INFICON UL5000 Dry Helium Leak Detector - Manual (Page 48)

48
Description of the Menu
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6.2.2 Display-range auto/manual
• Main Menu > View > Display-range auto/manual
The upper limit of the displayed leak rate range can be set manually or automatically.
These settings apply to the bargraph (=bar underneath the digital figures in the
measurement mode and y-axis in the trend mode).
With the upper limit defined here the lower limit is set to a value based on the number
of decades (
Please refer to Chapter 6.2.1 ).
If linear scale is selected, the lower limit is always zero. The upper limit is only a
default value. You can change this on the measurement screen with the Soft Key 6
and 7 if you have chosen manual display ranging.
6.2.3 Time axis
• Main Menu > View > Time axis
The length of the time axis in trend mode can be changed in steps of 16 … 960 s.
Softkey 2: Manual
The upper limit of the displayed range can be set manually.
Softkey 3: Arrow down
.Decrease the upper limit if manual is chosen. The minimum value is
10
-11
mbar l/s.
Softkey 6: Automatic
The limit of the displayed range will be chosen automatically.
Softkey 7: Arrow up
Increase the upper limit if manual is chosen. The maximum value is
10
+3
mbar l/s.
Softkey 8:
Save the settings and return to the previous menu.
Softkey 3: Arrow down
Decrease the length of the time axis. The minimum value is 16 seconds.
Softkey 4: Scroll on / off
In „scroll on“ the display is written continiously in trend mode. In „scroll off“
the display will be overwritten after the adjusted action is finished.
Softkey 5: ?
Help
Softkey 7: Arrow up
Increase the length of the time axis. The maximum adjustable value is 960
seconds.