A vehicular intercom system ( VIS ) that enables communication on each of the four combat radio nets from each crew positions is required in the MAV-FSV . The VIS permits each of the operating stations to selectively monitor the intercommunications system and any combination of four radio receivers, while selectively transmitting on any of the radio transmitters in addition to the intercommunications system.
32.
During the battle, Lieutenant Zvika Greengold, who had arrived unattached to any unit, fought off attacks with his single tank until help arrived . " For the next 20 hours, Zvika Force, as he came to be known on the radio net, fought running battles with Syrian tanks sometimes alone, sometimes as part of a larger unit, changing tanks half a dozen times as they were knocked out.