Why and how to conduct a firmware update on REDSCAN LiDARs

Every REDSCAN LiDAR detector [AN1.1]relies on its firmware for detection accuracy and network communication, and, like any software, it benefits from regular updates. Over time, OPTEX releases new firmware versions to patch security vulnerabilities, fix bugs, and introduce performance improvements or new features.

Updating REDSCAN firmware is a straightforward process that can be carried out manually through the device's web interface. The process is identical across the entire REDSCAN range and the steps below will guide you through it. Once the update is installed, the device will restart automatically, so make sure you have disarmed the device to avoid any alarms triggered during the update.

Reasons for firmware update
Skipping firmware updates not only means missing out on the latest capabilities, but it can also leave devices vulnerable, reduce performance, and limit functionality. Here are the key reasons to keep firmware up to date:

Security vulnerabilities
One of the main reasons for issuing firmware updates is to address security vulnerabilities, fixing any loopholes or weaknesses that hackers could potentially exploit to gain unauthorised access or control over a device or system.

Performance improvements
Firmware updates often bring performance optimisations, tweaks, and new features that make a device run faster, smoother, and more efficiently. They also address bugs and glitches that can cause malfunctions or instability, so updating resolves these issues and improves the overall experience.

Compatibility and regulatory compliance
As new software applications or hardware devices are introduced, firmware updates may be necessary to ensure compatibility, helping devices work seamlessly with the latest technologies. Updates may also ensure devices comply with new regulations, safety standards, or industry certifications.

Firmware Update Failures

Successful firmware updates enhance device performance and security, but failures can happen, usually as a result of an interrupted connection, an incompatible file, or a step missed along the way. Here's what typically causes them and how to resolve each one:

•    Power interruption => Resolve by ensuring a stable, uninterrupted power source throughout the update.
•    Incompatible or corrupted firmware file => Resolve by confirming you've downloaded the correct file for your model and re-download from the official OPTEX website if needed.
•    Connection issues => Resolve by using a direct LAN connection between the device and your PC; avoid Wi-Fi or a shared network.
•    Incorrect installation procedure => Resolve by double-checking you've followed the steps above, in order.

Firmware updates are a small, routine piece of maintenance, but they play a real role in keeping your REDSCAN detectors [AN4.1]secure and performing at their best over the lifetime of the installation. Building a regular check into your maintenance schedule, rather than waiting for an issue to prompt it, is the easiest way to stay ahead of vulnerabilities and get the most out of every device in the field. If you run into any issues along the way, your local OPTEX tech team is always on hand to help.