Stanford Research Systems SR860 Operation Manual page 133

Dsp lock-in amplifier
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Chapter 4
CRAT(?) [ X | Y | R | j ] { , OFF | ON | i }
The
CRAT j, i
(i=0) or on (i=1). Setting an ratio for phase is not allowed.
The ratio function for X and Y are tied to aux input voltage 3, following the equation
The ratio function for R is similar, but is tied to aux input voltage 4:
Example
CRAT X, ON
CRAT 0, 1
CRAT? 0
CRAT? X
command turns the ratio function for X (j=0), Y (j=1), or R (j=2) to off
X
orY
Sensitivit
y
=
Output
Aux
In
1.000
R
Sensitivit
y
=
Output
Aux
In
1.000
Set X ratio mode to on
Returns the X ratio mode
Offset
×
×
Expand
10
3
V
Offset
×
×
Expand
10
4
V
Programming
V
V
SR860 DSP Lock-in Amplifier
115

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