The 3V cell is a BR2032 190mAh 20x3.2 [mm] (page 7-8 of the service manual).
On Sat, Nov 14, 2020 at 12:11 AM ew via time-nuts <time-nuts@lists.febo.com> wrote: > > Having contacted several time nuts off list to cut down traffic but no > response will some one tell me the battery number covered and number of > cells so I am properly prepared to exchange. > Thanks Bert Kehren In a message dated 11/13/2020 4:37:29 PM > Eastern Standard Time, r...@sonic.net writes: > I have a Fluke PM6681 Counter On the ko4bb site there is an image of the > counter's v1.05 PROMs. I just pulled the v1.09 PROMs from my counter and read > out the contents. I have placed the result > here:http://www.xertech.net/pm6681/Fluke_PM6681_Counter_PROM_v109.zip Anyone > interested, please download. If you see any issues or improvement > suggestions, please let me know. If all is well in a few days I'll look into > uploading this to ko4bb. ---- Back story below ----I have been following and > participating in the thread "Frequency Counter Choice". There has been a long > discussion about the PM6681/Cnt-81 counter, mostly about saving and restoring > one calibration parameter that gets lost if the internal backup battery dies. > A method was described, but currently seems unresolved if the restore method > works as hoped. This promped me to open my PM6681 and ensure the battery was > good. Having done that, I knew about the v1.05 PROM image but had never seen > a v1.09 image. I decided to unplug the AC power and carefully remove the two > v1.09 PROMs from my counter. I read out their contents with a > reader/programmer tool I have. I returned the PROMs to my counter, applied > AC, and the counter seems to be working fine. The link provided above is my > sharing of the results of this exercise. > _______________________________________________time-nuts mailing list -- > time-n...@lists.febo.comTo unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.comand follow the > instructions there. > _______________________________________________ > time-nuts mailing list -- time-nuts@lists.febo.com > To unsubscribe, go to > http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@lists.febo.com To unsubscribe, go to http://lists.febo.com/mailman/listinfo/time-nuts_lists.febo.com and follow the instructions there.
