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40
or DC (i=1).
ILIN(?){i}
The ILIN command sets and queries the notch filter status. The parameter i selects to close
notch filters (i=0), open the 50Hz notch filter (i=1), open the 100Hz notch filter (i=2) or
open the 50Hz and 100Hz notch filter at the same time (i=3).
4.2.3 Sensitivity and Time Constants Commands
SENS(?){i}
The SENS command sets or queries the sensitivity. The parameter i is used to select a
different range.
i
sensitivity
i
sensitivity
i
sensitivity
0
2 nV/fA
9
2 μV/pA
18
2 mV/nA
1
5 nV/fA
10
5 μV/pA
19
5 mV/nA
2
10 nV/fA
11
10 μV/pA
20
10 mV/nA
3
20 nV/fA
12
20 μV/pA
21
20 mV/nA
4
50 nV/fA
13
50 μV/pA
22
50 mV/nA
5
100 nV/fA
14
100 μV/pA
23
100 mV/nA
6
200 nV/fA
15
200 μV/pA
24
200 mV/nA
7
500 nV/fA
16
500 μV/pA
25
500 mV/nA
RMOD(?){i}
The RMOD command sets or queries the mode of dynamic reserve. The parameter i selects
<Low Noise> (i=0), <Normal> (i=1) or <High Reserve> (i=2).
OFLT(?){i}
The OFLT command sets or queries the time constant of filters. The parameter i selects a
time constant below.
i
time constant
i
time constant
i
time constant
0
10 μs
7
30 ms
14
100 s
1
30 μs
8
100 ms
15
300 s
2
100 μs
9
300 ms
16
1 ks
3
300 μs
10
1 s
17
3 ks
4
1 ms
11
3 s
18
10 ks
5
3 ms
12
10 s
19
30 ks
6
10 ms
13
30 s
OFSL(?){i}
The OFSL command sets or queries the low pass filter slope. The parameter i selects
<6dB/oct> (i=0), <12dB/oct> (i=1), <18dB/oct> (i=2) or <24dB/oct> (i=3).
SYNC(?){i}
The SYNC command sets or queries the status of synchronous filter. The parameter i
selects Off (i=0) or On (i=1). The synchronous filtering is turned on only when the
reference frequency is less than 20 Hz.