Instructions

110 T3VNA User Manual
3. RBW
RBW has a coupling relationship with the span. Please refer to the introduction of the "Resolution
Bandwidth".
4. VBW
VBW has a coupling relationship with the span. Please refer to the introduction of "VBW".
5. Sweep time
Sweep time has a coupling relationship with RBW, VBW and span. Please refer to the introduction of
"Sweep Time".
6. Mode Couple
Some of the basic parameters are allowed to be set up in coupled operation between dierent modes.
If the Center Freq is set to On in one mode, it applies to all other modes that support center freq setting
so that you can switch between any of these modes while center freq will be unchanged. When press
All Off, all of the mode couple switches are set to Off.
6.4.3 Help
The Help button has been implemented. The full instructions on the Help button use is covered in
section 1.10.
6.4.4 Save
Quickly save a file, according to File->’Save Type’ settings.
By default, pressing Save will save screenshots in .PNG format.
If there is an external memory, it will be saved to the external memory first.