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Yamaha DSP-AX1 Owner's Manual: Dolby Surround Test

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Dolby Surround Test

Use the Dolby Surround Test to balance the output levels of speakers required for surround sound systems.
TEST
L
28
Speaker Output Levels
C
R
RC
Press TEST on the remote control so "TEST DOLBY SUR."
1
1
appears on the video monitor and front panel display.
Adjust VOLUME +/– so you can hear the test tone.
2
2
• The test tone is produced from the left Main speaker, Center speaker, right
Main speaker, right Rear speaker, Rear Center speaker and left Rear
speaker in order. The tone is produced for 2.5 seconds each time.
• You can stop the sequence temporarily by pressing
Adjust the output level of the effect speakers using the cursor – or +
3
3
buttons on the remote control so the output level coming from each
speaker is the same.
• You can increase the output levels of the effect channels (left Rear, right
Rear, Rear Center and Center) to +10 dB. If the output level of the Center,
Rear, and Rear Center speakers is lower than that from the Main speakers
even after you have increased the sound volume level of the Center, Rear,
and Rear Center speakers up to +10 dB, set the 1G. MAIN LEVEL item in
the SET MENU to "–10dB." Setting the 1G. MAIN LEVEL item to this
setting decreases the Main speaker volume level to about one-third the
normal level. After you set the 1G. MAIN LEVEL item in the SET
MENU to "–10dB," adjust the levels for the Center, Rear, and Rear Center
speakers again.
4
4
When you finish adjusting the output level of the Center, Rear, and
Rear Center speakers, press TEST repeatedly until the current DSP
program appears.
Note:
• The tonal quality of the speakers can be adjusted using the 7. CENTER GEQ, 8.
REAR CT GEQ, and 9. CINEMA EQ items in the SET MENU (see page 45~46).
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