Emerson Rosemount OCX 8800 Reference Manual page 92

Calibration
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8.
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Press OK. Read the COe milliamp output at the digital multimeter. Enter the reading
at the Field Communicator and press ENTER.
Select ABORT to exit without changes.
The Field Communicator displays Setting Fld dev output to 4 mA.
Press OK.
The Field Communicator displays Fld dev output 4.00 mA equal to
reference meter?
Using Up or Down, select 1 Yes or 2 No. Press ENTER.
If No, the process repeats from step 5.
The Field Communicator displays Setting Fld dev output to 20 mA.
Press OK.
The Field Communicator displays Fld output 20.00 mA equal to
reference meter?
Using Up or Down, select 1 Yes or 2 No. Press ENTER.
If No, the process repeats from step 5.
The Field Communicator displays NOTE: Loop may be returned to
automatic control.
OCX 8800