KOI-18 Key Tape Reader

The KOI-18 is a battery operated Key Tape Reader that converts physical key tape into an electronic format for use in the KYK-13, KYX-15, and the AN/CYZ-10 devices.  It is capable of accepting both paper and mylar tapes.  The KOl-18 has no storage capability.
This general purpose tape reader reads eight level punched paper tape and produces keys that can be tansferred to other COMSEC devices. (Photo by Ralph Simpson).
KOI-18 functions explained. (Graphic courtesy U.S. Army)

Credits and References:

1) TM 11-5810-292-13&P
2) Ralph Simpson <ralphenator(at)gmail.com>

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Apr 11/12