Asl intercom BS 216 User Manual

BASIC SERIES

USER MANUAL

FOR THE

BS 216

DUAL CHANNEL MASTER STATION

CONTENTS

1.0 GENERAL DESCRIPTION ...................... 1

2.0 UNPACKING ................................. 1

3.0 MECHANICAL INSTALLATION ................... 1

4.0 MAINS POWER ............................... 2

5.0 FRONT PANEL CONTROLS ..................... 3

6.0 REAR PANEL CONNECTORS ................... 4

7.0 INTERNAL CONTROLS ........................ 4

8.0 CABLING .................................... 5

9.0 PARTY LINE, TECHNICAL CONCEPT ............. 6

10.0 GUARANTEE ................................. 6

11.0 TECHNICAL SPECIFICATIONS .................. 6

1.0 GENERAL DESCRIPTION

The BS 216 is designed to be a master unit in an ASL For each channel separately, the intercom line impedance intercom system and can be used in portable as well as circuitry is installed. fixed applications. It incorporates a dual channel intercom line power supply with aux input, a dual channel headset An AUX input at the rear panel, allows injecting external station and uses only 1U of 19" rack space. audio signals of line or mic level into the intercom lines.

When ‘mic level’is selected, +30V phantom power is This makes the BS 216 very versatile and ideal for use in available at the Aux input connector. applications where standard microphone cable is available and ease of setup is of paramount importance. Special attention has been paid to the intelligibility of

speech. By applying low noise/high speed circuitry, a Each channel has a Volume (listen level) control, a Talk speech presence filter and a specially designed and a Call button with LED indicators and a sidetone headphone amplifier, communication is very comfortable trimmer. even in environments with high background noise level.

The intercom line power supply is fully protected and can The unique ASL CALL system provides both a flashing red drive at least 10 beltpacks operating at full power. LED and a very distinctive and characteristic sound signal. The power supply is completely separated from all other Only a slight touch of the CALL button will make the LED functions and in case of power failure the unit can accept flash, whilst holding the button for two seconds will activate line power from an external ASL power supply. the call sound signal.

2.0 UNPACKING

The shipping carton contains the parts listed below. ASL has taken great care to ensure that this product

reaches you in flawless condition.

* The BS 216 After unpacking the unit please inspect for any physical * Power cable damage to the unit, and retain the shipping carton and * Spare fuses relevant packing materials for use should the unit need * User manual returning.

If any are missing contact your dealer. If any damage has occured, please notify your dealer

immediately so that a written claim can be initiated. Please With the BS 216 will be a small packet of spare fuses. also refer to the guarantee section of this manual. Please keep them in a safe place. There is also one spare fuse included in the mains inlet.

3.0 MECHANICAL INSTALLATION

A vertical rack space of 1U (1.75", 44mm) is required for the BS 216. It is not necessary to provide rear support by extra bracing or shelving.

Adequate ventilation must be provided by allowing sufficient space around the sides and rear of the unit to ensure free circulation of air. Forced cooling is not required.

The power supply is located on the left rear of the unit, and after a period of time it will feel hot to the touch. This is quite normal, and should be no cause for alarm.

4.0 MAINS POWER

IMPORTANT

The BS 216 may be connected to the mains power outlet The wires in this mains lead are colour coded in to which other audio equipment is connected. The outlet accordance with the following code: should have a clean earth. Avoid using mains power outlets which also power dimmer controlled lighting green and yellow Earth / safety ground equipment. blue Neutral

brown Live The used AC power source can be anything from 100 240 V AC, 50/60 Hz. There is no need to adjust the unit to As the colours of the wires in the mains lead may not the used mains voltage. correspond with the coloured markings identifying the

terminals in your plug, proceed as follows: The power cord supplied with this unit carries the following - The wire which is coloured green-and-yellow must be

information label: connected to the terminal in the plug which is marked

with the letter "E", or by the earth symbol which is or coloured green.

WARNING

This appliance must be earthed

- The wire which is coloured blue must be connected to the terminal which is marked with the letter "N" or coloured black.

- The wire which is coloured brown must be connected to the terminal which is marked with the letter "L" or coloured red.

Those units that are supplied to the North American market will have an integral moulded 3 pin connector which is provided to satisfy required local standards.

4.1 SAFETY EARTHING

The green-and-yellow wire of the mains cord must always be connected to the electrical installation safety earth or ground. It is essential for personal safety as well for proper operation of the BS 216 and the other connected stations. This wire is internally connected to all exposed metal surfaces and any rack framework into which this unit might be mounted is assumed to be connected to the same grounding circuit.

4.2 POWERING UP

Powering up procedure:

- Make sure that the red power switch on the left side of the front panel is OFF.

- Connect the power cord to the rear of the station.

- Plug the other end of the power cord into a PROPERLY GROUNDED outlet.

- Turn on the power with the red button, the green power LED will go on, indicating the station is active.

5.0 FRONT PANEL CONTROLS & CONNECTOR

1 POWER ON/OFF switch 5 SIDETONE trimmers

Mains power push button for switching ON and OFF These trimmers adjust the level of your own voice as the internal power supply. you hear it in your headset.

2 POWER LED

This LED illuminates if line power is supplied by the - set the trimmer in start position: fully clockwise. internal power supply. - switch off the microphone of all connected

3A BUZZER VOLUME trimmer

This trimmer adjusts the volume of the buzzer. - turn up the volume of the required channel.

3B BUZZER

This buzzer indicates an incoming or outgoing call. trimmer. It is activated by pressing a CALL button of the BS 216 or a CALL button of any other station on channel A or The operating area is between fully clockwise and B for longer than two seconds. minimum level. Adjusting the sidetone does not affect You can adjust its volume with the buzzer volume the level of your voice as it is heard by other stations. control.

4 VOLUME A & B control knobs

These knobs adjusts the listen level for the headset. separately or simultaneously. Each channel can be adjusted separately. The large green LED indicates if the talk function is

Adjustment procedure :

(speaker!) stations.

- switch on the microphone of the required channel.

- speak into the headset microphone.

- adjust the listen level by turning the sidetone

6 TALK A & B buttons

These buttons allow you to talk to each channel

activated.

7 CALL A & B buttons

These push buttons activate the CALL system. A momentary push will send a CALL signal to all stations connected to that intercom channel and the CALL LEDS will start flashing. Press and hold the buttons for 2 seconds will activate the call buzzer. After the CALL button is released the LEDS will continue to flash for a further 2 seconds.

8 AUX VOLUME controls

These knobs adjust the level of the Aux input signal to each of the two intercom lines.

9 HEADSET connector

A XLR-4 type connector for the connection of the local headset. This must have a can impedance of 200 ohms or greater. The mic may be of the dynamic or electret type.

Pin assignments:

1. shield mic. (GND)

2. mic. +

3. phones +

4. phones - (GND)

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Asl intercom BS 216 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual