ENTER
NO/CE
YES
CALCULATOR FUNCTION
The 3440 gauge can also be used as a four-function calculator. The
calculator function keys are shown circled on the keypad in Figure 5–4.
To execute the Calculator function, press 〈SHIFT〉 and 〈CALC.〉 for the
display:
Pressing any numbered key will clear the display (with the exception of the
top line).
ADDITION
To add 65 and 78: press 〈6〉, 〈5〉. Press 〈+〉, 〈7〉, 〈8〉. Press 〈=〉. The display
will give an answer of 143. Once a function has been completed and the
answer is displayed (with the equal sign to the left), pressing any numbered
key causes the display to clear (with the exception of the top line).
7
8
9
4
5
6
1
2
3
Figure 5–4. Calculator Function Keys
Use calculator
keys
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