Calibrating The Rtd Inputs; Accessing The Calibration Menu; Low Option = [F1]; High Option = [F2] - GE DigitalFlow DF868 Service Manual

Chapter 1. Calibration

1.5 Calibrating the RTD Inputs

Calibrating an RTD option card involves a slightly different procedure than for other analog input cards. However, you
access the card in the same manner.

1.5.1 Accessing the Calibration Menu

[CAL]
1. Press the key to enter the Calibration Program.
[Fx]
2. Press to calibrate the desired slot. (The option bar will include a slot listing for each installed option card.)
[F1]
3. Press to select Input A, or
[F1]-[F2]
4. Press to select the reference point to be calibrated.
Do one of the following:
•
[F1] (LOW),
If you selected
• [F2] (HIGH),
If you selected

1.5.2 LOW Option = [F1]

5. Enter the low reference value and press the
[F1] STORE
6. Press to the low reference value or
ANALOG INPUT
prompt.
[F2]
7. Press to proceed to the next section.

1.5.3 HIGH Option = [F2]

8. Enter the high reference value and press the
[F1] STORE
9. Press to the current high reference value or press
INPUT
prompt will reappear.
10. Proceed to Procedure Options below.
Procedure Options
You have completed calibration of the RTD input. Do one of the following:
•
To calibrate another input, press
•
To calibrate additional slots, press
•
To leave the Calibration Menu, press
8
[F2]
to select Input B.
proceed to step 5.
proceed to step 8.
[ENT] key.
[F2]
to
[ENT] key.
[EXIT].
[EXIT]
and then
[F4] (EXIT)
twice.
ABORT
the calibration. In either case, the screen returns to the
[F2] ABORT
to the entry. In either case, the
[F4] (EXIT)
and proceed to the appropriate section.
DigitalFlow™ Multipurpose Ultrasonic Liquid Flowmeter Service Manual
ANALOG