LeCroy WAVEJET 300A SERIES Manual page 29

Status
DESCRIPTION
COMMAND SYNTAX
QUERY SYNTAX
RESPONSE FORMAT
REMARKS
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DESCRIPTION
COMMAND SYNTAX
QUERY SYNTAX
RESPONSE FORMAT
917976 Rev A
WaveJet 300A Remote Control Manual
*ESR?
Query
The *ESR? query reads and clears the event status
register (ESR). The binary codes in register bits 0 to
7 are added together, and the sum is returned as a
response to this query.
The structure of the ESR register is outlined in
"Remarks".
*ESR?
<value>
The current contents of the ESR register are identified
in <value>. The format is <NR1 Numeric Response Data>.
The table below shows the structure of the ESR register.
Bit Weighting Description
7 128 PON: Power-on
6 64 URQ: This bit is not used in this product.
5 32 CME: Command error
4 16 EXE: Execution error
3 8 DDE: Device-specific error
2 4 QYE: Query error
1 2 RQC: This bit is not used in this product.
0 1 OPC: Operation complete
FDELTA?
Query
The FDELTA? query returns delta-f (frequency
resolution) of the FFT results in Hz.
FDELTA?
<value>
<value>:= <NR3 Numeric Response Data> format. <value>
shows the frequency resolution of the FFT results.
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