10-17
CHECKING FLOW CHART BY FAILURE
How to check Key operation
Key operation Test
1. Keys should be accessed according to priority and check the buzzer operation when key is
accessed
2. If change the key access order, the buzzer make another beep
3. The buzzer has no operation when key accessed, , it would be defected.
How to stop - Key Test mode
- Press 1st
2nd
…
28th
26th (CLEAR)
- Press ‘CLEAR’
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2
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[Fig.1]