D03 Bad Ultrasonic Signal

Definition

Set the flow meter’s alarm mode for poor ultrasonic signal conditions. Default: Do Not Disturb. The alarm code belongs to Alarm – C.

Notes

DND (Do Not Disturb) Mode

• System detects abnormalities, but red backlight remains off.

• Example: Alarm-A “4 Off Pipe” triggers no backlight.

• Abnormalities still appear on the Abnormalities page.

• RS485 connection still sends alarm signals.

• OCT output continues to signal alarms if configured.

Operation Procedure

Button Functions (Click to Expand)

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:

• Blue Button - Leftmost button: Return, exit, or save settings.

Gray Arrow Buttons:

• Left Gray Button: Page up, increase value, or select item

• Right Gray Button: Page down, decrease value, or select item

• Orange Button: 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.

D03 Bad Ultrasonic Signal Setting Steps
• From the main screen (green backlight), 
press Orange Button (Setup) to enter settings (orange backlight).
• Use Gray Arrow Buttons to select D.Alarm & Info , press Orange Button (Enter).
• Use Gray Arrow Buttons to select D03 Bad Ultrasonic Signal, 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).

D03 Options, RS485 Values, Read/Write Commands, and Formats

Options	Description	RS-485 Value
On	-	1
Do Not Disturb (Default)	-	2

Refer to the Read/Write Memory List for the Modbus command format. This parameter uses the Int16 data format.