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PSR-270
20
020:SW Chk
28
028:LCD On
29
029:LCD Off
31
031:PD1 Chk
37
037:MIDI Chk
41
041:ROM Chk2
42
042:RAM Chk2
46
046:Back Up 2
47
047:Factory
48
048:TestExit
2. INITIALIZE
Except for the data listed below, all PSR-270 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 the
memory) as long as either an AC adaptor is connected or a set of batteries is installed.
User Song Data
User One Touch Setting Data
One Touch Setting Bank Number
EZ Chord Data
EZ Chord Bank Number Data
Smart Chord Number
Data Initialization
All data can be initialized and restored to the factory preset condition by turning on the
power while holding the highest (rightmost) white key on the keyboard. "CLr Backup" will
appear briefly on the display.
18
Check switches on the panel.
Press the switches which are displayed on the LCD.
A pre-assigned note is output when depressing the switch.
The test result appears on the LCD.
Check that all LCD dots are on.
Check that all LCD dots are off. The LCD becomes white.
Connect the foot switch to the [FOOT SWITCH] jack.
Check that the C3 note is output when starting the test program.
Check that the C4 note is output when pushing the pedal and the tone is turned off
when releasing the pedal.
The test result appears on the LCD.
After connecting the [MIDI IN] jack and [MIDI OUT] jack with a MIDI cable, execute the
test.
Check that the C4 note is output and that the test result appears on the LCD.
Checks the ROM. The test result appears on the LCD.
Checks the RAMs which are connected to the CPU.
The test result appears on the LCD.
Performs the RAM back-up check.
After checking that the beginning becomes NG, turn the power switch off.
Enter the test program and perform the RAM back-up checks then check again.
Check that the LCD displys OK.
Note: Do not turn on the [STAND BY ON] switch on by normal mode during
standing by. If this should happen, RAM data will be lost.
All RAMs are initialized and set to the factory preset date when executing this test.
The result appears on the LCD.
Exit from the test program after executing this test.
Metronome Volume
Touch On/Off
Touch Sensitivity
Split Point
Accompaniment Split Point
Footswitch Assign Function
All one touch setting
(user) and song memory
data, plus the other
settings listed above, will
be erased and/or
changed when the data
initialization procedure is
carried out.
Carrying out the data
initialization procedure
will usually restore
normal operation if the
PSR-270 freezes or
begins to act erratically
for any reason.
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