# Password Lock Function

The password lock is **disabled by default**. To enable it, set [**H07 Lock Device**](/qr/fp-as310-english-v5/parameters/h-system/h07-lock-device.md) to **On**. \
The default password is **4321**. To change the password, use [**H08 Password**](/qr/fp-as310-english-v5/parameters/h-system/h08-password.md). Once enabled, entering the **Settings screen** from the main screen requires the password.

<figure><img src="/files/Mu8SUXUC8ikpBvaefUC6" alt=""><figcaption></figcaption></figure>

<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</strong> <em>(Click to Expand)</em></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](/qr/fp-as310-english-v5/parameters/h-system/h07-lock-device.md), [H08 Set Password](/qr/fp-as310-english-v5/parameters/h-system/h08-password.md)

H07 Lock Device (Enable/Disable)• H07 Lock Device 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 H07 Lock Device, press Orange Button (Enter).• Use Gray Arrow Buttons to choose "ON". • Press Orange Button (Set) to confirm.• Press Blue Button (ESC) to return to the main screen (green backlight).H08 Password SettingAfter enabling H07 Password Lock, the default password is 4321. To change the password, use H08 Password.H08 Password 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 H08 Lock Device, press Orange Button (Enter).• Use Gray Arrow Buttons to choose the digit to adjust(highlighted in dark gray).• Press Orange Button(Edit) to enter adjustment mode.• Adjust digits: Left Gray Button to increase, Right Gray Button to decrease.• Press Orange Button(SAVE) to confirm each digit• After all digits are set, press Blue Button(Save).• Press Blue Button(ESC) to return to the main screen(green backlight).Locked ScreenWhen the password lock is enabled, entering the Settings screen from the main screen will display the Password Entry screen.Password Entry Screen Instructions:• Use the gray direction keys to select the digit to adjust • Press orange Edit to start entering the password.• Adjust the digit: press the left gray key to increase, the right gray key to decrease.• After entering the correct password, • Press the Blue Button (Check) to access the Settings screen.• If the password is incorrect, the system will return to the main screen.Incorrect Password & ResetIncorrect Password Attempts: No limit\
Forgotten Password: Contact LORRIC to obtain the master reset password.

</details>


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