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Chapter 3. Programming Site Data
58
Transport® Model PT878 Portable Liquid Flowmeter User’s Manual
3.10  Entering the Digital Output (cont.)
a.
Press 
[ENTER]
 to open the drop-down menu.
b.
Scroll to the desired function.
c.
Press 
[ENTER]
 to confirm your selection.
Note:
If you select Off, you will not be able to access any other parameters 
in this option. If you select Test Points or Gate Input, the program 
goes at once to Step 4. 
2.
The next prompt asks you to select the data source for the digital output. 
The choices vary with the function. For Pulse Totalizer (shown in 
Figure 31 on page 57, the available choices include:
Forward Totalizer
Reverse Totalizer
Forward Energy
Reverse Energy
a.
Press 
[ENTER]
 to open the data source selection window, shown in 
b.
Scroll to the desired source.
c.
Press 
[SEL]
 to confirm your selection.
d.
The prompt then moves to a list of unit types. (The available units 
depend on the selection made at the Data Source prompt.) Scroll to 
the desired output unit.
e.
Press 
[F3]
 (OK) to confirm your selection.
3.
The last set of parameters that appears depends on the selection you 
made at the Function prompt.
If you selected Pulse Totalizer:
The prompt asks for the units/pulse, the pulse width (in microseconds), and 
the polarity. (Figure 31 on page 57 illustrates a Digital Output window 
configured for the Pulse Totalizer function.) For the Units/Pulse and Pulse 
Width parameters: