Unic Stella di Caffe - Pre-Infusion Adjustment (Levels 1, 2 and 3)

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If the MAN key is not lighted, press it (Only on DOSAMAT machines);
Engage the desired filter holder, e.g.: 1T, 2T or 3T
 Pre-infusion adjustment (levels 1, 2 and 3)
To adjust the coffee wetting time before infusion.
The "open" pre-infusion time is the time
(T1) during which the solenoid valve remains open if the Stella is
fitted with a pre-infusion solenoid valve.
Use the + and – keys to adjust the desired value.
Adjustment range: 0.1sec to 10sec
 Confirm the adjustment to save the settings.
To obtain the same value on
the other units press =
Press √ to confirm the new
doses
Repeat the operation to
adjust the other volumes
Disable the PROgramming
mode to save the values
In this case, the two-cup
filter holder is engaged.
Press small or large dose
When the desired dose of
coffee is reached stop the
infusion with the
"continuous/stop" key.