Note: This software version is a baseline version update. The firmware must be upgraded at the same time. The firmware version must meet any one of the following requirements:
VNStudio 1.0.6 (02/11/2026)

Feature updates

1. Sweep point limits: Linear and logarithmic frequency sweeps support up to 10001 points. Power sweeps support up to 2048 points.
2. Segment sweep: Added Segment Sweep and Segment Table with up to 10 user-defined segments. Each segment has independent start/stop frequencies, point count, IFBW, and power settings. Supports enabling/disabling, adding, deleting, and copying segments, saving and loading segment files, and restoring segments from a project.
3. Waves raw receiver data: Supports raw receiver wave display, averaging, Memory, and CSV and Touchstone S1P export.
4. Trigger control: Added internal/external trigger selection and an independent trigger output switch for synchronized measurements with external devices.
5. Touchstone S1P export: Supports saving S11 and S22 frequency-domain traces and their corresponding Memory data as .s1p files.
6. Calibration and CalKit: Improved P1/P2 one-port mechanical and electronic calibration with per-port detection and Quick shortcuts. Calibration status shows the active mode and port. Improved ECB-60 module recognition. Added CalKit parameter editing with Save and Save As to maintain custom calibration kits.
7. Update support: Added a firmware version mismatch indication to help check compatibility between the device firmware and software, and improved switching between update sources.

Bug fixes

1. Interface clock: Fixed an issue where the displayed time did not update continuously.
2. Marker and legends: Fixed issues with fine adjustments to Marker positions during power sweeps, incorrect graph binding in the Marker advanced settings dialog, and readouts not refreshing promptly after a sweep stops. Improved legend positioning and alignment to reduce overlap.
3. Preset save and restore: Fixed issues where Memory data could be lost or cleared unexpectedly, and where Math, Marker, display, and device settings were not fully restored.
4. Software updates: Fixed an issue where download, verification, and installation states could interfere with each other when switching update sources.
5. Fixed other known issues.

Firmware 1.8.6 Release Notes

Feature updates

1. Added CW functionality.
2. Added external trigger input and output.
3. Added version identification for R4 compatibility.

Bug fixes

1. Optimized sweep time.
2. Corrected low-level wave data output.
3. Fixed a single-sweep issue.
4. Corrected 25M calibration data.
5. Reduced the number of MCU ADC samples from 100 to 75.
6. Updated the trig_out pin definition.
7. Fixed low-frequency spikes.
8. Fixed other known issues.
9. Added a sampling delay at low frequencies to help avoid spikes caused by sampling before lock is achieved.


- VNStudio 1.0.4 (08/10/2026)
* Firmware 1.8.1 Server 1.6.5

1. Added Touchstone S1P export for selected S11 and S22 frequency-domain traces and their corresponding Memory data, saved as .s1p files.
2. Improved P1/P2 one-port mechanical and electronic calibration.
3. Calibration status now shows the active calibration mode and P1/P2 port indicators. On VNB-60, a confirmation prompt appears when changing the sweep range beyond the effective range of the user calibration.
4. Added support for ECB-60 electronic calibration module identity information, improving module recognition and connection.
5. Improved Windows 7 release packages by including the required runtime libraries and the Zadig driver tool.
6. Improved disk space checks and error messages during software updates. Added automatic cleanup of old logs to reduce disk usage over time.
7. Updated bundled firmware to 1.8.1.

- VNStudio 1.0.2 (21/09/2026)
* Firmware 1.7.3 Server 1.6.5

1. Initial Version