> For the complete documentation index, see [llms.txt](https://docs.geodin.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.geodin.com/geodin-onsite/guides/soil-sampling.md).

# Soil sampling

## 1. Managing Soil Parameters

To begin managing soil parameters, select **Option 5** in the **G1 Drilling Report**. This will open the **Sampling Log** page for your project as seen below.

<figure><img src="/files/NoZsvWmhCE1KEdMQywRH" alt=""><figcaption></figcaption></figure>

When you click on the **From Depth** field, a builder window will open, allowing you to enter all relevant test details. Calculations for the **To Depth** will be performed automatically once the penetration value is entered in centimeters.

<figure><img src="/files/oMuWo3dtQBXCkRUhBBXf" alt=""><figcaption></figcaption></figure>

## 2. QR Code

#### **Configuring the Printer:**

* First, navigate to **Configuration** and select **Labels**. Choose the printer you want to use for printing.
* You can configure which printer to use for label printing. The system allows you to select **two printers**:

  * **Main Printer** - The default printer for standard labels.
  * **Alternative Printer** - A backup or specialized printer for specific cases.

  This flexibility is useful for clients who:

  * Operate in laboratories and need different label types (e.g., **white labels** for regular samples and **red labels** for hazardous or contaminated samples).
  * Require different sizes of labels (e.g., **small labels** for vials and **large labels** for containers).

<figure><img src="/files/jGac1HOj0Q40f7GhZs8O" alt=""><figcaption></figcaption></figure>

For deeper coverage of printer setup, label templates, and logo customisation, see [Label printing](/geodin-onsite/configuration/label-printing.md).

#### Label Generation:

* To print a QR code for a specific sample, click on the **three-line menu** next to the sample and select **Print Label**.
* The system will automatically generate a QR code containing the sample's unique identifier (ID), which can then be affixed to the sample for easy tracking and scanning.

<figure><img src="/files/UOp5zcR4o50P50CquDmE" alt=""><figcaption></figcaption></figure>

* As shown below, a **preview of the label** is generated, including the QR code for the selected sample.

<figure><img src="/files/ARdUHKjAWwnGzYTVHkTz" alt=""><figcaption></figcaption></figure>

For additional labelling workflows - including tools for duplicating labels, printing crate labels, and printing shelf labels - see [Managing labels](/geodin-onsite/guides/managing-labels.md).

#### Recommended Printer

For the smoothest experience, we recommend the **Zebra ZQ600 Series mobile thermal label printer**.

👉 Buy or view details: [Zebra ZQ600 Series](https://www.zebra.com/us/en/products/printers/mobile/zq600-series.html)

Other, equivalent thermal label printers may also work, but this model has been fully tested with GeoDin Onsite.


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