[amibroker] Plot ATR for backtest - Unable to see the plot

["srengret" <lechols@xxxxxxxxxxxxxx>]

I'm using Amibroker 5.10.
I'm writing code to set a trailing stop at 3* ATR.  I'm trying to plot 3 *ATR as a line to see this, yet I'm unable to plot it after checking references and modifying the code. 
The code worked fine using the ApplyStop for a 7% trailing stop.  I commented it out to use the 3*ATR.  Also, green buy arrows and red sell arrows showed okay. 
I imagine I've overlooked something obvious - maybe it is positioning of the 3*ATR line.  I just don't know. 
I used a purchase of PZT (Powershares ETF) on 9/11/2008 as a check to see the line, but it didn't show. 
Would someone look at the code below and tell me what is wrong with it? 

Buy = 
C > 5.0 AND 
ROC(C,10) > 0 AND
PDI(10) > MDI(10) AND 
ADX(10)>22 AND
C > EMA(C,10) AND
EMA(C,10) > EMA(C,20);

Sell=0;
//Trailing Stop at 7% Loss
//ApplyStop(2,1,7,1,False,1);
//Equity(1,0);  //ThIS EVALUATES STOPS
//Plot(Sell==4,"ApplyStop Sell",colorRed,4|styleOwnScale);//4 is for trailing stops
//Sell  = 1.10*Buy;

//Using ATR 
ApplyStop(2,2,3*ATR(10), 1, False,1) ;
Equity(1,0);  //ThIS EVALUATES STOPS
Plot(Sell==4,"ApplyStop Sell",colorRed,4|styleOwnScale);//4 is for trailing stops

//Plot ATR
Plot (C-(3*(ATR(10))), "c-3*ATR(10)", colorDarkGreen);

Thanks.



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