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Version 1.73 Copyright © 1997 Link Communications Inc. 1/18/97
port set wrong - try all the settings. Then check your cable again. If you still can't get it to
echo, unhook the cable from the computer and try shorting pins 2 and 3 together on the serial
port right at the computer, eliminating the cable as a possible problem. Again, you should see
whatever you type appear on the screen. If you don't, the problem is in the computer or how
you have the comm program set up. Once you get it to echo with the jumper wire at the
computer, hook up the cable to the computer and try the jumper wire at the other end of the
cable. If that doesn't work, the problem is in the cable. Finally hook the cable back up to the
controller and try again. If the characters echo but don't work, you may be in 7 bit mode rather
than 8 bit mode. If all else fails, write down how your cable is wired and call Link
Communications for help. After you get it working, see Appendix F for information about
controlling from the serial port.
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