
GASBOY Series 1000
2-24 03/07/03
Diagnostics
To aid in system troubleshooting and service, an integral diagnostic program is
provided. This program includes card reader, keypad, LCD, LCD message,
ROM, RAM, and communication port tests. A summary of diagnostic tests is
shown in Figure 2-14.
Test # Description
0 Calculate PIN Function
1 Change Password Function
2 LCD Character Set Test
3 Card Data Display
4 Keypad Test
5 Communication Ports Test *
6 RAM (Memory) Test
7 ROM (Program) Test
8 LCD Message Test
9 Mag Data Section Test **
* Loopback test jumper needed for this test
** Special test cable needed for this test
Figure 2-14. Diagnostic Test Summary
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