2-2
5) The PMC is now ready to be used for meter calibration. Refer to the rest of this
section for proper connections and operation.
2.4 Front Panel Operation
2.4.1 General
Control of the PMC is straightforward and requires pressing the keys that designate the desired
operating modes, conditions, and values according to the sequences shown in Fig. 2.1. See
Section 2.5 for PMC Operating Procedures. Each of the keys that represent operational status or
the type of value to be entered or modified have LED indicators to show the present state of the
PMC.
The alphanumeric display shows the PMC state along with prompting for user response, showing
output values and displaying error messages. Table 2.1 shows the output functions of the PMC
and the corresponding quantities, which can be displayed, entered, and modified. Voltage and/or
current outputs are present only when the OPER key has been depressed and the OPER LED is
illuminated, and are absent when the STBY LED is illuminated.
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