LOADING SECURE DEVICE
The KY-57 VINSON is an auxiliary device used to secure
radio transmissions from the AN/VRC-12 series radios and
the non-ICOM SINCGARS sets. See Figure 4-11. To
encrypt transmissions, it must be loaded with a COMSEC
trunk encryption key (TEK) from a KYK-13 or KYX-15.
The procedure for loading the KY-57 is as follows--
- Connect the KY-57 to the radio set.
- Set the KY-57 to C and fill register to a numbered
position/ALL.
- Turn KY-57 power to ON (COMSEC alarm is heard).
- Press the handset push-to-talk button twice (COMSEC
alarm clears to a steady tone).
- Set KY-57 mode to LD.
- Connect KYK-13 to KY-57 using fill cable.
- Turn KYK-13 to ON and fill register to a numbered
position.
- Press the handset push-to-talk, and a beep is heard
and the KYK-13 lamp blinks.
- Turn KYK-13 OFF and disconnect from the KY-57.
- Set the KY-57 MODE to C.
NOTE: The Automatic Net Control Device (AN/CZY-10) will replace the KYK-13, KYX-15, MX-18290, and MX-10579.
Continue with Chapter 4
Table of Contents
Index
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