20
(2) Press or to access the alarm adjust status then when is displayed the higher pressure limit can,,
,, . ,be set when is displayed the lower pressure limit can be set After these steps are completed press
(-) (+) .to select negative or positive values
(3) After the high limit is adjusted, the menu will automatically enter the lower limit and then return to the normal screen.
The sequence is: High limit, Low limit, Quit.
(4) The ADT681 automatically checks the validity of the input data. If there is a problem or if the data input is not valid,
the ADT681 will not accept the change. Figure 7-7-4 shows the setting menu.
7.8 Temperature measure
Press and hold to enter the temperature measure menu, press again to go back to the pressure measure
～menu. The temperature measure range is -30 90 , the minimum resolution is ±0.1 .℃℃ ℃
Figure 7-8 shows the temperature measure menu.
Figure 7-7-4: The setting menu of the high or limit and the lower limit
Figure 7-8: Temperature measure menu
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