Yamaha YSP-3000 Service Manual page 28

YSP-3000/YSP-30D/HTY-7030
11.Press the "STANDBY/ON" key of the main unit to turn
off the power.
12.While pressing the "VOL+" key and "VOL-" key of the
main unit, press the "STANDBY/ON" key of the remote
control to activate the self-diagnostic function.
1 Using the "UP" or "DOWN" key of the remote control,
select the self-diagnostic function menu in the figure
below.
2 Using the "LEFT" or "RIGHT" key of the remote
control, select the self-diagnostic function sub-menu
in the figure below.
3 Using the "RETURN" key of the remote control,
make a change as shown below.
4 Check the version of the firmware.
Using the "LEFT" key or "RIGHT" key of the remote
control, have the self-diagnostic function menu
displayed as in the figure below.
The procedure is completed when the same version
as shown below is obtained.
28
TxTestCh [---]
RS232C: 1Ltd.
RS232C: YAMAHA
Change 1Ltd. to YAMAHA
SPD:Y3KMP0605A
SPID version