Xbee Communication - Receiving some strange characters

azuratx:
In settings you can see SH and SL numbers.

To Receiver DH write Transmitter SH, and to Receiver DL write Transmitter SL.

To Transmitter DH write Receiver SH, and to Transmitter DL write Receiver SH.

I think there is something wrong. Shouldn't I write to transmitter DL the receiver SL?