I have inherited a Data I/O Series 22 programmer that seems to work. I tried the remote ( serial link 9600 baud ) capabilities and while I can download RAM contents **, I cannot get the remote features to work. Not having a user manual might be the problem. Has anyone used this magnificent module in the past ? ** enabled locally at the keyboard of the Series 22 Gus S Calabrese Denver, CO 720 222 1309 303 908 7716 cell Please include and do not limit yourself to "spam2006". I allow everything with "spam2006" in the subject or text to pass my spam filters. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist