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Yamaha AVR-S80 Service Manual page 27

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8. MANUAL TEST
The noise generator built into the DSP outputs the test
noise through the channels specified by the sub-menu.
The noise frequency for LFE is 35 to 250 Hz. Other than
that, the center frequency is 800Hz.
TEST ALL
Noise is output from all channels except
SUB WOOFER.
TEST MAIN R
Noise is output from the MAIN R channel.
TEST REAR L
Noise is output from the REAR L
channel.
9. FACTORY PRESET
This menu is used to reserve and inhibit initialization of the
back-up RAM. The signals are processed using EFFECT
OFF. (The L/R signal is output using ANALOG MAIN
BYPASS.)
CAUTION: Before setting to the PRESET RESERVED,
write down the existing preset memory
content of the Tuner in a table as shown
below. (This is because setting to the
PRESET RESERVED will cause the user
memory content to be erased.)
Preset group
P1
A
B
C
D
E
TEST MAIN L
Noise is output from the MAIN L channel.
TEST REAR R
Noise is output from the REAR R channel.
TEST LFE
Noise is output from the SUB WOOFER
channel.
PRESET INHIBIT (Initialization inhibited) /
RAM initialization is not executed. Select this sub-menu to protect the values set by the user.
Note: The protection history will not be erased using PRESET INHIBIT.
PRESET RESERVED (Initialization reserved) /
Initialization of the back-up RAM is reserved. (Actually, initialization is executed the next time
that the power is turned on.) Select this sub-menu to reset to the original factory settings or to
reset the RAM. Use PRESET RESERVED to erase the protection history.
P2
P3
TEST CENTER
Noise is output from the CENTER
channel.
TEST REAR CENTER
Not used in this model
P4
P5
P6
AVR-S80/NX-SW80
P7
P8
27

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