
The Icom RC-10 is a keypad for direct frequency input on the IC-751, IC-751A, as well as a couple of the Icom receivers of the same era. Although the RC-10 doesn't add a lot of operating convenience, blind operators find the unit indispensable for radio operation.
Some IC-751A links from Jim, WA6PX, JGShaw@Alumni.HAAS.org, via the Icom mailing list. Subscribe at http://mailman.qth.net/mailman/listinfo/icom.
http://www.sweb.cz/ok1fig/ic751a.htm
http://www.qsl.net/ab4oj/icom/751a_pbt.html
http://www.icomamerica.com/support/documents/ram_card.html
http://www.icomamerica.com/support/troubleshooting/ic-751_751a.html
http://www.piexx.com/cgi-bin/piexx.cgi?p=ICOMProm&cart_id=1452031.27134
http://www.qsl.net/ab4oj/icom/icom.html#IC751A
http://www.angelfire.com/biz2/mts/updates.html
http://www.piexx.com/cgi-bin/piexx.cgi?p=ux14&cart_id=4031494.24744
http://www.mods.dk/mods.php3?model=ic-751&radio=icom