@classmethod
def can_translate(cls, header, filename=None):
    """Indicate whether this translation class can translate the
        supplied header.

        Checks the INSTRUME and FILTER headers.

        Parameters
        ----------
        header : `dict`-like
            Header to convert to standardized form.
        filename : `str`, optional
            Name of file being translated.

        Returns
        -------
        can : `bool`
            `True` if the header is recognized by this class. `False`
            otherwise.
        """
    if 'INSTRUME' in header:
        via_instrume = super().can_translate(header, filename=filename)
        if via_instrume:
            return via_instrume
    if cls.is_keyword_defined(header, 'FILTER') and 'DECam' in header['FILTER'
        ]:
        return True
    return False
