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HP-71B battery drain with no extra RAM or ROM
12-12-2015, 01:49 AM
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rprosperi Offline
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RE: HP-71B battery drain with no extra RAM or ROM
(12-12-2015 01:39 AM)hpcalcuser83 Wrote:  I have an HP-71B calculator that is draining batteries after a couple of weeks. i do not have any extra RAM or ROM modules installed. The calculator self test passes. Anyone know how to correct this problem? Thanks.

-Gil

Are you using long-running programs (several minutes of run-time)?


Are you using HP-IL and if so, do you leave the loop powered up all the time (e.g. you can OFF IO when not needing the loop to save power)?
--Bob Prosperi
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RE: HP-71B battery drain with no extra RAM or ROM - rprosperi - 12-12-2015 01:49 AM
Q1 - hpcalcuser83 - 01-05-2016, 06:14 AM



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