FRITSCH PULVERISETTE 5/4 classic line - Manual (Page 41)

4. To perform changes, press the right "+" button (y) in the TIMER
field:
Time unit, hours and minutes ® Display: -
Time unit, hours and minutes ® Display: 1 (factory setting)
5. To save and end setup mode, press the STOP button.
6.9 Repetition of grinding / pause cycles
REPETITIONS control panel area
Press + or - button; select the number of repetitions (0..99). The number
of remaining cycles is displayed during operation.
6.10 Reverse mode
®Press the REVERSE button. The button lights up.
After the selected running time expires, the mill will change its direction
of rotation. For this, REPETITIONS has to indicate at least 1.
"Reverse" is selected when mixing dry samples, for example.
6.11 Conducting a grinding operation
n After all the preparations described in Ä Chapter 6.1 ‘Choice of
grinding bowls and grinding balls’ on page 29 to Ä Chapter 6.10
‘Reverse mode’ on page 41 have been carried out, close the hood
(3).
n Press the START button on the control panel.
n The hood is locked and the mill starts up.
n The mill turns at the set speed (nominal speed). If the load is too
great, for example due to heavy grinding bowls, the speed is reduced
(actual speed) so that the machine is not overloaded.
® The "REDUCED SPEED" lamp is lit!
Using the device
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