# E07 4mA Value

### Definition

Sets the value corresponding to **4 mA** on the flow meter. Both positive and negative values are allowed. Default: **0**.

### Notes

The 4 mA value must be less than the 20 mA value.

### Operation Procedure

<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>

```
E07 4mA Value Setting Steps
• From the main screen(green backlight), 
  press Orange Button(Setup) to enter settings (orange backlight).
• Use Gray Arrow Buttons to select E. Commute , press Orange Button(Enter).
• Use Gray Arrow Buttons to select E07 4mA Value, 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(Set) to confirm each digit; repeat for other digits as needed.
• After all digits are set, press Blue Button(Save).
• Confirm by pressing Orange Button(Save) (or Blue Button(NOT) to cancel).
• Press Blue Button(ESC) to return to the main screen(green backlight).
```

### E07 Options, RS485 Values, Read/Write Commands, and Formats

| Parameter Input Range | Corresponding Values | RS-485 Value |
| --------------------- | -------------------- | ------------ |
| Default               | 0                    | -            |
| Minimum               | -100000              | -            |
| Maximum               | 100000               | -            |


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