Yamaha YPT-370 Manual de serviço - Página 24
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2.
Test Mode
2-1.
Starting Test mode
1)
While holding down the [C#2], [F2] and [G#2] keys simultaneously, press the [ ] (Standby/On) switch.
2)
When Test mode is started, "TEST" is shown on the LCD screen.
2-2.
Selection and execution of test items
1)
Press the [+] or [-] buttons in the Number buttons area to select the test item.
2)
Press the [START/STOP] button to start the test. Refer to the "Test Program Item List" regarding how to operate each
test item.
3)
Check the completed test.
Check that the cursor (_) is displayed below the first character of the test item name. The "_" is displayed for items
where the test results were OK.
Exiting a test item
Perform the procedure below depending on whether "OK" or "NG" is displayed.
2-3.
When the test result shows OK
Press the [START/STOP] or [DEMO] button to return to selection of the test items.
2-4.
When the test result is FAIL
Press the [DEMO] button or the lowest key ([C1] white key) to return to the selection of test items.
* If the result was FAIL, pressing the [START/STOP] button does not return to the selection of the test items.
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C#2
G#2
F2