INFICON UL5000 Dry Helium Leak Detector - Manual (Page 38)

38
Description and Working Principle
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4.2.2.7 Numerical Entries
If you have opened a menu page where a number can be changed please proceed
in the following way:
• If you don’t want to change anything, press Soft Key no. 1 Cancel.
• The digit that can be changed is displayed inverted. With the arrows
 (Soft Key
no. 8) and
 (Soft Key no. 4) you can choose which digit you need to change.
• To change a digit to a specific number press the corresponding pair of numbers.
A submenu opens and the desired number can be selected. The submenu closes
automatically and the next digit of the total number now is inverted.
• Having reached the last digit all corrections have to be confirmed by OK (Soft Key
no. 8).
Example
To change the trigger level 5.0 x 10
-9
mbar l/s to 3 x 10
-9
mbar l/s please press 2/3
(Soft Key no. 3) Fig. 4-5 .
In the submenu press 3 (Soft Key no. 4) Fig. 4-6 .
Fig. 4-5: Numerical entry of the Trigger Level 1
Fig. 4-6: Submenu of the Numerical Entries (Example)