help help help please

! recently bought a chainsaw, and i accidently threw away the manuel with the box.

and i dont no the corredt oil and petrol settings

1 with petrol symbol and oil symbol

and 1 with just oil symbol

and i need to know, if it i put two stroke oil in with the petrol a mixture of say 40:1
and what would i ut in the other 1?

please help i need to do some gardening tomorow

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did it blow up ??

 

 

be carefull we dont want any