Unplug the USB cable and cycle the AC power once to ensure a clean cold boot. 🔍 Post-Update Verification and Calibration
The screen should remain dark or display a dedicated "Update Mode" text block. Release the button. Step 3: Verify the COM Port Connection Right-click the Windows Start menu and open . Expand the Ports (COM & LPT) section. htrc t240 duo firmware update verified
Leave the power switch of the T240 and keep the AC power cord unplugged. Unplug the USB cable and cycle the AC
The inconsistency of whether the firmware update actually resolves the operational issues (such as ignoring stop-voltages) is the central issue. Without a dedicated verification process from the manufacturer, the T240 Duo's safety features might be compromised, putting your batteries and equipment at risk. htrc t240 duo firmware update verified