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Programming
LIAS? { j }
The
LIAS?
returned as a decimal number from 0 to 4095. The
(0 or 1) of bit j (0–11). Reading the entire word will clear it while reading bit j will clear
just bit j.
Example
LIAS?
LIAS? 8
CUROVLDSTAT?
The
CUROVLDSTAT?
overloads reflect the state of the lock-in at the time the command is processed. They are
NOT set until read.
The value is returned is a decimal number from 0 to 4095 where the bits are defined
below.
Example
CUROVLDSTAT?
SR865A DSP Lock-in Amplifier
command queries the value of the lock-in (LIA) status word. The value is
Returns decimal value of the lock-in status word
Returns bit 8 of the lock-in status byte
command queries the present overload states of the lock-in. These
Bit
Weight
Definition
0
1
CH1 output scale
1
2
CH2 output scale
2
4
unused
3
8
External reference unlocked
4
16
Input range
5
32
unused
6
64
unused
7
128
unused
8
256
Data Channel 1 scale
9
512
Data Channel 2 scale
10
1024
Data Channel 3 scale
11
2048
Data Channel 4 scale
Returns decimal value of the overload status word
LIAS? j
command queries the value
Chapter 4
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