26
Power Quality Analyzer Model 3945-B
CHAPTER 4
OPERATION
NOTE: Charge the instrument fully before use.
The instrument is turned ON by pressing the green button. The startup screen
appears and indicates the instrument’s software version and serial number.
If there is no AC power supply, the instrument operates on batteries. The instru-
ment’s batteries are charged when it is connected to a 120/240; 60/50Hz line.
The instrument is turned OFF by pressing the green
button.Conrmationwill
be asked, if the instrument is recording or detecting transients.
NOTE: The current probes connected are identified at power ON only. Use the
same probe type for each phase. When changing type of probe, restart the Pow-
erPad
®
or select the correct probe type using the set up mode.
When installing probes, face the arrow on the probe in the direction of the load.
4.1 Instrument Configuration (Set-up mode)
NOTE: AllcongurationsareavailablethroughtheDataView
®
software.
NOTE: The instrument must be configured the first time it is used and then when-
ever necessary, should your needs change. The configuration is saved in the
non-volatile memory when the instrument is turned OFF.
When the buttonispressed,thefollowingsetupchoicesappear:
DATE / TIME
CONTRAST / BRIGHTNESS
COLORS
CALCULATION METHOD
ELECTRICAL HOOKUP
CURRENT SENSORS
BAUD RATE
RECORDING
ALARM
CLEAR MEMORY
LINE FREQUENCY
07/25/02 10:26 100
%
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Figure 4-1
