# H08 Password

### Definition

Sets or changes the flow meter’s 4-digit password.

### Notes

1. After enabling H07 (Password Function), the default password is **0000**.
2. Incorrect attempt limit: No limit.
3. If the password is forgotten: Contact LORRIC to obtain a master reset password.

### Operation Procedure

<details>

<summary><strong>Button Functions</strong> <em>(Click to Expand)</em></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="/files/bdd75120acea6361d128fd3deec06f1a8277e667" alt="" data-size="line"> **Blue Button:** Leftmost button: Return, exit, or save settings.
* Gray Direction Buttons:
  * <img src="/files/2e37e572251371c6020ab6d9e11c1fcdd5ef0369" alt="" data-size="line"> **Left Gray:** Previous Page, decrease value, or select item
  * <img src="/files/50a67ff5744401e217d5b9e838da3f7909be732f" alt="" data-size="line"> **Right Gray:** Next Page, increase value, or select item
* <img src="/files/uJJ6BEZ4sukIlwQaHrUB" 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>

<details>

<summary><strong>Password Lock Function (Click to Expand)</strong></summary>

> The password lock function restricts access to and modification of parameters, preventing unauthorized or accidental changes to settings.
>
> The relevant parameters for this function are: [H07 Lock Device](broken://pages/BZio2wxccvS48IXm5N71), [H08 Password](broken://pages/ZI2RirMpokMealqOFqVG)

</details>

### H08 Options, RS485 Values, Read/Write Commands, and Formats

| Parameter Input Range | Corresponding Values | RS-485 Value |
| --------------------- | -------------------- | ------------ |
| Default Password      | 0000                 | -            |
| Minimum               | 0000                 | -            |
| Maximum               | 9999                 | -            |


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