Yamaha PSR-420 Owner's Manual - Page 62

Appendix - power adapter

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Appendix: Data Backup & Initialization Except for the data listed below, all PSR-320/420 panel settings are reset to their initial settings whenever the power is turned on. The data listed below are backed up - i.e. retained in memory - as long as an AC adapter is connected or a set of batteries is installed. • Registration Memory • Song Memory • Remote Channel • Keyboard Out • Song Out • Accomp Out • External Clock s Data Initialization ...All data can be initialized and restored to the factory preset condition by turning on the power while holding the [-/NO] and [+/YES] buttons. "CLr Backup" will appear briefly on the display. POWER ON / OFF CLr Backup 7 8 9 0 -/NO +/YES • All registration and song memory data, plus the other settings listed above, will be erased and/or changed when the data initialization procedure is carried out. • If the PSR-320/420 has been "locked up" due to static electricity or other causes, turn the PSR-320/420 off and execute the initialize operation. 61

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61
Appendix:
Data Backup & Initialization
Except for the data listed below, all PSR-320/420 panel settings are reset to
their initial settings whenever the power is turned on. The data listed below are
backed up — i.e. retained in memory — as long as an AC adapter is connected
or a set of batteries is installed.
■
Data Initialization
........................................................................................................................................
All data can be initialized and restored to the factory preset condition by
turning on the power while holding the
[–/NO]
and
[+/YES]
buttons. “CLr
Backup” will appear briefly on the display.
•
All registration and song
memory data, plus the other
settings listed above, will be
erased and/or changed when
the data initialization proce-
dure is carried out.
•
If the PSR-320/420 has been
“locked up” due to static elec-
tricity or other causes, turn the
PSR-320/420 off and execute
the initialize operation.
• Registration Memory
• Song Memory
• Remote Channel
• Keyboard Out
• Song Out
• Accomp Out
• External Clock
Backup
CLr
–/NO
+
/YES
0
7
8
9
POWER
ON /
OFF