards of Dolby Labs, DTS Technology, and THX Lucasfilm.

The adjustment may be varied for each surround mode according

to personal taste, if desired.

The LFE content of DTS encoded movies is mixed differently than

DTS encoded music. For DTS movies, the LFE MIX LEVEL should

be set to 10dB for correct THX playback. For DTS music, the level

should be set to 0db. THX should not be activated for music play-

back. For Dolby Digital movies, the LFE MIX LEVEL should be set to

10db for proper playback in DOLBY DIGITAL and THX modes.

Once you have completed the subwoofer settings for all of your

speakers, return to the MAIN menu by pressing the BACK button.

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Rotel RSP-985 User Manual Page 25

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