BXB Electroics EDC 1000 User manual

BXB ELECTRONICS CO., LTD.
1/21 www.bxb.tw
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BXB ELECTRONICS CO., LTD.
2/21 www.bxb.tw
Catalogue
Foreword............................................................................................................... 3
Product Features .................................................................................................. 4
Safety Precautions................................................................................................ 5
EDC 1000 series................................................................................................... 7
Operation and Function Description ..................................................................... 7
Installation and Setting of the System................................................................... 9
1. Basic installation instruction .......................................................................................9
2. Power On .....................................................................................................................10
3. LED display and operation......................................................................................... 11
3.1 MIC CONTROL ................................................................................................................. 11
3.2 OVERRIDE ....................................................................................................................... 11
3.3 TIME（Voice control- Auto off）........................................................................................ 11
3.4 Saving setting.................................................................................................................... 12
Microphone shape and operation ....................................................................... 13
Table-top chairman unit EDC 1011 ................................................................................ 13
Table-top Delegate’s unit EDC 1012 ..............................................................................14
Flush-mounted Chairman’s unit EDC 1021...................................................................15
Flush-mounted Delegate’s unit EDC 1022 .................................................................... 16
Flush-mounted Chairman’s unit EDC 1023...................................................................17
Flush-mounted Delegate’s unit EDC 1024 .................................................................... 18
EDC1050 Main control unit specifications....................................................................19
Microphone unit specifications .....................................................................................20

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Foreword
This EDC1000 series, the latest and easiest digital conference system with superb performance and
elegant design, can be used for various conferencing.
This conferencing system has the most updated built-in digital module with 10 chairmen microphones
and 128 delegate microphone (can be increased according to practical requirement), providing the
unique features of front sound mixing module, back amplified module, sound effect treatment amplified
module to meet your requirement under any circumstance.
The system will enable self-detection function when the power is on, which can automatically detect if
the function of all the Chairman/ delegate units are normal, facilitating timely function detection.
High reliability is the utmost importance element in the development of this conference system. Each
conference main control unit and its fittings are all going through careful assembly and strict test in our
ISO 9001 factory. The excellent performance, high reliability and reasonable price make it the
indispensable tools of your conference.

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ProductFeatures
Main control unit of the conference system
1.Digital control capability: Chairman’s unit: 10 pcs, Delegate’s unit: 128pcs.
2.The setting of the ID of the conference unit: adopts 7-bit dip switch.
3.It has one LCD display and 3 setting buttons which can be used to set and change the working mode
of the microphone.
4.Built-in front sound mixer amplifier module.
5.Built-in power amplifier module.
Chairman unit
1. Desktop and built-in types are available.
2. Conference control functions such as TALK (On/Off) and CONTROL（equals to the control button on
the console）are available.
3.It can be placed at any position within the system.
4.Maximum 10 chairmen microphone can be installed at the same time.
Delegate unit
1. Desktop, built-in and hand-hold types are available.
2. Speech control function such as TALK (On/Off) and REQUEST are available.
3. 128 delegate microphones can be installed at the same time.

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SafetyPrecautions
1.Please read this manual carefully before installing and applying this unit.
2.Please keep this manual appropriately.
3.Please observe the instruction and warning in this manual.
4.Please do not use accessories not recommended by dealers.
5.Please use the attached spare parts accessories provided by the factory only, the factory will not be
responsible for any damage due to false fixing way.
6.Make sure that the power plug are fixed appropriately and safely.
7.Please do not use too many extention cable to avoid fire hazard and short circuit.
8.Please do not insert any article into the unit or spray any liquid on it to avoid short circuit.
9.If one of the following happen, please contact the maintenance technician:
A• power cable or plug is damaged.
B• water gets into the unit.
C• cannot be operated under normal instruction.
D• the unit is dropped onto the ground and damage the case.
E• If only one function is available, please contact the maintenance technician.
10. When outdoors equipment or cable is connected into this unit, the grounding of cable system must
be reliable to avoid lightening attack.
11. Please take care when installing the main control unit and its surrounding facilities.
Please take care when installing the main control unit and its surrounding facilities. Avoid strike, fierce
swing, which may damage the main conference unit and its surrounding facilities.
12. Please do not disassemble the main control unit and its surrounding facilities.
A. There are high voltage and sensitive electronic circuits inside the unit. In order to avoid electric
shock, please do not disassemble the machine. If machine uncover is necessary, please seek
assistant from qualified technicians.
B. When the dealers replacing spare parts, the specification of replacing spare parts should be
acknowledged by manufacturer. Unauthorized spare parts may lead to fire hazard caused by
short circuit.
13. Please do not block the heat radiating holes on the case
There is heat sink inside this product. If the heat radiating holes are blocked, the resulting overheating
of the main unit may lead to mal-function.
14. Please do not use or operate camera in environment exceeding the specified temperature, humidity
and power grade
Use this conference main control unit in environment with the temperature of 0°C ~ 40°C (32°F ~
104°F) and humidity lower than 90%.
15. Please do not expose the conference main control unit to rain, and humid air, and do not use it in
humid environment.
Please place it at dry place. Humid and water evaporation may lead to the damage of spare parts
inside. Appropriate cover is necessary when placing it outdoor.

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16. Please do not clean the conference main unit and its surrounding facilities with strong or power
detergent
If the surface of the unit is dirty, please do not clean it with liquid or spraying detergent, while slightly
wet cloth should be used.
17. Please do not switch on and off the conference main control unit abruptly
No matter the unit is running or stop, avoid switch it on and off abruptly to ensure the sensitive
electronic circuit inside not being damaged by abrupt power wave.
18. Note: When the printed circuit board was going through electric static treatment, correct ESD safety
precaution and grounding should be guaranteed.
19. Note: Before connecting the unit to the power supply, please adjust the power input according to the
local power specification. Otherwise, unit damage may ensue. The adjusting way can be seen at
Installation and Setting of System.
Warning: Only qualified maintenance staff is allowed to uncover the case of the unit. There is nothing
inside that can be repaired by certificated technician. Before uncovering the unit, power should
be cut off and no power supply is allowed before the unit is completely covered.

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EDC 1000 series
Operation and Function Description
Introduction to the function of front panel of main unit
Master
-8 -5 0
-2 +2
Bass
Conference TrebleAux 1Mic 3Mic 2Mic 1 Aux 2
Open Mic Override Auto Off
12 437865 9 30 45 0
EDC Serice
Conference System Control
21 4 56
78
3
1. tMIC 1~3: volume control knob.
2. tAUX1: volume control knob controls the volume of external input sound and adjusts the
volume of chairman priority warning.
AUX2: volume control knob controls the volume of external input sound.
3. tConference: conference microphone output volume control.
4. tTimbre adjusting knob: TREBLE volume control, BASS volume control.
5. tMASTER volume control
6. tPOWER: master volume control
7. tVolume output increase LED indication lamp.
8. tControl mode and LED display.
Open Mic button：Adjust numbers of ON microphone from 1 up to 9 microphones. All lights
on (1~9) means open system (no limit). When 1~9 LED all off means Chairman
only mode. All delegates cannot talk.
Override button: Press override button then “0” LED will turn on to execute this function.
Auto Off button: Microphone auto cutoff duration. If no sound input for 30 or 45 seconds, it
will auto cut off. “0” means will not auto cutoff unless press ON/OFF button.

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Function of rear plate of main control unit
6789101113
15 16 5 4 3 2 1
MIC 1
220V
LINK 3 LINK 2 LINK 1
MIC 3 MIC 2
L.SPEAKER
110
STAND BY
SPEED DOME
RS-232
110
MIC 4
1
AUX 4
10
MIC 4
AUX OUT VARIABLE 1 Conference
AUX INPUT
24
EQUALIZER
OUT IN
FUSE 250V 8A
SPEAKER 8Ω
+--+
~ AC FUSE 250V T8A
~ AC 110V/220V
50/60HZ
CAUTION:
．TO PREVENT ELECTRIC SHOCK
DO NOT REMOVE COVER(OR BACK)
．NO USER SERVICEABLE PARTS
TO QUALIFIED SERVICE PERSO NNEL
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION!
MADE IN TAIWAN
CONTROL UNIT
http://www.bxb.com.tw
1214
1.tLINK 1 ~ 3: Connect to conference microphone unit port. One link can connect up to 25 units.
2.tL.SPEAKER: Master volume-control of built-in loudspeaker of chairmen/delegate unit.
3.tSTAND BY PORT
4.tSPEED DOME RS-485 port×2（RJ-11）（standby）
5.tRS-232 port（standby）
6.tConference Out
7.tMIC 1~3 MIC 1~3: dynamic microphone input terminal（6.3Ø）。
8.tMIC 4: dynamic microphone input terminal（6.3Ø）and volume control knob.
9.tAUX 4: volume control knob control the volume of external input sound.
10. tAUX INPUT: there are three external sound input terminals.
11. tConference microphone sound output terminal and external sound treatment auxiliary terminal:
AUX OUT: direct sound output terminal controls the output volume but not controlled by master
volume adjusting knob（MASTER）.
VARLABLE: direct sound output terminal controls the output volume and can controlled by master
volume adjusting knob（MASTER）.
EQUALIZER: external sound treatment auxiliary terminal can connect timbre facilities such as the
external equalizer, dynamic expander. The factory setting is IN/OUT short circuit direct
output.
12. tSPEAKER 8Ωbuilt-in 40W×2 amplifier, low resistance 8Ωspeaker signal output terminal.
13. tAC 110V/220V 50/60HZ input voltage selection switch.
14. tAC 110V/220V power input socket. Equip AC overload protection fuse, one protection fuse and
one stand by fuse（AC 8A）under the socket.
15. tConference main control unit DC power fuse seat（DC 8A）
16. t250V 8A Fuse

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AC 110V/60Hz AC 220V/50Hz
Installation and Setting of the System
1. Basic installation instruction
1.1 Adjust AC power input
110V
~ AC FUSE 250V T8A
~ AC 110V/220V
50/60HZ
CAUTION:
．
．
220V
~ AC FUSE 250V T8A
~ AC 110V/220V
50/60HZ
CAUTION:
．
．
Caution: you must adjust to correct input voltage. Otherwise, it may seriously damage the main unit.
1.2 Basic connection of conference control main unit to chairman/delegate microphones.
TOP TOP
TOPTOP
TOP
http://www.bxb.com.tw
CONTROL UNIT
MADE IN TAIWAN
!
CAUTION
RISK OF ELECTRIC SHOCK
DO NOT OPEN
CAUTION:
．TOPREV ENT ELEC TRIC SHOCK
DO NOT REMOVE COVER(OR BA CK)
．NOUSERSERVICEABLEPARTS
TOQUALIFIEDSERVICEPERSONNEL
~ AC 110V /220V
50/60HZ
~ AC FUSE 250VT8A
EXPAND
POWER
AC CONTROL
+
--
+
SPEAKER 8Ω
FUSE250V 8A
IN
OUT
EQUALIZER
42
AUX INPUT
31VARIABLEAUX OUT
MIC 4
10
AUX 4
1
MIC 4
101
RS-232
SPEED DOME
STAND BY
101
L.SPEAKER
MIC 2MIC 3
LINK 1LINK 2LINK 3
220V
BXB
1.2.1 There are three group of microphone port on the main control unit, which can be connected at
random without any priority.
1.2.2 Chairman/delegate unit is equipped with hidden connecting terminal. When conducting connection,
BXB advanced Y shape fast cable can be adopted to form hidden wiring with simple and beauty effect.
1.2.3 The chairman microphone can be placed at any place without order limitation.
1.2.4 When disconnecting the conference unit, please cut off the power supply first.

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2. Power On
2.1 After making sure all the above adjustment and control wiring is completed and plug in the AC power
supply to power on the system. The LED panel on Main control unit will show the previous
conference setting.
2.2 When main control unit is ON, this conference system will execute microphone connection test. At
this time, the red LED of microphone will be constantly on, while the red LED of microphone with
wrong connection will flash after 5 seconds, which indicate failure of unit connection.
2.3 In this case, the power of main control unit should be switched off, and check if the wiring of the
microphone is wrong before the power is switched on again. If the red LED of the microphone is
constantly on for more than 5 seconds, and the connection of the microphone is normal.
2.4 At this time, press the talk button of the chairman unit or any delegate unit once, can the red LED of
microphone be cleared, or wait for 30 seconds until the test mode of the system is releasing, can the
conference begins.
Open Mic Override Auto Off
12 4 3786
5930 45 0
Conference System Control

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3. LED display and operation
3.1 Open Mic
3.1.1 1~9 speaking mode：Press “Oper Mic” button to select 1~9 delegates can speak at the same
time.
3.1.2 Open system: When 1~9 LED all light up means all open. Every delegate can talk with no
restriction.
3.1.3 Chairman only mode：When 1~9 LED all off means Chairman only mode. All delegates cannot
talk.
3.2 Override
3.2.1 Override mode：If the open number of delegate microphone is one, it means only one delegate
microphone of the conference system can be enabled at a time. When the ”TALK” button of the
second conference microphone is pressed, the previous talking microphone will be switched off
automatically. If the open number of delegate microphone is three, it means the starting of the
fourth microphone will disable the first one. The starting of the fifth microphone will disable the
second one. In this case, only three delegate microphones are allowed to speak at a time.
Chairman is not restricted to this limit.
3.3 Auto Off（Voice control- Auto off）
3.3.1 Voice control：When delegate’s unit has no signal for 30/45 seconds, microphone will auto off.
Chairman is not restricted.
3.3.2 Select time
When 30 LED light up: When delegate’s unit has no signal for 30 seconds, microphone will auto
cutoff.
When 45 LED light up: When delegate’s unit has no signal for 45 seconds, microphone will auto
cutoff.
When 0 LED light up: All open until press “Talk” button. Cancel voice control function.
Open Mic Override Auto Off
12 4 3786
5930 45 0
Conference System Control
○
1

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3.4 Saving setting
3.4.1 After setting the above information, save it in Main control unit for next time conference. Even after
turn off or power cut will not need to reset again.

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Microphoneshapeandoperation
Table-top chairman unit EDC 1011：
Function explanations：
1. Press “Talk” button to start talking. The “Talk” button is with back-lighted indication lamp and
Microphone with red LED to show its ON/OFF.
2. When turn on the conference unit, build-in speaker will be silent to prevent echo.
3. Press “Control” button to clear and turn off all delegates. Delegate can press “Talk” button
again to continue talking.
4. Microphone and stand are design separated. It is easier for installation, repair, maintained,
transportation, pack and storage.
5. There is a simple configuration slot for connector in the stand. Only one hole on the rear
panel, which will enable wiring easy to install and maintain. This design will make sure
appearance of the conference hall nice and neat.
○
1 tTalk button（with back-lighted indication lamp）
○
2 tChairman control button（with back-lighted
indication lamp）
○
3 tBuild-in speaker
○
4 tMicrophone plug
○
5 tEarphone output plug
○
6 tWire plug

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Table-top Delegate’s unit EDC 1012：
Function explanations：
1. Press “Talk” button to start talking. The “Talk” button is with back-lighted indication lamp and
Microphone with red LED to show its ON/OFF.
2. When turn on the conference unit, build-in speaker will be silent to prevent echo.
3. Microphone and stand are design separated. It is easier for installation, repair, maintained,
transportation, pack and storage.
4. There is a simple configuration slot for connector in the stand. Only one hole on the rear
panel, which will enable wiring easy to install and maintain. This design will make sure
appearance of the conference hall nice and neat.
○
1 tTalk button（with back-lighted
indication lamp）
○
2 tBuild-in speaker
○
3 tMicrophone plug（DIN TYPE）。
○
4 tEarphone output plug
○
5 tWire plug

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Flush-mounted Chairman’s unit EDC 1021：
Function explanations：
1. Press “Talk” button to start talking. The “Talk” button is with LED indication lamp and
Microphone with red LED to show its ON/OFF.
2. When turn on the conference unit, build-in speaker will be silent to prevent echo.
3. Press “Control” button to clear and turn off all delegates. Delegate can press “Talk” button
again to continue talking.
4. Microphone and stand are design separated. It is easier for installation, repair, maintained,
transportation, pack and storage.
5. Hidden wiring is adopted. There is two hidden DB9 configuration slot for connector in the
stand. When install, just plug one by one (daisy-chain). Holes can be drilled under the seat
when installed, which will enable hidden wiring and maintain the appearance of the
conference hall nice and neat.
TALK
CONTROL
REC
mm
EAR
VOL
CONFERENCE SYSTEM
○
1 tTalk button（with LED
indication lamp）
○
2 tChairman control button
（with LED indication lamp）
○
3 tREC output plug
○
4 tEarphone output plug
○
5 tBuild-in speaker
○
6 tMicrophone plug（DIN 5
TYPE）。
○
7tWire plug

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Flush-mounted Delegate’s unit EDC 1022：
Function explanations:
1. Press “Talk” button to start talking. The “Talk” button is with LED indication lamp and
Microphone with red LED to show its ON/OFF.
2. When turn on the conference unit, build-in speaker will be silent to prevent echo.
3. Microphone and stand are design separated. It is easier for installation, repair, maintained,
transportation, pack and storage.
4. Hidden wiring is adopted. There is two hidden DB9 configuration slot for connector in the
stand. When install, just plug one by one (daisy-chain). Holes can be drilled under the seat
when installed, which will enable hidden wiring and maintain the appearance of the
conference hall nice and neat.
CONFERENCE SYSTEM
VOL
EAR REC
TALK
mm
○
1 tTalk button（with LED
indication lamp）
○
2 tREC output plug
○
3 tEarphone output plug with
volume control
○
4 tBuild-in speaker
○
5 tMicrophone plug（DIN 5
TYPE）
○
6 tWire plug

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Flush-mounted Chairman’s unit EDC 1023：
Function explanations：
1. Press “Talk” button to start talking. The “Talk” button is with LED indication lamp and
Microphone with red LED to show its ON/OFF.
2. When turn on the conference unit, build-in speaker will be silent to prevent echo.
3. Press “Control” button to clear and turn off all delegates. Delegate can press “Talk” button
again to continue talking.
4. Microphone and stand are design separated. It is easier for installation, repair, maintained,
transportation, pack and storage.
5. Hidden wiring is adopted. There is two hidden DB9 configuration slot for connector in the
stand. When install, just plug one by one (daisy-chain). Holes can be drilled under the seat
when installed, which will enable hidden wiring and maintain the appearance of the
conference hall nice and neat.
12
3
REC
EAR
VOL
TALK
CONFERENCE SYSTEM
mm
CONTROL
○
1 tChairman control button（with
LED indication lamp）
○
2 tTalk button（with LED
indication
○
3 tEarphone output plug with
volume control
○
4 tREC output plug
○
5 tMicrophone plug（XLR
TYPE）。
○
6 tWire plug

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Flush-mounted Delegate’s unit EDC 1024：
Function explanations:
1. Press “Talk” button to start talking. The “Talk” button is with LED indication lamp and
Microphone with red LED to show its ON/OFF.
2. When turn on the conference unit, build-in speaker will be silent to prevent echo.
3. Microphone and stand are design separated. It is easier for installation, repair, maintained,
transportation, pack and storage.
4. Hidden wiring is adopted. There is two hidden DB9 configuration slot for connector in the
stand. When install, just plug one by one (daisy-chain). Holes can be drilled under the seat
when installed, which will enable hidden wiring and maintain the appearance of the
conference hall nice and neat.
12
3
REC
EAR
VOL
TALK
CONFERENCE SYSTEM
mm
CONTROL
○
1 tTalk button（with LED
indication
○
2 tEarphone output plug with
volume control
○
3 tREC output plug
○
4 tMicrophone plug（XLR TYPE）
○
5 tWire plug

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EDC1050 Main control unit specifications:
TECHNICAL DATA
◎Frequency response：100HZ~16KHZ
◎LINE IN：-4dB~+6dB≧10KΩ（balanced）
◎LINE OUT：-4dB~+12dB≧200Ω（balanced）
◎Sensitivity：-60dB
◎Total Harmonic distortion：≦0.5%
◎S/N：90dB
◎Conference microphone connection：D type express port x 3 sets
◎Mixer
Mic input：4 sets 600Ω/6mV/-22dB
Line input：4 sets 20KΩ/300mV/-10dB
◎Power amplifier：40W(8Ω)×2
◎5 LED level display
◎Power：AC110/220，50/60Hz，Power LED light
PHYSICAL DATA
◎Dimension and weight
Height：100（mm）
Wide：430（mm）
Depth：230（mm）
Weight：10（KG）
◎ Accessory：19" brackets are included
◎ Surface：Black, against rusty paint

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Microphone unit specifications:
◎Type: Heart type capacitance
◎Frequency response: 100 Hz~ 16 KHz
◎Sensitivity: -23 dBv/PaMax.
◎Sound Voltage: 126 dB (3% THD)
◎S/N ratio: >20 dB (1 kHz)
◎Dimensions: 66 mm (2.5inch)
◎Frequency response: 120 Hz - 16 kHz
◎Rated input: 0.5W RMS
◎Voltage: DC12~18V
◎Connections: DIN8 －DIN8（Y Type）
◎Earphone/REC plug:3.5Ø，stereo
Appearance:
EDC 1011 & EDC1012
◎Base dimensions: 140 x 48 x 150mm (W x H x D)
◎Mounting: Table-top
◎Microphone length: 48 cm (length)
◎Net Weight: 0.82kg (Including Mic)
EDC 1021 & EDC1022
Base dimensions:◎220 x 92 x 50mm (W x H x D)
Mounting:◎Flush-mounted type
◎Hole size: 200 x 85 x 50mm (W x H x D)
Microphone length:◎48 cm (length)
◎Net Weight: 0.6kg (Including Mic)
EDC 1023 & EDC1024
Base dimensions:◎146 x 62 x 110mm (W x H x D)
Mounting:◎Flush-mounted type
◎Hole size: 125 x 50 x 110mm (W x H x D)
Microphone length:◎48 cm (length)
◎Net Weight: 0.35kg (Including Mic)
Optional
Microphone
EDC10xx Chairman or Delegate's unit will come along with standard
43/48cm microphone. BXB provide various microphone lengths for customer's
requirement such as 43, 48, 56cm and longest is 70cm.