help me!!

wsb2010

我matlab版本为7.1
在Matlab命令窗口下敲入
bdclose all; set_param(0, 'CharacterEncoding', 'ISO-8859-1')，没效果。
用记事本没发现有中文字符。
报错为：
Warning: Loading model 'NCO' generated with a newer version (6.4) of Simulink.
> In general\private\openmdl at 13
  In open at 141
  In uiopen at 181
请大家帮帮忙吧！先谢了。(带有附件,大家可打开看看)

wsb2010

对不起，附件传错了。不过这个cppll.mdl的也打不开！
报错为：Warning: Loading model 'cppll' generated with a newer version (6.6) of Simulink.
> In general\private\openmdl at 13
  In open at 141
  In uiopen at 181
Warning: cppll.mdl, line 58: block_diagram does not have a parameter named 'AccelVerboseBuild'.
> In general\private\openmdl at 13
  In open at 141
  In uiopen at 181
Warning: cppll.mdl, line 452: This model contains objects of class 'hdlcoderui.hdlcc' that can not be instantiated. If you save this model, the information associated with these objects will be lost.
> In general\private\openmdl at 13
  In open at 141
  In uiopen at 181