00000TM 11-5895-1412-12&PMake sure the routine checks are done on the following items(refer to TM 11-5820-890-10-1 for more information):1.Antennas.2,Cables and cable connectors.3.Controls and switches.4.Mounting and assembly hardware.Check battery life condition (refer to TM 11-5820-890-10-1).If FCTN is at OFF, move it to STBY; then move it to SQ ON.Check required load.(Do you have the correct hopsets, lockout sets,COMSEC keys, cold start TSK, CUE frequency and MAN frequency?)Stand by for net opening (the NCS contacts you). Make sure you canestablish communication on each net you are operating in.NET OPENINGYour rt needs special data to operate in a frequency hopping (FH) mode. Netopening is the procedure for loading this data. Always keep in mind that yourNCS directs net opening and that you must listen to his commands carefully.There are two procedures for net opening: (1) cold start net opening and (2)time hack net opening.The NCS will tell you which one to use. If Net is tobe opened in CT, refer to the BASIC COMSEC PROCEDURES in this section (pagesJ-n to J-13.COLD START NET OPENINGNOTE: The following steps are designed for net members. Detailed NCSprocedures are provided in manual TM 11-5820-890-10-1 Chapter 4.BEFORE OPERATIONa.Make sure that your rt has FH data loaded (the NCS has the same dataloaded in his rt):OOOOOOCold start TSK in channel 1 or MAN channel (automaticallyloaded into MAN channel when hopset is loaded into channel1).Lockout set(s), if needed.Hopset(s).If display shows “L7” or “L8”, you are missingb.Setc.Setmandatory lockout set(s)MAN channel frequency.CUE channel frequency.Load TEK and KEK as requiCOMSEC keys are requiredCOMSEC key used defaultsred (BASIC COMSEC PROCEDURES). Ifand MAN channel is being used, theto TEKDURINGFCTN to SQ ON, then to LD.COMSEC to CT (if required).in channel 5.OPERATIONJ-3
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