4 – 2
Remote Operation
4.1
Index of commands
Symbol
Definition
f
,
g
Floating-point value
i
,
j
Unsigned integer
z
Literal token
(?)
Required for queries; illegal for set commands
var
Parameter always required
{
var
}
Required parameter for set commands; illegal for queries
[
var
]
Optional parameter for both set and query forms
Reference and phase
PHAS(?)
{
f
}
4 – 9 Reference phase
QUAD(?)
{
z
}
4 – 9 Phase quadrant
FMOD(?)
{
z
}
4 – 9 Reference mode
FREQ(?)
{
f
}
4 – 9 Reference oscillator frequency
SLVL(?)
{
g
}
4 – 10 Reference output amplitude
RSLP(?)
{
z
}
4 – 10 Reference slope shape
FRNG(?)
{
z
}
4 – 10 Reference oscillator range
BION(?)
{
z
}
4 – 11 Reference DC bias enable
BIAS(?)
{
g
}
4 – 11 Reference DC bias magnitude
FORM(?)
{
z
}
4 – 11 Reference output waveform
Input
ISRC(?)
{
z
}
4 – 11 Input source
IGND(?)
{
z
}
4 – 12 Input shield grounding
ICPL(?)
{
z
}
4 – 12 Input coupling
Filter
TYPF(?)
{
z
}
4 – 12 Input filter type
QFCT(?)
{
z
}
4 – 12 Input filter Q-factor
IFFR(?)
{
f
}
4 – 12 Input filter frequency
IFTR(?)
{
g
}
4 – 12 Input filter frequency trim
NCHD(?)
{
g
}
4 – 13 Input filter notch depth trim
Gain and time constant
SENS(?)
{
z
}
4 – 13 Input sensitivity
RMOD(?)
{
z
}
4 – 13 Reserve mode
OFLT(?)
{
z
}
4 – 14 Output filter time constant
OFSL(?)
{
z
}
4 – 14 Output filter slope
Output
OMOD(?)
{
z
}
4 – 14 Output mode
SR124
Analog Lock-In Amplifier
