Dr.coffee F11 Series - Ground Cal; Grinding Index

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Dr.coffee Service Manual 24
7.5.1 Ground Cal.
Grounds Cal.：
the grinding amount of the grinder can be calibrated. Click save to effect.
About Grounds Calibration: When the coffee machine is shipped from the factory, it is calibrated with the test beans. However, when using your coffee beans, the speed of the grinder
may vary, and the amount of powder may deviate from the factory calibration standard. Therefore, it is recommended to do ground cal. with your own coffee beans before using the
coffee machine.
Calibration warning
 If it is turned on, when the cumulative number of grindings of the machine reaches 2000 cups, the machine screen will prompt “The grinder needs to be verified”; after the
verification is completed, the next prompt will be when the cumulative number of grind reaches 7000 cups, then the next prompt will be When the total reaches 17,000 cups,
the next reminder will be at 27,000 cups, and so on...
 If it is off, the machine will not prompt.
Step：
First step: Empty grounds container, place it on the balance scale, weigh it, then put it back in the machine;
Second step: Click the “Start” button to start grinding and the coffee powder will automatically fall into the grounds container;
Third step:
Take out the grounds container and weigh the coffee powder;
Forth step:
Enter the weight of the coffee powder into the “Grounds” on the machine interface; (Enter the value as an integer, round to the nearest decimal point)
Fifth step：After the above steps are cycled 3 times, the “Save” button will appear on the interface, and all the steps of calibration will be completed after clicking.
7.5.2 Grinding Index
Grinding Index: Grinding coefficient can be adjusted. Click save to effect.
The grinding coefficient refers to a multiple. That is, how many times or how many times the overall increase is based on the standard value of the existing grinding amount
comparison table. (The adjustment range is between 0.7 times and 1.3 times, the default is 1.0)
For example, selecting “1.2” means that the grinding amount of 1~5 in the comparison table is increased by 1.2 times as a whole;
For example, if you select “0.9”, it means that the grinding amount of 1~5 in the comparison table is reduced by 0.9 times.
※ Remark：Grounds- - - - - -see7.3.1（page16）
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