send data between xbee s2 series in API mode

sorry… i want to ask…
how to print data ony without print the acknowledgment between xbee s2 in API mode???
please help me,

how about the sketch…

thx very much

If you are using API mode you can either set the Frame ID to 00 or set the option bit to 01.

where is it in xctu?? SB, NB or etc?

It is not an AT command. It is part of the API frame I was referring to that you assemble.