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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _check_instrument(self):
 """Check and try fix instrument name if needed"""

        instr = INSTRUMENTS.get(self.platform_name, self.instrument.lower())
        if instr != self.instrument.lower():
            self.instrument = instr
            LOG.warning("Inconsistent instrument/satellite input - " +
                        "instrument set to %s", self.instrument)

        self.instrument = self.instrument.lower().replace('/', '')