Chapter 3. Programming Site Data
Transport® Model PT878 Portable Liquid Flowmeter User’s Manual 45
3.7.1 Entering Inputs in the Energy Option (cont.)2. The next prompt depends on whether you have selected a fixed or an
active supply.
•If you have selected a fixed supply, the PT878 asks for the desired
temperature. Use the numeric keys to enter the desired temperature (in
degrees C), and press [ENTER] to confirm the entry.
•If you have selected an active supply, the PT878 asks for the desired
input.
a. Press [ENTER] to open the drop-down menu.
b. Scroll to Input A or B.
c. Press [ENTER] to confirm the entry.
3. The next prompt asks if the temperature return is fixed or active.
a. Use the [W] and [X] keys to scroll to the appropriate radio button.
b. Press [ENTER] to confirm your selection.
4. The next prompt depends on whether you have selected a fixed or an
active return.
•If you have selected a fixed return, the PT878 asks for the desired
temperature. Use the numeric keys to enter the desired temperature (in
degrees C), and press [ENTER] to confirm the entry.
•If you have selected an active return, the PT878 asks for the desired
input.
a. Press [ENTER] to open the drop-down menu.
b. Scroll to Input A or B.
c. Press [ENTER] to confirm the entry.
Note: If either input is fixed, the analog input(s) not used by the Energy
Option can act as general-purpose inputs.
Pressing the [T] key returns the meter to the Inputs tab.