Description and Working Principle 35
iina74e 04.fm technical handbook(1408)
4.2.2 Control Panel
The Control Panel Fig. 4-2/7 contains a liquid crystal display (LC Display), the
START, STOP, ZERO and MENU buttons and also eight Soft Keys for the different
menus and inputs.
The control panel itself is rotable.
4.2.2.1 LC Display
The LC Display Fig. 4-2/1 is the communication interface to the operator. It displays
the leak rates, the status report of the machine, messages, warnings and errors.
4.2.2.2 START Button
Pushing the START Button Fig. 4-2/6 enables the UL5000 to start the measure
procedure. If the START button is pushed again in measurement mode, the
maximum leak rate indicator („hold“ function) is activated. This indicator shows the
maximum leak rate between „START“ and next „STOP“
Fig. 4-2: Control Panel
Pos. Description Pos. Description
1 LC Display 8 Soft Key no. 5
2 Soft Key no. 1 9 Soft Key no. 6
3 Soft Key no. 2 10 Soft Key no. 7
4 Soft Key no. 3 11 Soft Key no. 8
5 Soft Key no. 4 12 MENU Button
6 START Button 13 STOP Button
7 Control Panel 14 ZERO Button
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