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: "Gemel Txshs" is most likely a typographical corruption of a legitimate product name such as "Gemini TXS-HS," "Gemel T-XSH (Transmitter X-band Serial Hub)," or a fictional asset tag.
Press Button 2 (the smooth button). Indicators will flash once.
For issues not covered here, Gemel support engineers are available 24/7 via the official portal. When contacting support, always provide:
The casing usually features a snap-fit or screw-secured back panel to allow for battery replacement.