Interfacing with auxiliary audio equipment, 5 interfacing with auxiliary audio equipment – Clear-Com HME DX210 User Manual

Page 17

IC1 and IC2 Intercom Controls and Indicator Lights:

The IC1 portion of this area of the panel is for Intercom Channel 1, and the IC2 portion is for Intercom
Channel 2. Their operation is identical.

●

The SELECT button is used to select 2-Wire or 4-Wire or both.

●

The 2-W indicator light will come on red (muted) if wired intercom power is not detected at the
2-W connector on the rear panel of the base station. The 2-W indicator light will come on green if
2-W equipment which supplies power is plugged into the 2-W connector on the rear panel of the base
station, or if the respective bypass jumper inside the unit has been set.

●

The INPUT controls are used to adjust the audio levels going to COMMUNICATOR

s or a local

headset, coming in from 2-W and 4-W equipment connected to the base station.

●

The OUTPUT controls are used to adjust the audio levels coming in from Communicators or a local
headset, as it goes out to 2-W and 4-W equipment connected to the base station.

●

The AUTO NULL button is used to eliminate echo caused by mismatched line characteristics of an
external 2-W system. CAUTION: Before pressing the AUTO NULL button, be sure there are no
open microphones on the wired system.
the

button for 2 seconds.

Use a pen or similar pointed object to press and hold

AUTO NULL

NOTE: If you are not connecting other equipment, go on to

System Operation, section 3, page 13.

2.5 Interfacing with Auxiliary Audio Equipment

ISO Audio can be routed to the AUX OUT connector for page or stage announce.

If using auxiliary audio equipment such as another intercom, a CD player, etc., connect its output
cable connector (male) to the

●

AUX IN connector (#48), and/or its input cable connector (female) to

e AUX OUT connector (#49).

e following pin connections:

Pin 3 = Audio –

th

The cable connectors must be 3-

XLR type for balanced +20dBu

Pin 1 = Ground

maximum audio input/output, wi

Pin 2 = Audio +

48 49

ase station rear panel

8 9 10 11 12 13 14 15

Base station front panel

Clear-Com HME DX210 System Guide