Head
36
⏐
GA10218_0101 - 5/2002
When you want to see the measurement signal (including underground)
please press the ZERO button again. The saved value will be reset to
zero. The underground signal will not be suppressed anymore (Fig. 10).
4.1.2.5 MENU Button
When pressing the MENU button (Fig. 8/13) the selecting menu is shown
at the display. This function is not depending on the operating mode when
calibrating.
If the menu is opened during the current session the operator will lead to
the last screen before the menu was left.
Pushing the MENU button again leads back to the screen of the previous
working mode. The software shows the last screen that was used before.
4.1.2.6 Soft Keys
The function of the eight Soft Keys Fig. 8/1…8 depends on the current
menu.
Special Functions When inputs are allowed or when settings can be selected in a submenu
two of the Soft Keys always have the same function:
Soft Key no. 1 Fig. 8/1 is Cancel.
It allows to escape from the submenu without any changes of the pre-
sent settings and return to the previous menu page.
Soft Key no. 8 Fig. 8/8 is OK.
The selected settings or edited values will be stored and the previous
menu page will be displayed again.
4.1.2.7 Numerical Entries
If you have opened a menu page where a digit can be changed please
proceed in the following way:
If you don’t want to change anything, press Soft Key no. 1 Cancel.
If you want to change the digit please proceed as follows:
1. 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
want to change.
2. 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 num-
ber now is inverted.
3. Having reached the last digit all changes have to be confirmed by OK
(Soft Key no. 8). To correct a wrong entry press Cancel (Softkey 1) or
Softkey 4 ← and enter the desired value again.
Example To change the trigger level 1.0 · 10
-7
mbar l/s to 3 · 10
-7
mbar l/s please
press 2/3 (Soft Key no. 3) Fig. 11.
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