[HECnet] VT420 with a "worn out" display

Dave McGuire mcguire at neurotica.com
Fri Oct 4 19:23:16 PDT 2013


On 10/04/2013 02:07 PM, Ian McLaughlin wrote:
Please note that a discharged CRT can build up a static charge again
just by sitting on a shelf.   Always re-discharge the tube when coming
back to a tube you've left alone for a while.

  This is dielectric absorption.   It happens with all capacitances,
including capacitance in things that are not capacitors, like CRTs.

                          -Dave

-- 
Dave McGuire, AK4HZ
New Kensington, PA



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