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Military

RECEIVING AN ELECTRONIC REMOTE FILL

SINCGARS can receive FH data from a remote station. This data can be transmitted to the RT from a distant station, such as the net control station (NCS). The electronic remote fill (ERF) allows the RT's internal clock to synchronize with the other radios operating in the net. See Figure 4-13. The steps for requesting and receiving an ERF are as follows--

  • Set COMSEC device to plain or clear.
  • Set RT CHAN to CUE.
  • Set RF to HI or PA. Key handset and call NCS.
  • When NCS responds, follow their instructions.
  • Set FCTN to LD.
  • Set MODE to FH.
  • Set CHAN to MAN. Display will show "COLD."
  • Wait for NCS to transmit ERF.
  • Upon receiving an ERF, press STO; then enter the channel number (on keypad) where it is to be stored.
  • Acknowledge reception of ERF to NCS.
  • Set CHAN to channel where hopset was stored.
  • Set FCTN to ON.

NOTE: Precautionary measures must be taken to ensure that the KY-57 VINSON is loaded with a COMSEC trunk encryption key (TEK) from a KYK-13 or KYX-15 and not mismatched with the transmission security key (TSK) loaded from an ECCM fill device.

See FM 11-32 for more information on this subject.

Figure 4-13. Receiving an ERF.

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