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Chapter 3. Programming Site Data
64 Transport® Model PT878 Portable Liquid Flowmeter User’s Manual
3.11 Entering User Functions (cont.)
Figure 34: Function Creation Window
c. To enter a particular measured parameter into the equation, click on
the MODE symbol in the middle of the third row. The Data Source
Selection window (shown in Figure 30 on page 55) opens. Select the
desired data source and unit as discussed on page 55, and press
[F3]
(OK) to confirm the entry.
d. When you have completed entering the function, press [F3] (OK) to
confirm the entry and return to the User Function window.
6. GE recommends pressing [F2] (Check) to test the validity of the
function. The PT878 displays either “OK” or a message such as “Syntax
Error.”
• Press [F1] to delete the entire function, or
• Press [F3] (Done) to confirm the function and return to Operate
Mode.
Delete
Cancel
OK
+
*/
(
)
^
E
abs
exp
inv
ln
log
sqrt
MODE
sin cos
tan
asin
acos
tblA
tblB tblC
tblD
tblE
tblF
atan
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