how to test PEP when TWO tone signal input

hello

When sigle tone signal input PA,the PEP can be gotten from the SA.
When two tone signal iput PA,how to test PEP?
thanks!

Just add 3dB to the reading.

YES...When you test two tone cw, if you fix output average power X WATTS, the PEP should be 2X watts.

thanks!
That is to say,power meter can test exactly,isnot it?

Yes!

I am afraid if both the tones are not exited with equal power.

yes, should be equal.