Headset / Headphone / Microphone Connections
The Headset and Panel Mic connectors may be used in a variety of talk/listen config-
urations:
●
To use a dynamic-mic headset or dynamic, telephone-style handset for talk and
listen, connect it to the Headset connector.
●
To use headphones for listening and a panel microphone for talkback, connect
the headphones to the Headset connector and connect the microphone to the
Panel Mic connector.
●
To use a handheld dynamic microphone for talkback and the internal speaker for
listening, connect the microphone to the Headset connector.
●
To use a panel microphone for talkback and the internal speaker for listening,
connect the microphone to the Panel Mic connector.
☞
For Headset and Panel Mic connector specifications, see page
24
. For best re-
sults in noisy environments, a noise canceling (directional or cardioid) micro-
phone is highly recommended.
☞
If you are connecting a headset, telephone handset, or handheld dynamic micro-
phone, make sure that DIP switch 4 is properly set for either balanced or unbal-
anced microphone. See "Dynamic Microphone Type Selection", page
9
.
☞
To connect a Telex model EGM-12N or EGM-18N panel microphone, line up
the arrow on the top of the microphone with the top of the connector on the in-
tercom station.
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