# Firmware update date and version function description

**New Version: 1.2.8**

**Date**: 2024/08/29\
**Improvements**:

* Resolved bug related to **mid-little endian** data format processing.

***

**New Version: 1.2.7**

**Date**: 2024/07\
**Improvements**:

* Corrected storage issues with **temperature calibration parameters**.
* Fixed display unit inconsistencies in **heat data output**.

***

**New Version: 1.2.6**

**Date**: 2024/07\
**Improvements**:

* Added support for **Modbus RTU function code 04**, enabling single-register read commands.
* Introduced functionality for **heat energy calculation, communication, and display**.
* Implemented a new **temperature calibration feature**.

***

**New Version: 1.2.5**

**Date**: 2024/05\
**Improvements**:

* Enhanced **Modbus RTU endian format options**, adding support for **mid-little endian** and **mid-big endian** configurations.

***

**New Version: 1.2.4**

**Date**: 2024/04\
**Improvements**:

* Introduced new **Modbus RTU endian configuration**, including **little endian** format.
* Added **Modbus RTU byte format settings**, providing greater flexibility in data structuring.

***

**New Version: 1.2.3**

**Date**: 2024/01\
**Improvements**:

* Removed support for RS485 baud rates of **300 bps** and **600 bps**.
* Added RS485 baud rate options for **38,400 bps** and **57,600 bps** to accommodate modern communication demands.

***

**New Version: 1.2.2**

**Date**: 2023/06\
**Improvements**:

* Introduced **Modbus function code 1602**, enabling RS485 to return **temperature readings**.


---

# Agent Instructions: 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/fu-tx310-ultrasonic-flowmeter-manual-en-v3/firmware-update-date-and-version-function-description.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.