Yamaha A-S701, Руководство по обслуживанию, Страница: 22 / 77

22
A-S701
A
-S70
1
5 . Indication of input source
The input source when the protection function was activated is indicated.
Turn the
“
TREBLE
”
knob to
“
+
”
and the
“
SPEAKERS
”
knob to
“
A+B
”
. (
Fig. 17)
The input source selected when the protection function was activated is indicated using the “ INPUT ” indicators. (Fig. 17)
• Factory Preset
The backup memory of the microprocessor will be initialized, and the following stored settings will be reverted to the
factory presets. This operation is called
“
factory preset
”
.
a. “ INPUT ” (CD)
b. Protection history (None)
c. Number of times when protection is detected (0 times)
d.
“ PURE DIRECT
”
switch (OFF)
e.
“ z
” (power) switch ON/OFF position
* In the parentheses ( ) are settings when shipped from the factory.
Operation Procedures
With the self - diagnostic function activated, follow the steps below.
1. S et the
S PE AK ER S knob to the
“
A
”
position to reserve reverting to factory presets and the
“ OPTIC A L INPUT ”
indicator lights up. (Fig. 1 8 )
2. Press the
“
z
”
(power) switch to turn off this unit, and then press it again to turn it on and perform the factory
preset.
If CD was the input source when the protection
function was activated, the “CD” indicator lights up.
Fig. 17
When factory preset is reserved
Fig. 18