Yamaha YSP-1 Service Manual page 23

• History of protection function
When the protection function has worked, its history is
stored in memory with a backup. Even if no abnormality
is noted while servicing the unit, an abnormality which
has occurred previously can be defined as long as the
backup data has been stored.
The history of the protection function is cleared when
DIAG is cancelled by selecting PRESET RESERVED
(Memory initialized) of DIAG menu No. 6 or when the
backup data is erased.
*To clear the protection history only, use the SUB menu
No.3 "PROTECT His (PrHist <- RESET) of DIAG menu
No.12".
• Display during menu operation
During the DIAG operation, the menu list described in the
s e c t i o n o f t h e s t a r t u p s c r e e n a p p e a r s o n t h e
superimposed screen and the function at work is indicated
on the FL indicator. The contents displayed during the
function operation are described in the later section on
details of functions.
• Operation procedure of DIAG menu and
SUB-MENU
There are 14 MENU items, each of which has some SUB-
MENU items.
DIAG menu selection
Select the DIAG menu by using the UP/DOWN
(Reverse) (Forward) key of the remote controller.
SUB-MENU selection
Select the DIAG sub-menu by using the LEFT/RIGHT
(Reverse) (Forward) keys.
SUB-MENU selection
DIAG menu selection
YSP-1
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