Objective - SS0721A0004

EVALUATE THE OPERATION OF

INTERCOMMUNICATIONS SET AN/VIC-1(V)

OBJECTIVE

Upon completion of this lesson, you will be able to accurately evaluate the performance of an

intercommunication set AN/VIC-1(V) and accurately record the results of the evaluation on a DA Form

2404 (Equipment Inspection Maintenance Worksheet).

REFERENCES

This lesson is based on performance measures outlined in STP 11-31V12, dated May 1987; information

in TM 11-5830-340-12, Chapters 1, 2, and 4, dated January 1986; and GTA 11-3-49, dated December

1986. However, development and progress render the text continually subject to change; therefore, base

your examination answers on material presented in this subcourse rather than on individual or unit

experience.

INTRODUCTION.

An operational check (op check) is normally done with the

intercommunication set AN/VIC-1(V) installed in a vehicle. As a minimum, the op check is done as

part of the PMCS. At the discretion of the maintenance supervisor, the op check could be done more

often than the scheduled PMCS. After every repair of an item of equipment, the portion of the op check

that applies to that item of equipment should be done again to ensure that the fault found has been

corrected and that no other faults exist.

INTERCOMMUNICATION SET AN/VIC-1(V).

a. The intercommunication set AN/VIC-1(V) provides voice communications between crew

members and also allows crew members to control and use the radio set that is installed with some

systems.

b. The intercom may be installed in various types of combat (tracked) vehicles. The intercom is

part of the installed electronic installation harness of combat vehicles and part of the installation kit

when installed in tactical (wheeled) vehicles.

c. Accessory kits for the intercom consist of items such as audio accessories, installation

instructions, technical manuals, and other miscellaneous parts. Accessory kits are readily installed in

and removed from combat (tracked) vehicles only.

d. The basic components of the intercom set are the amplifier, audio frequency AM-1780

(which is the heart of the intercom); the crew member control box C-2298; the crew member

interconnect cable CX-4723; and a power cable CX-4720 or CX-13089.

e. See Figure 1. The intercom set AN/VIC-1(V) is a highly versatile piece of equipment that

can be used alone or with FM radios.