# B06 Pipe Geo Unit ### Definition Sets the pipeline size unit. Executing this function automatically updates A03 (Pipe Geometry Unit). Default: mm (millimeter). ### 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 %}

### B06 Options, RS485 Values, Read/Write Commands, and Formats

Options	Description	RS-485 Value
mm (Custom)	-	0
inch	-	1

> Refer to the[ Read/Write Memory List ](https://docs.lorric.com/qr/fu-es-echosense-instruction-manual/communication/modbus-rtu-protocol/read-write-memory-ram/read-write-memory-read-list)for the Modbus command format. This parameter uses the Int16 data format.