Sharp XE-A1BT Service Manual page 13

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d.
Test result print
When a test results is OK, following result is printed out
MODE KEY SWITCH
When a test result is NG, following result is oriented out.
MODE KEY SWITCH
3-2) KEY TEST
a.
Test Procedure
Perform the keyboard check with the sum check data of the key
code.
Enter the any key other than [TL] key, and then enter the [TL] key,
finally. In the process above, machine records the sum, and after
[TL] key entered, compare with check sum proper check sum.
It is possible to re-operate from the beginning, enter the [CL] key 3
times, when operation is wrong.
b.
Display
Entered key code:
(According to entering)
c.
Test result print
When a test results is OK, following result is printed out
KEY XXXX-YYYY - OK
When a test result is NG, following result is printed out.
KEY XXXX-YYYY - NG
OK
NG
Original check sum:
1761(4 digits)
3-3) DISPLAY TEST
a.
Test Procedure
Check the continuous buzzer sound and the display state.
<Check points>
1.
The all segments are lighted up correctly.
2.
The brightness of all segments is same level.
1.
Segments display test
The following pattern is displayed. When [TL] key pushed,
the display pattern is changed to next.
< Display >
5-2
[TL] key pushed
[TL] key pushed
[TL] key pushed
[TL] key pushed
[TL] key pushed
[TL] key pushed

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