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I have had the same problem, and even though I can’t say I have tried the new transmitter yet (but I should be receiving it before the end of the month), I think it will save us a lot of calibration frustration (should we make that a new term in the Diabetes community?).
Some other things I have found to help are:
- Do not do a calibration & bolus at the same time. Let it do & finish the calibration first, and once the calibration is finished, enter the bolus manually. This will allow it to do the calibration without worrying about a changing BG.
- Do a minimal number of calibrations (probably about 3 for most people). Do the calibrations at (approximately) the same time each day (if possible). Hopefully with these things managing to keep you in Auto Mode, your numbers will usually be reasonably good, so at meal time, just enter the carbs without even doing a BG (unless you are significantly high or low).
Something I have noticed about the sensor & transmitter in bed is that the numbers can sometimes be a little less accurate (usually lower) when I get up in the morning. They usually get better after 15-20 minutes. Something that I try to do (I don’t know if I can claim to always do a good job of it, but I try) is wait until I have been out of bed for at least 15-20 minutes before doing a calibration.
Hopefully some of this helps, and hopefully the new transmitter helps as well.