Yamaha RX-V461 Service Manual page 7

RX-V461/HTR-6040/DSP-AX461
• Starting DIAG
Press the "STANDBY/ON" key while simultaneously
pressing those two keys of the main unit as indicated
in the figure below.
• Starting DIAG in the protection cancel mode
If the protection function works and causes hindrance
to trouble diagnosis, cancel the protection function as
described below, and it will be possible to enter the
DIAG mode. (The protection functions other than the
excess current detect function will be disabled.)
Press the "STANDBY/ON" key while simultaneously
pressing those two keys indicated in the figure above.
At this time, keep pressing those two keys for 3 sec-
onds or longer.
In this mode, the [SLEEP] segment of the FL display
of the main unit flashes to indicate that the mode is
DIAG mode with the protection functions disabled.
CAUTION!
Using this product with the protection function dis-
abled may cause damage to the main unit. Use spe-
cial care for this point when using this mode.
• Canceling DIAG
1. Before canceling DIAG, execute setting for FAC-
TORY PRESET of DIAG menu No.8 (Memory ini-
tialization inhibited or Memory initialized).
* In order to keep the user memory stored, be
sure to select PRESET INHIBITED (Memory ini-
tialization inhibited).
2. Turn off the power by pressing the "STANDBY/ON"
key of the main unit.
• Display provided when DIAG started
On the FL display of the main unit, an opening mes-
sage (including the protection history) appears for a
few seconds followed by the DIAG menu display (1.
ANALOG BYPASS).
20
Keys of main unit /
Turn on the power while pressing these keys. /