# Return Characters on X-Ctu  not correct

**URL:** <https://forums.digi.com/t/return-characters-on-x-ctu-not-correct/1583>\
**Category:** XBee - 802.15.4\
**Created:** [October 1, 2010, 3:42am UTC](https://forums.digi.com/t/return-characters-on-x-ctu-not-correct/1583 "2010-10-01T03:42:19Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Redwire](https://avatars.discourse-cdn.com/v4/letter/r/8c91f0/32.png) [@Redwire](https://forums.digi.com/u/Redwire)\
**Post date:** [October 1, 2010, 3:42am UTC](https://forums.digi.com/t/return-characters-on-x-ctu-not-correct/1583/1 "2010-10-01T03:42:19Z")

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I have two Series 1 Xbees. One connected to the computer the other to the Liquidware slide. I set up both xbees and used the latest Firmware 10E8, with both bees running at 4800 baud. Using X-Ctu, I get a good connection (on the PC settings page) with the one set up on the computer (coordinator). The other is programmend as the end and the RSSI lights up when a character is sent.  
I can send a single character “c” from X-Ctu terminal to the Slide and the Slide will respond with a programmed blink only when that character is sent so I know the proper character is received. However, when I press a button on the slide to send a character back to the X-Ctu, I get red dots and changing hex characters each time I press. The RSSI does not light up when I try to transmit back to XCtu. How can I determine if the problem is the X-bee set up or the Slide? Can I short the Din Dout pin on the end xbee to check?