HP 30b Mode Settings
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04-23-2019, 12:32 PM
Post: #8
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RE: HP 30b Mode Settings
With all HP ARM based calculators, my first suspicion is the battery.
Please use a good brand from a reputable supplier. Cheap ones from e.g. eBay will not do. Coupling the ARM processor design with coin cells was not a good decision. These ARM based calculators use current in high pulses which coin cells are not designed for (they have a high internal resistance compared to e.g. AAA cells). The battery low warning is not reliable on these calculators either. |
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Messages In This Thread |
HP 30b Mode Settings - lrdheat - 04-14-2019, 06:22 PM
RE: HP 30b Mode Settings - Joe Horn - 04-15-2019, 01:32 AM
RE: HP 30b Mode Settings - lrdheat - 04-15-2019, 04:29 AM
RE: HP 30b Mode Settings - hibiki - 04-15-2019, 11:10 PM
RE: HP 30b Mode Settings - Joe Horn - 04-16-2019, 02:21 AM
RE: HP 30b Mode Settings - RickyD - 04-23-2019, 02:58 AM
RE: HP 30b Mode Settings - cyrille de brébisson - 04-23-2019, 05:23 AM
RE: HP 30b Mode Settings - BartDB - 04-23-2019 12:32 PM
RE: HP 30b Mode Settings - lrdheat - 04-23-2019, 01:53 PM
RE: HP 30b Mode Settings - RickyD - 04-24-2019, 08:13 AM
RE: HP 30b Mode Settings - robocop - 12-28-2020, 10:33 AM
RE: HP 30b Mode Settings - Gerald H - 12-28-2020, 02:21 PM
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