Yamaha P-115B Service Manual page 49

P-45B P-115B/P-115WH
No. Key No. Key
60 C#5 29 C#5 Factory set
61 C7 31 C7 Test mode exit
● Inspections■of■the■others
●
■ Noise■Level■Check
1) Connect the level meter (using the JIS-C fi lter) to the L/R [PHONES] and L/R [AUX OUT] jacks.
2) Turn the master volume to the maximum position.
3) Mesure the output voltage and confirm that the measured value meets the following.
<PHONES>
L: -90.0 dBu or less
R: -90.0 dBu or less
<AUX OUT> (P-115B/P-115WH only)
L: -90.0 dBu or less
R: -90.0 dBu oe less
Test■item
To initialize all the backup areas to restore factory default.
P-115B/P-115WH
All needed here is to stand the flag for initialization and execution will be held until the
power is turned on next time.
Caution:
Note that all user data will be cleared. Before executing the factory reset procedure, be sure
to save the user songs into the PC. (See page 68)
1) Press the [C#5] key, and initialize is executed.
2) For the OK, the C4 sine wave sound is produced (for 1 second).
For the NG, the C2 sine wave sound is produced (continuously until any key is
pressed).
3) Press the lowest key to exit the TEST item.
* After executing this factory setting, be sure to execute test No. 31 "Test mode exit."
Initialization of the memory is actually executed when the program is restarted (RE-
BOOT).
The [REC] and [PLAY] LEDs will begin to flash after the restart.
Do not turn off the power until LED flashing comes to an end.
P-45B
1) Press the [C#5] key, and testing is executed.
2) While initialization is executed, the LED of the [ ] (Standby/On) switch flashes.
3) When initialize is completed, the power turns off.
When testing is executed, the mode exits the test mode and enters the play mode. Resetting
of the instrument system is performed.
Test■function■and■judgment■criteria
P-115B/P-115WH/P-45B
49