194 Keysight CXG, EXG, and MXG X-Series Signal Generators Programming Guide
Programming the Status Register System
Status Groups
Data Questionable Frequency Condition Register
The Data Questionable Frequency Condition Register continuously monitors
the hardware and firmware status of the signal generator. Condition registers
are read-only.
Data Questionable Frequency Transition Filters (negative and positive)
Specifies which types of bit state changes in the condition register set
corresponding bits in the event register. Changes can be positive (0 to 1) or
negative (1 to 0).
Data Questionable Frequency Event Register
Latches transition events from the condition register as specified by the
transition filters. Event registers are destructive read-only. Reading data from
an event register clears the content of that register.
Table 4-6 Data Questionable Frequency Condition Register Bits
Bit Description
0 Synth. Unlocked. A 1 in this bit position indicates that the synthesizer is unlocked.
1 10 MHz Ref Unlocked. A 1 in this bit position indicates that the 10 MHz reference signal is unlocked.
2 Frequency Clipped. A 1 in this bit position indicates that the 1 GHz reference signal is unlocked.
3−14 Unused. These bits are always set to 0.
15 Always 0.
Query: STATus:QUEStionable:FREQuency:CONDition?
Response: The decimal sum of the bits set to 1.
Commands: STATus:QUEStionable:FREQuency:NTRansition <value> (negative transition) or
STATus:QUEStionable:FREQuency:PTRansition <value> (positive transition) where
<value> is the sum of the decimal values of the bits you want to enable.
Queries: STATus:QUEStionable:FREQuency:NTRansition?
STATus:QUEStionable:FREQuency:PTRansition?
Query: STATus:QUEStionable:FREQuency[:EVENt]?
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