- Collect a screwdriver, USB cable, and a Windows computer with HQ installed.
- Power on the ST-33Q+.
- Connect the USB cable to your computer, open HQ, select Updates, select Update Software for Device, select the ST-33Q+, and click update.
- Use a screwdriver to remove the plate covering the USB connector.
- Connect the USB cable to your ST-33Q+.
- Click next to start copying the update.
- When the software is copied successfully, click next to continue.
- Disconnect the USB cable from your ST-33Q+.
- Remove all power sources, including any batteries located in the internal compartments.
- Reconnect the power source to the ST-33Q+.
- Power on the ST-33Q+.
- Connect the USB cable to your ST-33Q+
- Check to ensure update was completed successfully.