Yamaha Tyros4, Руководство по обслуживанию

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Tyros4
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Start-up screen (normal state) Start-up screen (when an error is detected)
xxx and yyy : Codes of pressed switch
“SwErr”
(A panel switch is being pressed. Displays up to two codes for panel switch held down in four fi gures in hexadecimal notation.)
“[Int. HDD] : No Device”
(No HDD is installed.)
“[Exp. Module] : No Device”
(No fl ash memory expansion module is installed.)
2-1: How to carry out tests
1) When the test program is started,
“TEST”
will be displayed.
2) To increase test item number: Press the [TEMPO+] button or turn the [DATA ENTRY] dial clockwise. (Fig. 1)
To decrease test item number: Press the [TEMPO–] button or turn the [DATA ENTRY] dial counterclockwise. (Fig. 1)
To execute the test:
Press the [START/STOP] button once. (Fig. 1)
Indication of "--" underneath of each test items is shown as progressing the test and in case of asterisks "*" is shown as
progress bar when the test takes time such as "Memory Check1 All", "Backup ROM Check1, 2", "Wave ROM Check 2" etc.
• If the test result is OK:
Press the [START/STOP] button again to go back to the item selection display. (Fig. 1)
• If the test result is NG:
Press the lowest key (C1) on the keyboard or the [DEMO] button to go back to the item selection display. (Fig. 1)
([START/STOP] button is ineffective in case of NG)
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