D135-10-880C - Operation
Page 39
Control panel
The Control panel Figure 12 contains a liquid crystal display (LC Display), the START, STOP,
ZERO and MENU buttons and eight Softkeys for the different menus and inputs selections.
Figure 12 Control panel
1. Softkey no. 1 8. Softkey no. 8
2. Softkey no. 2 9. LC Display
3. Softkey no. 3 10. START
4. Softkey no. 4 11. ZERO
5. Softkey no. 5 12. STOP
6. Softkey no. 6 13. MENU
7. Softkey no. 7
LC Display The LC Display, Figure 12 item 9, is the communication
interface to the operator. It displays the leak rates, the status
report of the ELD500, messages, warnings and errors. With
the Softkeys no.1 to no. 8 various functions which are shown
in the display can be selected.
START button Pushing the START Button, Figure 12 item 10, enables the
ELD500 to start the measure procedure. The measured leak
rate is shown in the display. 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 since START. By pressing the START-
button again the (hold) function will be started again.
STOP button Pushing the STOP Button, Figure 12 item 12, interrupts the
measure procedure. If the button is pressed longer the inlet is
vented according to the conditions defined in the menu Vent
delay. See Vacuum settings to select the time parameters of
the venting.
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