Rigol DSA1030, User Manual

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Front Panel Key Reference RIGOL
User’s Guide for DSA1000 Series 2-87
1. State
Turns on or off the frequency counter.
Key Points:

If no active marker currently exists, turning on the counter will open a Normal
marker automatically.

The frequency readout is more accurate when the counter is On.

The counter measures the frequency near the Center frequency in Zero span
mode.
2.
Resolution
Sets the resolution of frequency counter manually or automatically. The available
resolutions are 1 Hz, 10 Hz, 100 Hz, 1 kHz, 10 kHz and 100 kHz.
Table 2-58 The resolution of frequency counter
Parameter Explanation
Default 1 kHz
Range 1 Hz to 100 kHz
Unit GHz, MHz, kHz, Hz
Knob Step 10 times
Direction Key Step 10 times
2.5.4 Peak
Executes peak searching immediately and opens the Peak setting menu.
Key Points:

If Max is selected from the Peak Search option, it will search and mark the
maximum on the trace.

If Param is selected from the Peak Search option, it will search and mark the
peak that meets the condition of the parameter.

The peak search of Next Peak, Peak Right, Peak Left or peaks in the peak table
must meet the specified parameter condition.

The spurious signal at the zero frequency caused by LO feed through is ignored.

When no peak that meets the specified parameter condition is found, the system
will then prompt you with the message “No peak found”.