Yamaha RX-A760, Service Manual

Page: 68 / 170

68
RX-V681/RX-A760
RX-V681/RX-A7
60
P2. PROTECTION HISTORY
This menu is used to display the history of protection function.
All history of protection function will be erased by pressing the
“
STRAIGHT
”
key.
* Numeric values in the figure are given as reference only.
2-1. History 1
P2-2. History 2
P2-3. History 3
P2-4. History 4
P2-1
1.PS1 xxx
P2-2
2.I
P2-x
X.TIME: -----M
P2-3
3.TMP1 xxx
P2-x
X.INPUT:------
P2-4
4.SPK
P2-x
X.VOL.: -.-dB
xxx: A/D conversion value of
voltage at the moment
when the protection
function worked.
(Reference voltage: 3.3 V
=255)
Setting information for operation of the protection function
POWER ON TIME
The operation time of the power relay (RY106 of
MAIN (3) P.C.B.) is displayed by the unit time of
minute.
0 to 99999 minute (maximum)
INPUT
The input source which was selected last is
displayed.
VOLUME LEVEL
The volume level which was selected last is
displayed.
MUTE, -80.0 to +16.5 dB
The display will be changed by pressing the “ w ”(cursor down)
key / “
q
”(cursor up) key.