Calibration

The CALIBRATION setting allows you to match the volume level of front and surround speakers with the CENTER channel speaker from the main listening position. When a channel is selected a pink noise signal is generated to best enable you to set the level by using an SPL meter or by ear.

1.From MAIN MENU press selection 6.

2.Press 2 and the CENTER will play a pink noise signal. Measure or make a mental note of the level of output.

3.Press 1 to produce pink noise from FRONT LEFT speaker.

4.Using the VOLUME controls on the right side of the front panel adjust the level of the FRONT LEFT speaker so it is at the same vol- ume as the CENTER speaker. If level matching by ear or instrument, you may have to go between the CENTER and the FRONT LEFT several times, adjusting the FRONT LEFT speaker until they both have the same vol- ume.

5.Repeat steps 2, 3 & 4 for FRONT RIGHT, SURROUND and BACK speakers, matching each to the CENTER speaker from the main listening position.

6.Press 8 to produce pink noise from the SUB- WOOFER. The SUBWOOFER will not sound the same as the rest of the speakers, repro- ducing only the lower frequencies. Adjust the volume as in Step 4 until the SUBWOOFER sounds or measures the same level as the CENTER speaker level.

1	FRONT LEFT	0db
2	CENTER	0db
3	FRONT RIGHT	0db
4	SURROUND RIGHT	0db
5	BACK RIGHT	0db
6	BACK LEFT	0db
7	SURROUND LEFT	0db
8	SUBWOOFER	0db

EXIT

7.Press EXIT to get back to the MAIN MENU.

Note: If a loudspeaker is set to NONE in the Speaker Size menu and you select this speaker (for example you have no back speakers in a 5.1 system and you press Back Right in the Calibration menu) then cali- bration noise will come from the next active speaker in the list (Surround Left in this exam- ple). This is normal, just be sure to select only active speakers when going through the calibration process. You will not be able to adjust the level of speakers which are inac- tive, even if selected.

SPEAKER POSITION		CALIBRATION
1	FRONT LEFT
2	CENTER
3	FRONT RIGHT
4	SURROUND RIGHT
5	BACK RIGHT
6	BACK LEFT
7	SURROUND LEFT

8 SUBWOOFER

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PRePro User’s Guide rev1103

PReProTM specifications

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