Chapter 8. Servicing the PT878
Transport® Model PT878 Portable Liquid Flowmeter User’s Manual
177
8.7.2 Calibrating Inputs (cont.)
4.
Press the [
X
] arrow key to move to the Read box, and then press
[ENTER]
to read the low input.
5.
The next prompt asks for the value to which you want to set the high
input (20 mA).
a.
Press
[ENTER]
to open the text box.
b.
Use the numeric keys to enter the desired value.
c.
Press
[ENTER]
to confirm your entry.
6.
Press the [
X
] arrow key to move to the Read box, and then press
[ENTER]
to read the high input.
7.
Press the [
T
] key to move to the Calibrate box, and press
[ENTER]
to
calibrate the inputs.
8.
At this point, you have two options:
a.
If you are unsatisfied with the calibration, you can reset the inputs to
factory defaults. Press the [
X
] arrow key to move to the Reset box,
and then press
[ENTER]
to undo the calibration.
b.
If you are satisfied with the calibration, press the [
T
] key to return
to the Input# prompt, and repeat steps 2 through 8 for the other
input.
You have completed calibrating the inputs. To leave the Inputs window,
•
Press the [
S
] key to return to the Inputs tab, and the [
W
] arrow key
to move to the Outputs tab.
•
Press
[F2]
(Cancel) to return to Operate Mode without confirming the
changes.
•
Press
[F3]
(OK) to confirm the new data. The PT878 returns to
Operate Mode.
