HP 28C diagnostic check
#1

How do you perform a diagnostic check on a 28C. I lost my manuals but I seem to recall is you push a combo of buttons, the calculator wil perform a diagnostic check. Thanks for your help.

#2

Take a look at the bottom of:

http://www.hpmuseum.org/features/28cf.htm

#3

THANKS!!!!!!!



Possibly Related Threads...
Thread Author Replies Views Last Post
  Prime Version Check Thomas Chrapkiewicz 1 483 10-21-2013, 10:12 AM
Last Post: Han
  HP-41C Transition to HP-28C book? Dan Grelinger 6 878 03-30-2013, 10:32 AM
Last Post: David Hayden
  How to check / repair a HP 82106A module for HP41C calculator ? Eduardo Mingo 13 1,509 01-07-2013, 11:05 AM
Last Post: Diego Diaz
  Check on mathematical identity Namir 21 2,022 08-26-2012, 11:21 AM
Last Post: Les Koller
  [WP 34S] Final documentation check Walter B 18 2,048 07-06-2012, 02:10 AM
Last Post: Walter B
  I really like the HP-28C keyboard Eddie W. Shore 13 1,420 06-28-2012, 04:31 PM
Last Post: Matt Agajanian
  2K==A lot of place for (HP-28C) stuff Matt Agajanian 4 725 05-21-2012, 09:59 PM
Last Post: Dominic Richens
  The most abused phrase "Check Back Soon" Michael de Estrada 8 1,070 10-11-2011, 10:25 PM
Last Post: hpnut
  Do the Ebay sellers check the merchandise? Gonzalo Fernandez 35 3,339 02-05-2011, 01:21 PM
Last Post: Michael de Estrada
  41C Memory Module 82106A Check / Test AlbertTocarLoseggs 6 900 10-11-2010, 02:41 PM
Last Post: Diego Diaz

Forum Jump: