User`s guide
Table Of Contents
- Overview
- Getting Started
- System Setting
- Making Measurements
- Measuring Multiple Signals
- Measuring a Low-Level Signal
- Improving Frequency Resolution and Accuracy
- Making Distortion Measurements
- One-button Power Measurement
- Making a Stimulus Response Transmission Measurement
- Measuring Stop Band Attenuation of a Low-pass Filter
- Making a Reflection Calibration Measurement
- Measuring Return Loss Using the Reflection Calibration Routine
- Making an Average Power Measurement
- Key Reference
- SCPI Command Reference
- Error Messages
- Menu Map
![](/manual/agilent-technologies/n9340a/user-s-guide-english/images/img-103.png)
6 SCPI Command Reference
150 N9340A User’s Guide
TRACe Subsystem
The TRACe subsystem controls access to the
internal trace memory of the analyzer.
Select Trace Display Mode
:TRACe[1]|2|3|4:MODE
WRITe|MAXHole|MINHole|VIEW|BLANk
:TRACe[1]|2|3|4:MODE?
This command selects the display mode as follows:
• Write
Puts the trace in the normal mode, updating the
data.
• Maximum Hold
Displays the highest measured trace value for all
the data that has been measured since the func-
tion was turned on.
• View
Turns on the trace data so that it can be viewed
on the display.
• Blank
Turns off the trace data so that it is not viewed
on the display.
*RST State: Write
Key access: [TRACE] > {Clear Write}
[TRACE] > {Max Hold}
[TRACE] > {Min Hold}
[TRACE] > {View}
[TRACE] > {Blank}
NOTE
Whenever the number of sweep points change, the following
functions are affected:
• All trace data is erased
• Any traces in view mode will go to blank mode.