4.4
Commands
4 – 13
Input filter notch depth trim
NCHD(?)
{
g
}
Set (query) the input filter notch depth trim value
{
to
g
}
. The default
value is
NCHD
0
.
The parameter
g
can range from
−
999
≤
g
≤
+
999, in dimensionless
units.
NCHD?
Example:
125.000000000
4.4.7
Gain and time constant commands
Input sensitivity
SENS(?)
{
z
}
Set (query) the full-scale input sensitivity setting
{
to
z
}
. Allowable
values are:
z
Value
Full-scale
z
Value
Full-scale
sensitivity
sensitivity
S100NV 0
100 nV
S500UV 11
500
µ
V
S200NV 1
200 nV
S1MV 12
1 mV
S500NV 2
500 nV
S2MV 13
2 mV
S1UV 3
1
µ
V
S5MV 14
5 mV
S2UV 4
2
µ
V
S10MV 15
10 mV
S5UV 5
5
µ
V
S20MV 16
20 mV
S10UV 6
10
µ
V
S50MV 17
50 mV
S20UV 7
20
µ
V
S100MV 18
100 mV
S50UV 8
50
µ
V
S200MV 19
200 mV
S100UV 9
100
µ
V
S500MV 20
500 mV
S200UV 10
200
µ
V
See
ISRC
command discription for a discussion of sensitivity when
configured for current inputs.
SENS?
Example:
S100UV
Reserve mode
RMOD(?)
{
z
}
Set (query) the input sensitivity setting
{
to
z
=
(
HIGH 0
,
NORMAL 1
,
LOWNOISE 2
)
}
.
RMOD 1
Example:
SR124
Analog Lock-In Amplifier