Arduino + Xbee + Sensor Communicate to Xbee + PC Problem

Projects Networking, Protocols, and Devices
6

My MY setting is 0

MY on one must be DL on the other.

please tell me which xbee should be setting the MY on one must be DL on the other?(Arduino side/Laptop side)?

i don't know my problem is due to Wrong Xbee setting or program??