def _peImageDisplay(overlay, overlayList, displayCtx):
    """Automatically configure display settings for the given PE/COPE
    :class:`.Image` overlay.
    """
    opts = displayCtx.getOpts(overlay)
    opts.cmap = 'Red-Yellow'
    opts.negativeCmap = 'Blue-LightBlue'
    opts.useNegativeCmap = True
    opts.displayRange = [1.0, 100.0]
    opts.clippingRange = [1.0, overlay.dataRange[1]]
