AT&T System 85 manual Speakerphone Listen and Speak Feature, Speaker Listen-only Feature

7407D, Enhanced 7407D, and 7407 Plus Voice Terminals

Speakerphone (Listen and Speak) Feature

The 7407D, Enhanced 7407D, and 7407 Plus voice terminals are equipped with a built in speak- erphone. The Speakerphone capability allows a user to engage in a hands-free 2-way conversa- tion with the far-end party. The speakerphone can be turned off or on (use the SPEAKER- PHONE button on the 7407D, the SPEAKER button on the Enhanced 7407D, and the SPEAKER/RESET SPKR button on the 7407 Plus), can be muted (use the MICROPHONE but- ton on the 7407D; use the MUTE button on the Enhanced 7407D and 7407 Plus), and the speak- erphone volume can be controlled, on the 7407D, with a slide switch, or on the Enhanced 7407D and 7407 Plus, with the VOLUME ‘‘arrow’’ button.

The 7407 Plus (7407D02D) voice terminal has an S201A-type speakerphone which allows the user to adjust the speakerphone for optimal performance. By pressing the SELECT button and then the SPEAKER/RESET SPKR button (if the voice terminal is set for the Speakerphone feature), the user hears a set of tones as the speakerphone performs an acoustic test of the environment. When the tones stop, the speakerphone has finished adjusting itself and is ready for use. The user should reset the speakerphone whenever the voice terminal is moved to another place (even in the same room), whenever the green light next to the SPEAKER/RESET SPKR button is fluttering, and in the unlikely event that the speakerphone is making a squealing sound.

Speaker (Listen-only) Feature

The 7407 Plus voice terminal can be optioned for the Speakerphone (listen and speak) or the Speaker (listen-only) feature. The Enhanced 7407D voice terminal can be set for the Speaker- phone or the Spokesman feature. (With the latter feature, the user can use the speaker and the handset simultaneously). In order to turn on and off the speaker, use the SPEAKER button on the Enhanced 7407D, or the SPEAKER/RESET SPKR button on the 7407 Plus.

The Speaker (listen-only) and Spokesman capability allows a user to engage in a one-way conversation with the far-end. Specifically, the user can only listen to the far-end; the user is not able to transmit his voice over the speaker. To speak with the far-end, the user must use the handset.

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