# H12 System Info.
### Definition
Displays system information to help users and the manufacturer verify the model and firmware version.
### Notes
N/A
### Operation Procedure
Button Functions(Click to Expand)
When the main screen is displayed in **green backlight**, the four buttons function as follows:
* **Blue Button (leftmost):** Return, exit, or save settings.
* Gray Direction Buttons:
* **Left Gray:** Previous Page, decrease value, or select item
* **Right Gray:** Next Page, increase value, or select item
* **Orange Button (rightmost):** 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 %}
```
H12 System Info. Access Procedure:
1.From the main screen (green backlight),
press the orange Setup button at the bottom right to enter the settings menu (orange backlight).
2.Use the arrow keys to select H System, then press Enter (orange key).
3.Use the arrow keys to select H12 System Info., then press Enter.
4.The system information is displayed:
• P1205: Firmware version number. Matches the version number displayed on the startup screen.
• D1205 and S1101: Hardware version numbers.
• 025: Machine model number (DN25 pipe diameter)
```
**Orange Button (rightmost):** 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 %}
