3129
F. D MODE FEATURES AND FUNCTIONS
1. TREND {Range-Cap., Freg., ACV,DCV,
AC/DC(µA,mA,A)}
The TREND mode allows you to measure a specific function
for a predetermined length of time so you can look for trends
in the circuit being monitored. The following functions are
enabled when TREND mode is entered.
RS232 TIME TREND RE-
SET TYPE START
F1 F2 F3 F4 F5
a) RS232 Enables the RS232 port on the top of the
440. Allows for interface between the 440
and a PC.
b) TIME SET Allows you to edit the time per division for
the trend graph.
SLOW FAST EXIT
F1 F2 F3 F4 F5
Slow or Fast selects the interval to use on
the horizontal scale as data points are plot-
ted on the trend graph. (Seconds: 1, 2, 5,
10, 15, 30, 45; Minutes 1, 2, 3)
c) TREND TYPE
AVG SAMPLE EXIT
F1 F2 F3 F4 F5
Average: Plots the average of all samples
taken by the 440 during the plot interval.
Sample: Plots the last sample taken by the
440 at the time the data point is plotted.
d) RE-START Starts plotting a new trend graph as new
samples are acquired. Primary readings
are displayed and plotted; there are no
secondary readings in Trend Mode.
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