Sunfire IV manual Speaker Calibration Menu

CHAPTER 4

Speaker Calibration Menu

MAIN MENU

TRIMS

MODES

TONE

INPUTS

SETTINGS

SETTINGS

MAIN ZONE

ZONE 2

SPEAKERS

SPEAKERS

VIDEO

SIZE

SOFTWARE

SPEAKER CALIBRATION

POSITION

CONTROL

CALIBRATION

LEFT MAIN

0.0 dB

L-R CROSSOVER

110 HZ

CENTER

0.0 dB

C-SURR CROSSOVER

90 HZ

RIGHT MAIN

0.0 dB

SUBWFR MODE

NORMAL

Speaker Calibration

RIGHT SIDE AXIS

0.0 dB

RIGHT SURROUND

0.0 dB

The calibration procedure allows

the speakers until they are

RIGHT SURR BACK

0.0 dB

you to adjust the volume level of each

speaker in turn until they are all equal.

playing within 1 dB of each

This will give you the best Home The-

other. Without a meter, you can

ater performance. You should only do

still obtain good results with

SPEAKER CALIBRATION

this calibration when you are sitting in

careful listening.

your usual listening/viewing position.

3. Repeat the procedure several

LEFT SURR BACK

0.0 dB

Preliminary: Play a movie and adjust

times for each speaker until

LEFT SURROUND

0.0 dB

the volume for a comfortable listening

you are satisfi ed they are play-

LEFT SIDE AXIS

0.0 dB

SUBWOOFER

0.0 dB

level. The volume of the calibration test

ing at the same level.

GO TO LEFT MAIN

noise is linked to the setting of the main

4. Press the joystick-up to return

volume control, so if the test noise is

ON-THE-FLY TRIMS ZEROED

to the top of the menu, and

too quiet, turn the main volume up a

then press joystick-left to exit.

little and retry.

The calibration noise generator

The range of adjustment is +/– 10

1. Use the OSD to navigate to

will turn off.

dB (in 0.5 dB steps) for each speaker.

the SPEAKER CALIBRATION

The main volume control adjusts

menu.

Record your levels here:

the volume of all of the speakers up

2. Press the remote's joystick

and down at the same time. They

SPEAKER

dB LEVEL

down to turn on the noise

keep the same relative levels you set

LEFT MAIN

generator. While the test signal

here, that is, they will still be playing

is playing in each speaker, its

as loud or as quiet as each other.

CENTER

level can be adjusted using the

The Dolby Digital, Dolby Pro Logic

RIGHT MAIN

joystick left/right buttons. Ad-

and DTS soundtracks are designed

RIGHT SIDE AXIS

just each speaker in turn until

to be played back in a calibrated

RIGHT SURROUND

they are all equal in volume.

Home Theater. The sounds from each

RIGHT SURR BACK

The best results are obtained

speaker will be at the correct relative

LEFT SURR BACK

if you use a Sound Pressure

levels, as the movie sound director

Level (SPL) Meter. This is a

designed them. Repeat the calibra-

LEFT SURROUND

hand held meter which will ac-

tion if you change any external power

LEFT SIDE AXIS

curately measure and display

amps or speakers, or if you move your

SUBWOOFER

the sound level. Adjust all of

couch relative to the speakers.

40

User's Manual