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17
SR510 Command List
The first letter in each command sequence is the
command. The rest of the sequence consists of
parameters. Multiple parameters are separated by
a comma. Those parameters shown in {} are
optional while those without {} are required.
Variables m and n represent integer parameters
while v represents a real number. Parameters m
and n must be expressed in integer format while v
may be in integer, real, or floating point format.
A {n}
If n is "1", the A command causes the auto offset
routine to run. Every time an "A 1" command is
received, the auto offset function is executed. If n
is "0", then the auto offset is turned off. If n is
absent, then the auto offset status is returned.
Note that if the manual offset is on, an "A 1"
command will turn off the manual offset before
executing the auto offset function.
B {n}
If n is "1", the B command sets the bandpass filter
in. If n is "0", the bandpass filter is taken out. If n
is absent, then the bandpass filter status is
returned.
C {n}
If n is "1", the C command sets the reference LCD
display to show the phase setting. If n is "0", the
LCD will display the reference frequency. If n is
absent, the parameter being displayed (frequency
or phase) is returned. Note that the P and F
commands are used to read the actual values of
the phase and frequency.
D {n}
If n is included, the D command sets the dynamic
reserve. If n is absent, the dynamic reserve
setting is returned.
n Dyn Res
0LOW
1NORM
2 HIGH
Note that not all dynamic reserve settings are
allowed at every sensitivity.
E {n}
If n is "1", the E command turns the output expand
on. If n is "0", the expand is turned off. If n is
absent, the expand status is returned.
F
The F command reads the reference frequency.
For example, if the reference frequency is 100 Hz,
the F command returns the string "100.0". If the
reference frequency is 100.0 kHz, the string
"100.0E+3" is returned. The F command is a read
only command.
G {n}
If n is included, the G command sets the gain
(sensitivity). If n is absent, the gain setting is
returned.
n Sensitivity
1 10 nV
2 20 nV
3 50 nV
4 100 nV
5 200 nV
6 500 nV
71 µV
82 µV
95 µV
10 10 µV
11 20 µV
12 50 µV
13 100 µV
14 200 µV
15 500 µV
16 1 mV
17 2 mV
18 5 mV
19 10 mV
20 20 mV
21 50 mV
22 100 mV
23 200 mV
24 500 mV
Note that sensitivity settings below 100 nV are
allowed only when a pre-amplifier is connected.
H
The H command reads the pre-amplifier status.
If a pre-amplifier is connected, a "1" is returned,
otherwise, a "0" is returned. The H command is a
read only command.
I {n}
If n is included, the I command sets the remote-
local status. If n is absent, the remote-local status
is returned.