# H10 Debug Page

### Definition

Enables the flow meter’s **debug screen**, which helps the manufacturer identify issues when a fault occurs. Default: **On**.

### Notes

After enabling, return to the **main screen** and **capture the debug screen information** to send to the manufacturer for troubleshooting.

### Operation Procedure

<details>

<summary><strong>Button Functions (Click to Expand)</strong></summary>

The main unit has **four buttons**. The **bottom line (Line 3)** of the LCD displays the current function of each button. Under normal operation, the button functions are as follows:

* <img src="https://content.gitbook.com/content/i4ECt41Kyy9211OWazj4/blobs/BZuNjMgY75LH0onY5NtL/image" alt="" data-size="line"> **Blue Button -** Leftmost button: Return, exit, or save settings.

Gray Arrow Buttons:

* <img src="https://content.gitbook.com/content/i4ECt41Kyy9211OWazj4/blobs/Br88VpmnPLAPdutxVdZb/image" alt="" data-size="line"> **Left Gray Button:** Page up, increase value, or select item
* <img src="https://content.gitbook.com/content/i4ECt41Kyy9211OWazj4/blobs/3Dzp8nuxmHsaZ7LqBscw/image" alt="" data-size="line"> **Right Gray Button:** Page down, decrease value, or select item
* <img src="https://content.gitbook.com/content/i4ECt41Kyy9211OWazj4/blobs/sq6fX6r39JE0Au2hahAR/image" alt="" data-size="line"> **Orange Button:** Rightmost button: Enter settings, edit, or confirm selection

{% hint style="danger" %}
**Do not hold buttons for extended periods to avoid damage.**
{% endhint %}

{% hint style="info" %}
Button functions may change depending on the operation context to improve usability or prevent accidental presses.
{% endhint %}

</details>

```
H10 Debug Page Setting Steps
• From the main screen (green backlight), 
  press Orange Button (Setup) to enter settings (orange backlight).
• Use Gray Arrow Buttons to select H. System , press Orange Button (Enter).
• Use Gray Arrow Buttons to select H10 Debug Page, press Orange Button (Enter).
• Use Gray Arrow Buttons to choose the options. 
• Press Orange Button (Set) to confirm.
• Press Blue Button (ESC) to return to the main screen (green backlight).
```

<figure><img src="https://3404778090-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fi4ECt41Kyy9211OWazj4%2Fuploads%2FySBa4VcpJdbv6eI9pyUg%2FFU-LT-H10-en.png?alt=media&#x26;token=a2eeda2e-06b4-4beb-b9af-f70ebad3d203" alt="" width="375"><figcaption></figcaption></figure>

<figure><img src="https://3404778090-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fi4ECt41Kyy9211OWazj4%2Fuploads%2FSTc1wRbDTVfUUnmF3CEJ%2FH10%20Debug%20Page.png?alt=media&#x26;token=13289157-555d-4754-ade9-38b4417a56e6" alt="" width="375"><figcaption><p><strong>Debug Screen</strong> (Actual values may vary depending on conditions)</p></figcaption></figure>

### H10 Options, RS485 Values, Read/Write Commands, and Formats

| Option       | Description | RS-485 Value |
| ------------ | ----------- | ------------ |
| Off          | -           | 0            |
| On (Default) | -           | 1            |

> Refer to the[ Read/Write Memory List](https://docs.lorric.com/qr/fu-lt-english-v1/communication/modbus-rtu-protocol/read-write-memory-ram) for the Modbus command format. This parameter uses the Int16 data format.