CET Electric Technology
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Chapter 3 Front Panel
The PMC-33M-A has a large, easy to read LCD display with backlight and four buttons for data display
and meter configuration. This chapter introduces the front panel operations.
Figure 3-1 Front Panel
3.1 Display
3.1.1 LCD Testing
Pressing both the <Phase> and the <Energy> buttons simultaneously for 2 seconds enters the LCD
Testing mode. All LCD segments and LED indicators are illuminated during testing. The LCD will return
to its normal display mode when any button is pressed.
Figure 3-2 Full LCD Display
3.1.2 LCD Display Area
This section provides a description of the LCD display areas which can generally be divided into 4 areas:
A: Measurement values
B: Measurement symbols/units for parameters such as Voltage, Current, THD, Unbalance, PF,
Voltage Phase Angle, Current Phase Angle and Demand, ...etc.
C: Energy Measurements
D: IMP, EXP, Net, TOT, MAX, MIN, DMD, Run Time, HD, Unb, PF, DI & DO Status Indicators