Diagnostic; To Start The Diagnostic Program; Check Item; Operation Of Each Test - Casio CE-300 (EX-247) Service Manual

5. DIAGNOSTIC

5-1. To start the diagnostic program

1. Set the mode switch to "OFF" position.
2. Pressing the "FEED" button and turn the mode switch to "PRG" position.
3. Release the "FEED" button.
4. Input "9999900000" and press "ST" ("#2" key).
5. Diagnostic program is executed.

5-2. Check item

The following test can be checked in the diagnostic test.
1. Key code test
2. Switch status test
3. Individul function test.

5-3. Operation of each test

1. Key code test
When pressing a key, the machine displays
the following key code.
HARD KEY CODE TABLE
FEED 055
058 054
057 053
056 052
"020" & "026" buttons are work for "#2" key.
051 7 8 9
050 4 5 6
049 1 2 3
C 0 011 012
— 12 —
DISPLAY
0 1 3
Hard key code
048 042 036 030
047 041 035 029
046 040 034 028
045 039 033 027
044 038 032 026
043 037 031 025
024 018
023 017
022 016
021 015
020 014
019 013