Yamaha YSP-3000 Service Manual page 32

YSP-3000/YSP-30D/HTY-7030
• Starting Self-Diagnostic Function
To activate the self-diagnostic function, press the
"STANDBY/ON" key of the remote control while pressing
the keys of the main unit as shown below at the same time.
Press the "STANDBY/ON" key of the remote
control while pressing these keys.
• Starting Self-Diagnostic Function in
the protection cancel mode
If the protection function works and causes hindrance to
trouble diagnostic, cancel the protection function as de-
scribed below, and it will be possible to enter the self-diag-
nostic function mode.
Press the "STANDBY/ON" key of the remote control while
simultaneously pressing those two keys indicated in the
figure above. At this time, keep pressing those two keys
for 3 seconds or longer.
In this mode, the "SLEEP" segment of the FL display of the
main unit flashes to indicate that the mode is self-diagnos-
tic function mode with the protection functions disabled.
CAUTION!
Using this product with the protection function disabled
may cause damage to itself. Use special care for this
point when using this mode.
• Canceling Self-Diagnostic Function
[1] Before canceling self-diagnostic function, execute
setting for PRESET of main menu No.8 (Memory
initialization inhibited or Memory initialized).
* In order to keep the user memory stored, be sure to
select PRESET INHIBIT (Memory initialization
inhibited). Any protection history will remain in
memory.
[2] Turn off the power by pressing the "STANDBY/ON"
key of the main unit or the "STANDBY/ON" key of the
remote control.
32
Key of main unit / Key of remote control /