GE PT878GC ユーザーズマニュアル

ページ / 308
April 2004
9-22
Servicing the PT878GC
Calibrating the Analog Output (cont.)
1. Connect a digital multimeter or ammeter to the analog output.
2. The next prompt asks for the setpoint (4 or 20 mA). Use the 
[
W
 ] and  [
X
]  arrow keys to move to the appropriate radio 
button and press 
[ENTER]
.
3. The next prompt asks you to enter the actual value shown on 
the multimeter or ammeter.
a. Press 
[ENTER]
 to open the text box.
b. Use the numeric keys to enter the measured value.
c. Press 
[ENTER]
 to confirm your entry.
4. Repeat steps 2 and 3 for the other setpoint.
5. Press the [
T
 ]  arrow key to move to the Calibrate box, and 
then press 
[ENTER]
 to calibrate the output.
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.
You have completed calibrating the outputs. To leave the Output 
window,
Press the [
S
] key to return to the Output tab, and the  [
X
]  
arrow key to move to the Input tab.
Press 
[F2]
 (Cancel) to return to Operate Mode without 
confirming the changes. 
Press 
[F3]
 (OK) to confirm the new data. The PT878GC 
returns to Operate Mode.