71B MultiMod: MEMORY LOST when changing batteries?
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04-20-2021, 06:12 PM
Post: #2
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RE: 71B MultiMod: MEMORY LOST when changing batteries?
Dave, I did add a warning to the documentation (though obviously I should have posted it as well!) The MultiMod remains active for 2-1/2 minutes after you turn the 71B off before it goes into deep sleep mode. This is to allow you to flip the 71 over and connect a serial cable for programming. Once in deep sleep the processor is stone cold until awakened by the Daisy-In signal.
If you're going to swap batteries then wait a few minutes after turning it off. I usually replace one battery at a time to minimize disconnect time. I just tried a little test - pulled a battery for 10 seconds, no loss, 30 seconds and I did get a memory lost message. Obviously safest when the charger is connected, but for those without, one quick battery swap at a time. Memory lost with the J2 power jumper removed is a puzzle. I'll try that out for myself to see what happens, but the processor shouldn't present a power load with the jumper removed. Thanks for the report, others will benefit from the warning! ~Mark Remember kids, "In a democracy, you get the government you deserve." |
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