NEC Barracuda Service Manual page 103

Pda
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7.6.1.4 Buttons
Test equipment: button only.
Each time only show one button test on message display area
Purpose: Verify the buttons function.
Test Method: Display a column list of strings: "side up", "side
down", "action", "record","switch1", "switch2", "switch3", "switch4", "power".
When a button is pressed the related string will change it's background color; The test will finish and
display "All buttons are tested" after operators test all buttons. Otherwise, operators can't exit the test.
Leave method: button only
--- Provide for buttons test as below.
If test OK, system will show "Pass" and begin next button test. If test fail, system will show "Fail". Button test items
will start from button POWER to button SWITCH 4 and the sequence is list as below:
1. Power button
2. WHEEL UP
3. WHEEL DOWN
4. WHEEL ENTER
5. RECORD
6. SWITCH 1 (Button 1)
7. SWITCH 2 (Button 2)
8. SWITCH 3 (Button 3)
9. SWITCH 4 (Button 4)
10. LEFT
11. RIGHT
12. UP
13. DOWN
Barracuda PDA Maintenance
Button Test Status
102

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