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31
Rotavapor
R-220 EX
5 Operation
17. Press “Change” to change the value.
18. Press “+” or “-“ to change the value.
19. Press “OK” to save the entry.
20. Select the check mark by pressing the arrow but-
tons.
21. Save the vacuum setting by pressing “Save”.
22. After 10 seconds of inactivity the display reverts to
the standard screen and displays the actual pressure in
the system.