> 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/fp-as310-english-v5/parameters/d-alarm-and-info/d13-pulseoverlap.md).

# D13 PulseOverlap

### Definition

Set the flow meter’s alarm mode for overlapping output signals caused by an excessively long [E03 Pulse Width](/qr/fp-as310-english-v5/parameters/e-commute/e-commute-fp-as310a/e03-pulse-width.md). The alarm code belongs to Alarm – B.

### Notes

{% hint style="info" %}

### DND Mode

When **Do Not Disturb (DND) mode** is enabled:

* The flow meter detects abnormal conditions but the red backlight will not turn on.\
  \&#xNAN;*Example:* Alarm-A “Paddle wheel abnormality” will not trigger the backlight in DND mode.
* Abnormal conditions are still displayed on the **Status/Alarm page**.
* If connected via RS485, the monitoring system still receives the alarm signal.
* OCT alarm outputs continue to operate if configured.
  {% endhint %}

### 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>

```
D13 PulseOverlap 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 D14 PulseOverlap, 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).
```

### D13 Options, RS485 Values, Read/Write Commands, and Formats

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


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://docs.lorric.com/qr/fp-as310-english-v5/parameters/d-alarm-and-info/d13-pulseoverlap.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.