请教均线交叉报警问题

您需要 登录 才可以下载或查看，没有帐号？注册 下了个均线交叉带箭头声音报警的指标,可以调均线类型的,本应是不错的东西,但这个声音报警经常响,没交叉都会响,麻烦哪位高手可以改一下本来是提醒作用，现在不停的响，像背景音乐一样，都不知道是谁在响了。
 //+------------------------------------------------------------------+
 //|                           EMA-Crossover_Signal.mq4 |
 //|       Copyright ?2005, Jason Robinson (jnrtrading)         |
 //|              http://www.jnrtading.co.uk               |
 //+------------------------------------------------------------------+
 
    
 #property copyright Copyright ?2005, Jason Robinson (jnrtrading)
 #property link      http://www.jnrtrading.co.uk
 
 #property indicator_chart_window
 #property indicator_buffers 2
 #property indicator_color1 LawnGreen
 #property indicator_color2 Red
 
 double CrossUp[];
 double CrossDown[];
 extern int FasterMode = 1; //0=sma, 1=ema, 2=smma, 3=lwma
 extern int FasterMA =    5;
 extern int SlowerMode = 1; //0=sma, 1=ema, 2=smma, 3=lwma
 extern int SlowerMA =    6;
 extern bool Voicealert = true;
 //+------------------------------------------------------------------+
 //| Custom indicator initialization function                  |
 //+------------------------------------------------------------------+
 int init()
    {
 //---- indicators
   SetIndexStyle(0, DRAW_ARROW, EMPTY);
   SetIndexArrow(0, 233);
   SetIndexBuffer(0, CrossUp);
   SetIndexStyle(1, DRAW_ARROW, EMPTY);
   SetIndexArrow(1, 234);
   SetIndexBuffer(1, CrossDown);
 //----
   return(0);
    }
 //+------------------------------------------------------------------+
 //| Custom indicator deinitialization function               |
 //+------------------------------------------------------------------+
 int deinit()
    {
 //----
 
 //----
   return(0);
    }
 //+------------------------------------------------------------------+
 //| Custom indicator iteration function                     |
 //+------------------------------------------------------------------+
 int start() {
   int limit, i, counter;
   double fasterMAnow, slowerMAnow, fasterMAprevious, slowerMAprevious, fasterMAafter, slowerMAafter;
   double Range, AvgRange;
   int counted_bars=IndicatorCounted();
 //---- check for possible errors
   if(counted_bars0) counted_bars--;
 
   limit=Bars-counted_bars;
   
   for(i = 0; i slowerMAafter))
     {
     
       CrossUp = Low - Range*0.5;
       if (Voicealert==true){
         alert( Moving Average has crossed up
       }
     }
     else if ((fasterMAnow slowerMAnow) (fasterMAprevious slowerMAprevious) (fasterMAafter slowerMAafter)) {
       CrossDown = High + Range*0.5;
       if (Voicealert==true){
         alert( Moving Average has crossed down
       }
     }
   }
   return(0);
 }
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