modules interface in desribed

Author: prathameshnium

docs/User_Manual.md

@@ -138,6 +138,14 @@ A standalone, multiprocessing-enabled tool for detailed data analysis. Unlike th
 
 To ensure the software is self-contained (useful for offline lab computers), PICA includes an in-app viewer for project documentation, including this User Manual, the License, and the Changelog.
 
+### 4.4 Measurement Module Interface
+
+Each measurement module consists of two primary windows: the control window on the left and the plotter window on the right. The dimensions of both windows are resizable. Upon launching a measurement module, it is recommended to first enlarge the control window, as it is required for configuring all experimental parameters. Typical settings include specifying the sample file name, selecting the file storage location, choosing the instrument address via a selection box, and defining voltage and temperature step sizes, delays, and other experimental parameters.
+
+The control window also contains a console located below the parameter settings. This console can be scrolled and provides a continuous log of all operations executed by the software. The right-hand plot window is a simplified plotting interface that can display one, two, or three plots, depending on the specific module. The plots are updated in real time, and some modules allow switching the axes to a logarithmic scale to improve data visualization. The plotting interface is intentionally kept minimalistic, with limited functionality, to reduce unnecessary user interaction with the measurement setup, and maintaining the measurement program in a simplified form by omitting nonessential features.
+
+Above the plot area, there are two buttons providing access to the [VISA Instrument Scanner](#41-visa-instrument-scanner) and [PICA Plotter Utility](#42-pica-plotter-utility). These utilities are accessible from all modules to facilitate rapid testing and diagnostics. The VISA/GPIB scanner allows the user to quickly verify whether instruments are properly connected and recognized by the system, while the plotter utility offers additional plotting capabilities beyond those available in the default plot window.
+
 ## 5\. Supported Measurement Modules
 
 PICA is designed to be as versatile as possible, while being optimized for specific classes of instruments. The following modules represent the core capabilities of the suite, supporting a resistance scale spanning **24 orders of magnitude** (10 nOhm to 10 POhm) depending on the hardware used.