Chapter 3. OPERATING INSTRUCTIONS

TM 32-5895-227-14&P

CHAPTER 3

OPERATING INSTRUCTIONS

Section I. CONTROLS AND INSTRUMENTS

correspond to tables 3-1 through 3-5.

Equipment

3-1 OPERATOR/CREW CONTROLS. Tables 3-1

covered in other manuals is listed below.

through 3-5 list the controls for each of the components

peculiar to the Communications Central AN/MSQ-71

baseline configuration.

Figures 3-1 through 3-5

Manuals

Equipment

TM 11-5820-358-35

Radio Receiver R-390A/URR

NAVSHIPS 94490

Antenna Coupler CU-872A/U

TM tl-5815-206-12

Teletypewriter Set AN/TGC-14

Table 3-1. Operator/Crew Controls, Telephone Set TA-676/G

Control

Description

Function

TA-676/G (STANDARD)

Wall plug

Serves as on/off switch.

Any MON switch

Pushbutton

Serves as power indicator. Lights when pushed.

CCC switch

Alternate action pushbutton.

Push to call or to answer. Completes circuit between

CCC and telephone set. Button (and CCC) light

blinks when pushed to call. Button (and CCC)

light is steady and telephone set microphone and

receiver are connected to CCC intercom line, when

pushed, to answer.

Push a second time to disconnect. Both parties must

push to disconnect. Button (and CCC) light blinks

if only one party disconnects.

RICS switch

Alternate action pushbutton.

Push to call or to answer.

MON 1 switch

Alternate action pushbutton.

Push on. Button lights. Connects telephone set line

No. 1 receptacle to system monitor line.

Push off. Button light out. Disconnects telephone

set line No. I receptacle from system monitor line.

MON 2 switch

Alternate action pushbutton.

Push on. Button lights. Connects telephone set line

No. 2 receptacle to system monitor line.

Push off. Button light out. Disconnects telephone

set line No. 2 receptacle from system monitor line.

3-1