def METHOD_NAME(self, count_sec, filename, adjust_transmission=True):
    """Sends start command"""
    try:
        self.cmd_spectrum_start((count_sec, adjust_transmission))
    except Exception:
        logging.getLogger().exception("XRFSpectrum: problem in starting spectrum")
        self.emit(
            "xrfSpectrumStatusChanged", ("Error problem in starting spectrum",)
        )
        self.spectrum_command_aborted()