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Hello! I've read the user manual for the Topkodas PROGATE GSM controller and understand its functions. This device allows you to control outputs via SMS and free short calls, and you can configure it using SERA2 software. I'm ready to answer any questions you have about the features and setup described in the manual.
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How can I control the relay output initially?
How to control relay output with free short call?
What happens if I call from a different phone number?
How to configure the controller?
How can output be activated or deactivated by SMS?