9 Programming the Instrument
9.4 Status Register System & STATus Subsystem
Bit Condition Operation
10 Reference missing
or out of range
The signal being fed to a reference input is missing or too high or
low in frequency for the reference to lock
Filter Registers
–
"Questionable Frequency Condition" on page 2804
–
"Questionable Frequency Enable" on page 2804
–
"Questionable Frequency Event Query" on page 2805
–
"Questionable Frequency Negative Transition" on page 2805
–
"Questionable Frequency Positive Transition" on page 2806
Questionable Frequency Condition
Returns the decimal value of the sum of the bits in the Questionable Frequency
Condition register.
NOTE
The data in this register is continuously updated and reflects the current
conditions.
Remote Command
:STATus:QUEStionable:FREQuency:CONDition?
Example
:STAT:QUES:FREQ:COND?
Preset 0
Status Bits/OPC depend-
encies
Sequential command
Questionable Frequency Enable
Determines which bits in the "Questionable Frequency Condition" on page 2804
Register will set bits in the "Questionable Temperature Event Query" on page 2802
register, which also sets the Frequency Summary bit (bit 5) in the "Questionable
Register" on page 2794.
The variable <integer> is the sum of the decimal values of the bits you want to
enable.
Remote
Command
:STATus:QUEStionable:FREQuency:ENABle <integer>
:STATus:QUEStionable:FREQuency:ENABle?
Example
:STAT:QUES:FREQ:ENAB 2
Frequency Reference Unlocked will be reported to the Frequency Summary of the Status
Spectrum Analyzer Mode User's &Programmer's Reference 2804
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