@DictFeat(None, keys=CHANNELS)
    def powerdb(self, channel, value):
        self.send("L{}D{}".format(channel, value))
A version of ``Thumbnailer.get_thumbnail_name`` that produces a
dataset/ETHPy150Open LabPy/lantz/lantz/drivers/legacy/aa/aotf.py/MDSnC.powerdb--crossover with--dataset/ETHPy150Open divio/django-filer/filer/utils/filer_easy_thumbnails.py/ThumbnailerNameMixin.get_thumbnail_name