Dosing Amounts shown different

I recently acquired a used 2.1 doser and have set up one pump to dose until I get use to everything.
At first I set this pump to dose 1 ml per day which I have subsequently changed to 1.5 ml.
To start with I just edited the dose amount and resaved but still only showing 1 ml dosed so deleted that from schedule and added new for 1.5 ml but still only showing 1m dosed.
Am I doing something wrong or is this a known problem

Many thanks

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As long as the pump is calibrated correctly and set to dose 1.5ml, it will dose 1.5ml.
The daily dose amount does not display values to the tenth place and is calculated based on an average.

Many thanks for the reply Vinnie

I did wonder if that was the case. All calibrated and set OK.

So is it correct to say that any schedule dose between 1.1 and 1.9 will always show 1ml etc etc.

Correct, until it gets set to the next whole number.

Thanks for the clarification. Much appreciated