Equipment Setup/Operation. Assemble and install the radio set and VFMED individually per applicable technical
manuals. Perform Preventive Maintenance Checks and Services (PMCS) and/or Built-In-Test (BIT) functions.
Load all frequencies, hopsets, and variables into the radio set and establish voice communications before
connecting the VFMED to the radio set. Once voice communication has been established, connect the VFMED as
described in the following paragraph.
5. Cabling Instructions. The following figure illustrates the typical configuration for the connection between the radio set
and the VFMED.
Connect W4 cable from RT AUD/DATA connector to mounting adapter DATA A J5 connector.
Connect VFMED data cable to mounting adapter AUD/DATA connector A J3.
Connect handset H-250/U to RT AUD/FILL connector.
Figure shows VFMED connected to lower radio (RT-A).
VFMED may be connected to upper radio (RT-B) if desired.
Figure 1. Cabling for VFMED to SINCGARS Radio Set