Specifications

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INTERCOM LINE CONNECTIONS – 4W MODE
The base station includes 2x (EF-202) / 4x (EF-204) intercom lines. Each line
comprises two connectors for gender convenience: one XLR3 male and one XLR3 female
internally paralleled. Intercom line is defined as 2 wire mode (2W) enabling direct
connection to similar 2W intercom equipments.
To connect with 4-wire (4W) equipments, we recommend the use of an Altair 4W2-200
interface per intercom line (channel). However, you can set the channel A in 4W mode by
following the next steps:
 Insert the (4W-IN) input signal in the program input connector .
 Enable the input program in the correspondent channel (see section: BASE
STATION INTERNAL ADJUSTMENT SETTINGS).
 Adjust the input program level and press the program input on button to
activate the program input.
 Adjust the null control of the corresponding channel to cancel the microphone in
the headset and speaker .
 Enable the internal configuration PARTY LINE TO PA/SA OUT (see section: BASE
STATION INTERNAL ADJUSTMENT SETTINGS).
 Disable the internal configuration PROGRAM IN TO PA/SA OUT (see section: BASE
STATION INTERNAL ADJUSTMENT SETTINGS).
 If you want to transmit also the base station operator microphone to 4W output,
press the PA activation button and enable Pa out KEY MODE PTT & LATCH (see
section: BASE STATION INTERNAL ADJUSTMENT SETTINGS).
 The signal (4W-OUT) goes out by the PA output .
5. OPERATION
The E-200 series intercom system are designed to allow maximum easy communication
operations between the different control areas in music or theatre live performances,
television, cinema, conference halls, and whatever broad events where multiple and fast
communications are required, by means of its simultaneous listening-speaking operation
system.
The EF-202 and EF-204 system master station provides two and four independent
intercom channels, and the capacity to feed up to 50 beltpacks (EM-201) in total distributed
EF-202/EF-204 MASTER STATION – E200 SERIES
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18 17
13
2 22
9
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