Password Lock Functions
The password lock is disabled by default. To enable it, set H07 Lock Device to On. The default password is 4321. To change the password, use H08 Password. Once enabled, entering the Settings screen from the main screen requires the password.
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
Do not hold buttons for extended periods to avoid damage.
Button functions may change depending on the operation context to improve usability or prevent accidental presses.
Password Lock Function (Click to Expand)
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, H08 Password
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 Setting
After 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 Screen
When 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.Last updated