1. SECURE COMMUNICATIONS Updated Jan09 UNCLASSIFIED

2. SECURE COMMUNICATIONS Necessary for tactical operations Provided through KY-58 for FM-1, FM-2, and UHF (Have Quick) KY-58 provides voice encryption FM-1, FM-2, and UHF (Have Quick) provide frequency hopping capabilities Together they provide SECURE COMMS

3. THE SETUP CLoad the KY-58 with comsec data from an ANCD –zero KY-58 –power up ANCD and select RADIO –select SEND –select ABN –YES load comsec to a KY-58 –connect ANCD to KY-58 or remote fill panel and follow instructions –when complete, set KY-58 mode switches to C and OP and key radio… you should hear a beep

4. THE SETUP CONT’ Load Frequency Hopping (FH) data from an ANCD to an FM radio –power up ANCD and select RADIO –select SEND –select RADIO –select ABN –NO for loading comsec data into KY-58 –YES for loading airborne radio –connect ANCD and follow instructions –after completion of FH data load, set time

5. SET TIME Set time for FREQUENCY HOPPING on FM-1 or FM-2 –function selector to LOAD –mode selector to [FH-M] –press TIME –press CLEAR –input last two numbers of Julian Date –press STO –press TIME –press CLR –input upcoming ZULU TIME and on mark press STO –press TIME –ensure time is within FOUR SECONDS of hack in order to freq hop –set switches to operational configuration

6. SYNCING TIME You can sync your clock with the net if it off by more than four but less than 60 seconds –function selector to LOAD –press SYNC (note LFXXX displayed in window) –wait for some one to transmit If your clock is off by more 60 seconds then reset clock manually

7. REMOTE FILL PANEL --GPS UHF-- ---FM2--- ---FM1--- ----TRANSEC / HOPSET---- SA / AS -----------------------KY-58 COMSEC--------------------------- LOCATED ON LOWER CENTER CONSOLE ON PILOT’S SIDE ALLOWS SINGLE CREW MEMBER TO LOAD COMSEC VARIABLES INTO EACH OF THE THREE KY-58’s AS WELL AS FH DATA INTO THE FM RADIOS