What is enable max deviation from quoted price?

Hello every1.. just need some help with using mt4.
On clicking on new order.. what is enable max deviation from quoted price and, how can i put my sl and tp by pips from my entry instead of puting the number.. meaning if i want when entering an order to put sl 30 and tp 60 instead of puting in the price..

you would need a script for that.
PM me.

Here is my script for trading:

Hi oksana.
i am wale, i just wanted to know if u can help me with the meaning of maximum deviation from quoted price, also i have been lossing alot in this forex this i have tried alot of custom and the lagging indicators but i still loose money...i try to read trend..but on the long run it wont work...i want to to please help me also if u could give me a successful indicator at least i will really appreciate it.... u can also email me direct at [email protected] i will look forward to a respond..back...

How can I enable "Enable maximum deviation from quoted price" option while I'm using One Click tool in chart. Please advice. Moreover explain about "OpenWithMagic2.mq4" this.

If you use the ea/script or whatever this is you have to change the slippage-parameter.

but how dose it works "Enable maximum deviation from quoted price"

slippage is the maximum allowed deviation of the requested order open price from the market price for market orders (points). This parameter is not processed for placing of pending orders.
source: http://book.mql4.com/trading/ordersend

would you please explain the benefit and disadvantage.... please

benefit: slippage=0 / disadvantage: slippage=500

Think with slippage of 500 you should be ...