02-15-2002, 12:28 PM
02-15-2002, 01:27 PM
Paraphrasing manual, Appendix A, p.279 states:
1. Turn calc on
2. Turn printer on (if you have one) for more detailed diagnostics
3. If possible, return to main menu
4. Hold [ON] key while you press the fifth menu key from left. Once self-test started, do not press any keys until you're ready to halt the test. A series of patterns are displayed and one of two messages (briefly) before test repeats.
If OK, you'll see: OK- 19B II
Otherwise: a number, followed by FAIL
5. To halt test, hold [ON] and press third menu key from left.