> For the complete documentation index, see [llms.txt](https://docs.lorric.com/qr/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.lorric.com/qr/fu-es-echosense-instruction-manual/parameters/z-easy-setup.md). # Z Easy Setup | No. | Name | Description | | --- | -------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | Z02 | Auto Pipe Spec |

Automatically detects the pipe specification and jumps to A02 to display the result upon completion.
This function is identical to A01.

Automatically senses the pipe dimensions using patented technology and finds the closest matching pipe specification. If the pipe dimensions are not found in the database or have been altered due to deformation, the default pipe specification will be applied as the configured value.

| | Z03 |

Auto

Initialization

|

Automatically detects the ultrasonic sound velocity of the fluid under measurement to assist the flowmeter in completing the environmental parameter setup. Execute this function after Mechanical Installation, Electrical Installation, and Parameter Settings are complete.

This function begins execution only after pressing Start. Once executed, it automatically updates the A21 (Auto Initialization) setting.

| | Z04 |

Auto

Zero Offset

|

Recalibrates the flowmeter's zero point (0 flow), effectively resetting the flowmeter output to zero. During ultra-low flow measurements, setting the zero point helps correct zero-flow offset errors and improves measurement accuracy.

This function begins execution only after pressing Start. Once executed, it automatically updates the A22 (Auto Zero Offset) setting.

| | Z05 | Scale Factor |

Calibrates the flowmeter's measurement accuracy. When there is a systematic deviation between the displayed flow and the actual reference flow, the user can set a scale factor to allow the system to automatically correct the output.

This function multiplies the measured flow data by a fixed factor ranging from +0.001 to +1000, with a default value of +1.0. Once executed, it automatically updates the K03 (Scale Factor) setting.

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