Справочник Пользователя для GE General Electric Oxygen Equipment PT878

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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.