Concern about Voyager keyboard test
#1

Hello all

Sometimes, I will perform a keyboard test on my 11C or 15C and because of either my coordination, losing track of the sequence of keys or having not pressed a key firmly enough and then moving to the next key, I would receive an 'Error 9' message.

These are times when I wished HP would've designed a separate warning because a key was missed or out of sequence instead of the dreaded 'Error 9.!

How can I be certain that the error was due to a key being pressed out of sequence or missed and the error is not a warning about a calculator malfunction?

Thanks

#2

Hi, Matt! Here's how I see it. There is NO WAY that the machine can detect whether the error is due to a malfunction of the machine or the user, because it has no way to know if a key was pressed but didn't register. Therefore it's up to you: you must pay close attention to what happens as you press each individual key. If you press a key and NOTHING happens AT THAT MOMENT, then stop; it's a bad contact. Otherwise it's user error. This is how that test was used on the HP assembly lines: the display was "watched" as each key was robotically pressed, not only at the end of the test.

#3

Thanks for the explanations and clarifications.



Possibly Related Threads...
Thread Author Replies Views Last Post
  HP-42S ESD self-test Yriarte 2 192 10-24-2013, 09:08 AM
Last Post: Yriarte
  Voyager keyboard issue John Richards 2 202 09-27-2013, 07:43 PM
Last Post: John Richards
  So I took a test with my Prime today ... kris223 12 545 09-25-2013, 07:19 PM
Last Post: kris223
  Voyager Self Test Mike (Stgt) 5 297 05-16-2013, 03:28 PM
Last Post: Mike (Stgt)
  Voyager reproduction logos ? John Robinson 2 174 02-25-2013, 05:19 PM
Last Post: John Robinson
  Physics Test Howard Owen 37 1,179 01-24-2013, 03:33 AM
Last Post: Csaba Tizedes (Hungary)
  Swiss clones of the HP Voyager series WaltMaken 10 468 11-30-2012, 11:40 AM
Last Post: Harald
  DM-1xC vs. HP Voyager KINOMI Csaba Tizedes (Hungary) 4 291 10-10-2012, 07:25 PM
Last Post: uhmgawa
  HP-41CV layout vs Voyager's, 35s Ben Huntsman 17 690 09-17-2012, 05:30 PM
Last Post: Luiz C. Vieira (Brazil)
  Voyager battery installation sequence Peter Murphy (Livermore) 11 426 08-12-2012, 09:04 AM
Last Post: Les Koller

Forum Jump: