ASL INTERCOM BS 216 Manual de usuario descargar pdf (Pagina 4)

The ASL Pro Series oers comprehensive and highly exible systems solutions for full duplex, party-line

communications. The Pro Series can accommodate multiple channels, very large user station counts,

and both wired and wireless user stations. Though extensive congurations are possible, all intercon-

nections are based on standard balanced microphone cable (XLR-3 connectors), and installation requires

no expert knowledge. Clear layout of controls makes operation essentially foolproof, even in under time

pressures and in low light environments. Exceptional build quality and careful quality control assure reli-

able performance for many years.

Switch-mode Power Supplies – In case of short

circuits, faulty wiring or excessive thermal con-

ditions, the power supply will self-protect by

reducing power output, eventually shutting down

under prolonged extreme stress. Once the fault is

corrected, the power supply automatically resets

and restores normal operation.

TALK Function – TALK button with green LED in-

dicator connects to all user stations and Beltpacks

on the indicated channel.

CALL Function – The combined audible and

visual CALL alert adapts to both sound- and light-

sensitive environments. An incoming or outgoing

call signal is indicated by a large red LED. Pushing

the CALL button for more than two seconds acti-

vates the internal BUZZER. Volume of the BUZZER

can be trimmed or muted.

AUX INPUT – Power Supplies and Master Stations

oer a balanced auxiliary input normally used to

carry the auditorium or on-air program audio. The

line-level input has a “ground lift” switch.

MIC MUTE – An ALL MIC MUTE push button is

provided on each Master Station and Power Sup-

ply, allowing the user to temporarily mute the

microphones on all connected user stations. The

PS 4379 and PS 6379 also have separate MIC MUTE

buttons for each channel. All mics are muted auto-

matically during power-up on the Master Station

or Power Supply.

BUZZER MUTE – A BUZZER MUTE push button on

each Master Station and Power Supply allows the

user to mute the buzzer on all connected user sta-

tions. The PS 4379 and PS 6379 additionally have

separate BUZZER MUTE push buttons for each

channel.

Features Summary

■

Latching or momentary function on TALK

buttons

■

User stations with 1, 2, 4 or 6 channels

■

Beltpacks available with either lightweight ABS

or durable aluminum casings

■

Separate CALL and TALK functions each with

large LED indicators

■

Unique visual and audible call system with

volume trimmers

■

Remote mic mute and audible call (buzzer) mute

■

Accepts dynamic or electret microphones

(phantom power standard)

■

Headphone volume and dynamic range exceed

industry norm

■

Extended frequency response and proprietary

frequency correction for high intelligibility

■

Individual side tone and buzzer volume

trimmers for each user station

■

Auto resetting switch-mode power supplies

■

Auxiliary program inputs

■

Electronic switching

■

Automatic headset detection

■

Optional binaural headset operation on

multi-channel stations

■

DC input

■

System Link

Features in Detail

Headphone Ampliers – High-quality, push-pull

headphone ampliers contribute to a system

frequency response of 200 Hz to 15 kHz and a

dynamic range of 80 dB. Output is 1 W nominal @

200 ohms. A proprietary frequency contouring cir-

cuit optimizes voice range reproduction to ensure

exceptionally high intelligibility even in high ambi-

ent noise environments.

Headset Facilities – Both the Master Station and

Beltpack accept either dynamic or electret micro-

phones as standard. Mic gain is adjustable inter-

nally for optimum results with any microphone. A

headset detection circuit ensures the mic pre-amp

is active only when a headset is connected.

Volume controls – Volume controls enable the

user to listen to each channel at any desired

volume, and to balance levels among channels on

multi-channel stations.

Optional Binaural Headset Connector – As an

option, an XLR-6 headset connector can be tted

for use with binaural headsets. Internal jumpers

allow setting of channel assignments to either or

both headset transducers. On units with an AUX

input, the intercom channel can be routed to the

left headset can and the program channel to the

right transducer.

Side Tone – Each user station includes a side tone

trimmer for each channel to adjust level for the

operator’s voice as heard through his or her own

headset or loudspeaker.

Pro Series: Simply the best in analog intercom

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ASL INTERCOM BS 216 Manual de usuario Pagina 4

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