Yamaha R-N402 Service Manual page 36

R-N402/R-N402D
P2. PROTECTION HISTORY
This menu is used to display the history of protection function.
In the history 1 to 4, the setting information for operation of each protection function will be stored.
All history of protection function and setting information will be erased by pressing the "RETURN" key.
* Numeric values in the figure are given as reference only.
P2-1
1.PS1 000L
P2-2
1.P-PORT:----
P2-3
1.INPUT: 0x09
P2-4
1.VOL.:
36
P2-1. HISTORY 1
H: Displayed when the voltage is
HIGHER than upper limit.
L: Displayed when the voltage is
LOWER than lower limit.
xxx: A/D conversion value of
voltage at the moment when
the protection function worked.
(Reference voltage: 3.3 V=255)
P2-2. POWER PORT 1
Not for service.
P2-3. LAST INPUT 1
The input source which was
selected last is displayed in
hexadecimal notation.
P2-4. LAST VOLUME LEVEL 1
The volume level which was
selected last is displayed.
-80.0 to +16.5 dB
P2-5. HISTORY 2
P2-5
2.I Prt
P2-6 P2-6. POWER PORT 2
2.P-PORT:----
P2-7 P2-7. LAST INPUT 2
2.INPUT: 0x0D
P2-8 P2-8. LAST VOLUME LEVEL 2
2.VOL.:
P2-9 P2-9. HISTORY 3
3.Dc
P2-10 P2-10. POWER PORT 3
3.P-PORT:----
P2-11 P2-11. LAST INPUT 3
3.INPUT: 0x05
P2-12 P2-12. LAST VOLUME LEVEL 3
3.VOL.:
P2-13. HISTORY 4
P2-13
4.Tmpx
P2-14 P2-14. POWER PORT 4
4.P-PORT:----
P2-15 P2-15. LAST INPUT 4
4.INPUT: 0x06
P2-16 P2-16. LAST VOLUME LEVEL 4
4.VOL.: