3. OPERATION PANEL SELF-DIAGNOSTIC
MODES
The machine can make a self-diagnosis on the operation panel (operation
control unit).
3.1 OPERATION PANEL SELF-DIAGNOSTIC TESTS
The machine can perform the following tests on the operation control unit:
• Main RAM read/write test
• System ROM check sum test
• Video RAM read/write test
• VGA register test
• LCD pattern test
• Touch panel test
• LED/Conventional key test
• CMOS RAM test
A172/A199 6-30 SM
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