GE CTF878, User & Service Manual

Page: 34 / 72

Calibration 3-3
February 2009
Calibrating Analog
Outputs (cont.)
Figure 3-3: Calibrate Analog Output Window
2.
The first 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 value shown on the
multimeter.
c.
Press
[ENTER]
to confirm your entry.
d.
Scroll to “Calibrate”, then press [
ENTER
]. That setpoint has
been calibrated.
4.
Repeat steps 2 and 3 for the other setpoint.
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
[F2]
(Cancel) to return to Operate Mode without confirming
the changes.
•
Press
[F3]
(OK) to confirm the new data. The CTF878 returns to
Operate Mode.
OK Cancel
4
Set Point
20 mA
Calibrate
Actual 4 mA
20
Reset
Actual 20 mA
Calibrate AnalogOut(0:A)
4 mA