Section 3
3-55
c) <Update 1/2/4> - the display is updated every
2 Reversal rate for update 1.
1 Reversal rate for update 2.
½ Reversal rate for update 4.
d) <Power 1/2> - 1 : the I
x
current (voltage for 2 wire) is as set
2 : the I
x
current (voltage for 2 wire) is set to (I
x
2)
e) <No filter /Decimation/N average>
This sets the type of filter on the displayed measurement. Decimation is an
IIR type and N average is a FIR type filter. See <Sofcal_Filter> to set the
filter types. Note that when the N average filter is chosen the standard
deviation for the last N measurements is displayed.
f) <Normal/ppm/delta/ppm sp/delta sp> - The measurement is displayed as :
1. direct ratio or ohms.
2. ppm from "reading" where "reading" is the displayed value when the ppm
key is pressed.
3. delta from "reading" where "reading" is the displayed value when the
<delta> key is pressed.
4. ppm sp (ppm from set point) when set point is an internally set value. See
<Sofcal_Datum> to change the set point.
5. delta sp (delta from set point) where set point is an internally set value.
See <Sofcal_Datum> to change the set point.
g) <Cal-ch off/+FS/0/-FS> - this key is used to calibrate the chart recorder used
+FS = +5 V output
-FS = -5 V output
0 = 0 V output
Cal-Ch is set to off when you want to use the chart recorder.
h) <Chart off/on> - This function key toggles the chart recorder on or off. To set
the scale of the chart recorder (in ppm/volt) see <Sofcal> chart.
i) <Quick OFF> - This function key toggles the quick measure feature on and off to
speed up the measurement cycle (quick measurement on).
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