def METHOD_NAME(dev):
    """
    Turn off scanning modes on this device.
    CLI Example:
    .. code-block:: bash
        salt '*' bluetooth.noscan hci0
    """
    if dev not in address_():
        raise CommandExecutionError("Invalid dev passed to bluetooth.noscan")
    cmd = "hciconfig {} noscan".format(dev)
    __salt__["cmd.run"](cmd).splitlines()
    cmd = "hciconfig {}".format(dev)
    out = __salt__["cmd.run"](cmd)
    if "SCAN" in out:
        return False
    return True