GE DigitalFlow DF868, Service Manual

Page: 15 / 68

DigitalFlow™ Multipurpose Ultrasonic Liquid Flowmeter Service Manual 7
Chapter 1. Calibration
1.4.4 Accessing the Calibration Menu (cont.)
1.4.5 20 mA Option = [F4]
1. Connect the 20 mA current source to the currently selected analog input, as shown in Figure 3 on page 5.
2. Press
[F1]
to store the current 20 mA value or press
[F2]
to cancel the entry. In either case, the
ANALOG INPUT
prompt
reappears.
3. Proceed to Procedure Options below.
Procedure Options
You have completed calibration of the analog input. Do one of the following:
•
To calibrate another input, return to Step 3 in Accessing the Calibration Menu on the previous page.
•
To calibrate/test additional slots, press
[F4] (EXIT)
and proceed to the appropriate section.
•
To leave the Calibration Menu, press
[F4] (EXIT)
twice.