2-8
Press the %DEV key again to display METER = 00.00%. The PMC now displays the deviation
from the selected calibration point in percent of meter full scale. The previous displays can be
reviewed and/or changed by pressing the %DEV key.
Repeatedly press the % DEV key until the METER = XX.XX% is displayed again. Press OPER
to initiate the output. Use the rotary knob or the modify keys to change the output level and the %
deviation displayed. Do not enter a value from the keypad or use the RECALL feature. A new
full scale or calibration point must be entered using the keypad or RECALL feature. Changing the
full scale or calibration point resets the percent deviation to zero.
2.4.7 Memory
The Memory feature is useful for storing frequently used output settings and quickly recalling
them later. An output setting can be entered into the memory by simply pressing the STORE key.
Illumination of the STORE LED indicates that stored values are present. Up to 50 settings can be
stored. The display will flash memory store # after each entry and will continue to flash on and
off if all of the memory locations have been filled.
Output settings in memory are recalled by pressing the RECALL key. The memory operates on a
first in, first out (FIFO) basis. This sequence will continue whereby the first setting stored will
also follow the last when recalling through all of the stored settings. Pressing the CLEAR key
clears all memory settings.
The keypad may be used to help move through the stored settings. Pressing 0 then RECALL
recalls the first stored setting. Entering a number other than zero and pressing RECALL recalls
the output setting at that location.
2.5 PMC Operating Procedures
The following procedures outline the operating steps and connections that are necessary for
calibrating various categories of panel meters. A detailed example for operating a power factor
meter at 120 volts, 5 amperes and 60 Hz is given in tabular form with operator actions and results
listed, to help familiarize the operator with many of the operating details of the PMC. The
remaining procedures are given in less detail but show the principal operating steps. All
procedures follow the operating sequences shown in Figure 2.1 (See page 2-3).
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