Display At The Start Of Diag - Yamaha DSP-AX2 Service Manual

DSP-AX2

Display at the start of DIAG

The diagnostic menu appears on the monitor screen. (It remains on display until it is canceled.)
DIAGNOSTIC MENU
1.DSP THR
2.HP ROUTE
3.RAM THR
4.PRO LOGIC
5.SP SET
6.DISP CHECK
7.MANL TEST
On the FL display of the main unit, an opening message (including the version, checksum and the
history of protection function) appears for a few seconds followed by the diagnostic menu display of 1
DSP THROUGH: ANALOG BYPS.
Opening message
When there is no history
of protection function (*1)
NO PROTECT
XXXXXXXX A:XXXX
Version
(Fully indicated)
Checksum (4 figures consisting of alphabets and numbers)
The checksum is obtained by adding 4M bits per 16bits of the entire program code and expressing the result as
a 4-figure hexadecimal data. (0xffff is added for the area where no code has been entered and for the area other
than ROM code.)
(*1) If the history of the protection function has been recorded, the type of the protection function and
the voltage value recorded last are displayed.
9
8.RS232C
9.PRESET
10.AD DATA
11.STATUS
12.DSP RAM
13.VER SUM
Version (1 alphabet)
After a few
secounds
X
Checksum
(4 figures consisting of
alphabets and numbers
DIAG menu display
1. DSP THROUGH
ANALOG BYPS