def METHOD_NAME(self, chname):
    channel = self.fv.get_channel_on_demand(chname)
    viewer = channel.viewer
    # PassThruRGBMapper does not do any RGB mapping
    rgbmap = RGBMap.PassThruRGBMapper(self.logger)
    viewer.set_rgbmap(rgbmap)
    # Clip cuts assumes data does not need to be scaled in cut levels--
    # only clipped
    viewer.set_autocuts(AutoCuts.Clip(logger=self.logger))
    return channel