Figure 15. DA Form 2404.

4.

OP CHECK FOR INTERCOMMUNICATION SET AN/VIC-1 WITHOUT RADIO.

a. Refer to GTA 11-3-49, December 1986. This graphic training aid (GTA) is a systems check

which provides a step-by-step procedure for evaluating the performance of intercommunication set

AN/VIC-1 (without radio). It specifies the procedure to be used to evaluate the operational state of the

intercom set components and/or items of equipment within the system.

b. This op check is divided into two sections. Section I lists specific preparatory actions that

establish a starting condition. Section II is the equipment performance checklist (EPC). The EPC steps

are specifically arranged and must be done in the order presented. Each step checks a specific function.

It tells you the action you must take to check that function and the normal

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