Bogen 54-2141-01B 0608 User Manual

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Bogen Enhancer

Instruction Manual

© 2005 Bogen Communications, Inc.

All Rights Reserved.

54-2141-01D0804

Contents

Introduction .......................................................................................................................................................................

3

Using This Manual ............................................................................................................................................................

3

Enhancer System Contents ...........................................................................................................................................

3

System Features ...............................................................................................................................................................

4

BCWR Receiver ...............................................................................................................................................................

5

BCIRS Infrared (IR) Sensors ..........................................................................................................................................

6

BCWBT Body-PackTransmitter ...................................................................................................................................

7

BCHM Headset Microphone .........................................................................................................................................

8

BCBM Body-PackMicrophone .....................................................................................................................................

8

BCLM Lavaliere Microphone .........................................................................................................................................

8

BCWHT Handheld Microphone Transmitter ............................................................................................................

9

Specifications .....................................................................................................................................................................

10

Limited Warranty .............................................................................................................................................................

11

Service ................................................................................................................................................................................

11

2

Introduction

The Bogen Enhancer is an infrared wireless microphone system offering professional performance and operating features. Infrared transmission is used to reduce room-to-roominterference while sending a signal from a presenter’s microphone to adual-channelreceiver.The receiver works in tandem with an amplifier and speaker(s) to reduce the effects of poor room acoustics and the weakening effect of voice traveling through air.

UsingThis Manual

This manual provides instructions for operating the Bogen Enhancer wireless system, and covers all available accessories. Depending on your system configuration, all sections may not apply to your system. Please read the instructions pertaining to your system completely before operating.

This manual first lists the features of the Enhancer and then shows you how to operate the system.After reading the receiver instructions, turn to the section that covers the type of transmitter and microphone you are using with the system. Each section will give you detailed operating instructions.Also included in this manual are system specifications, as well as warranty and servicing information.

Enhancer System Contents

BCWR Dual-ChannelInfrared Receiver (1)

BCWBT Body-PackTransmitter (1)

BCLM Clip-onLavaliere Microphone (1)

BCHM Headset Microphone (1)

BCBM Body-PackMicrophone (1)

• BCIRS Infrared (IR) Sensors (2), each with Mounting Brackets and 35-footCable

6-FootRCA Audio Cable (1)

Adjustable Body-PackLanyard (1)

AC Power Adapter (1)

AA Alkaline Batteries (2)

Instruction Manual (1)

Available Accessories

BCWHT Handheld Microphone Transmitter

BCHRBP Handheld Rechargeable NiMH Battery Pack

BCBC Dual Handheld NiMH Battery Pack Charger

BCBRBP Body-PackRechargeable NiMH Battery Pack

BCBRA Body-PackNiMH Battery Pack Charger

BCWBT Body-PackTransmitter (additional quantities, includes adjustable lanyard)

BCHM Headset Microphone (additional quantities)

BCLM Clip-onLavaliere Microphone (additional quantities)

BCIRS Infrared Sensor (additional quantity, includes BCYA Adapter)

BCYA Multiple Sensor Adapter (additional quantity, part of BCIRS)

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System Features

BCWR Dual-ChannelWireless Microphone Receiver

• Dual Receiver, Simultaneous 2-ChannelOperation for 2 Transmitters (Ch.A, Ch. B)

Infrared (IR) Signal Reception LED Indicators

Channel A/B Mixed Audio Output RCA-typeConnector

Separate Channel A and Channel BVolume Controls

Two IR Sensor Coaxial-typeInputs

BCWBT Body-PackTransmitter

• Multiple Emitter Array of High-EfficiencyInfrared Emission LEDs for Optimum IR Transmission

"Power On" LED

Channel A/B Selector Switch

3.5mm Locking Jack for Connection of Body-Pack,Lapel, or Headset Microphones

Microphone InputVolume Control

Belt Clip and Adjustable, Neck-WornLanyard

Requires 2 NiMH AA Rechargeable Batteries (BCBRBP, optional) or 2 Alkaline AA Batteries (included)

BCIRS Infrared Sensor

Multiple Array of Wide-AngleInfrared Sensitive LEDs

35-footConnecting Cable withCoaxial-typeConnector

Includes Mounting Brackets

BCHM Headset

BCLM Lavaliere

BCBM Body-Pack

Microphone

Microphone

Microphone

Ultra-light,adjustable boom arm

• Weighs less than one ounce

• Weighs less than one ounce

Close-mikedvocalpick-up

Close-mikedvocalpick-up

• Mounts directly to BCWBT

Hands-freeoperation

Hands-freeoperation

Hands-freeoperation

• Cardioid polar pattern

Omni-directionalpattern

Omni-directionalpattern

BCWHT Handheld Microphone/Transmitter

(Optional accessory, sold separately)

• Multiple Emitter Array of High-EfficiencyInfrared Emission LEDs for Optimum IR Transmission

"Power On" LED

Powerful Uni-DirectionalDynamic Capsule for Optimum Audio, Minimum Handling Noise, and Maximum Feedback Rejection

Rugged Steel Mesh Ballscreen with Anti-RollRing

Requires NiMH Rechargeable Batteries (BCHRBP, optional) or 2 Alkaline AA Batteries (included)

4

BCWR Receiver

1

2

Front

3

4

5

6

16V AC

POWER INPUT

Rear

Connecting the Audio Output

The BCWR Receiver provides an unbalanced, line-levelmixed output to theRCA Jack (3).This can be connected to a mixer or a P.A. system using the supplied RCA to RCA audio cable.The audio of both Channels A and B are mixed together at this output.The Channel A and B mix is dependent on the separate Channel A and Channel BVolume Control (4) settings located on the back panel of the receiver. Always make sure the mixer/P.A. volume is turned to minimum before plugging the audio cable into the receiver or before turning the receiver ON/OFF (if the audio cable is already connected) to avoid possible sound system damage.

Connecting the BCIRS IR Sensors

Connect the BCIRS Infrared Sensors to the BCWR Receiver by plugging both sensor coaxial-typeplugs into theInfrared Sensor Inputs (5). Each sensor input will receive both Channels A and B.

Powering the Receiver

Using the AC Power Adapter, connect the AC Power Input (6) to an AC outlet(110-120VAC).Turn ON the BCWR Receiver using thePower Switch (1).The IR ReceptionLED Indicators (2) will now light either green or red, depending on whether the corresponding transmitters are ON or OFF.

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BCIRS Infrared (IR) Sensors

Operation

The IR Sensors act as "antennae" for your infrared wireless microphone system.A multiple array of wide-angleIR-sensitiveLEDs (behind the front

panel receptors) receive the infrared signal emitted

1

by your IR Transmitter. Connect each BCIRS Sensor to the rear jacks on the BCWR (labeled IR In), then turn the BCWR Receiver ON.The Sensor Power LED (1) will light to indicate that the sensor is properly connected to the BCWR Receiver. The Channel A and B IR LED indicators will light green when an infrared signal on the corresponding channel is detected.

Installation

2

2

The BCIRS Sensors can be mounted on any surface using any of the Mounting Brackets (2) and

screws, included.To ensure proper operation, observe the following installation rules:

a.Position the IR Sensors with their front panel receptors facing the entire area of transmitter operation. If this is a wide area, angle the receptors to cover the maximum area range.

Note:The IR sensors will need to be positioned differently for each environment. During installation, power up the Bogen Enhancer System and have one person walk around the desired location, with the transmitters on, while another person positions the IR Sensors for greatest range of mobility.

b.Since the unit utilizes infrared light reflected off of room surfaces, do not mount the sensors near a black ceiling, wall, or heavy curtains as they may limit the range by eliminating such reflections.

c.Although the unit can be used in most brightly lit rooms, it works best if bright lights do not shine directly on the sensors. (Note: System is not designed for use in high ambient light conditions such as outdoors in sunlight or on stage with strong stage lighting.)

d.Never cover the IR Sensors as this will disrupt normal operation. If they become dirty, clean with a soft

cloth. Make sure the sensors are not obstructed and always have a clear line of sight to the transmitters.

e.Position sensors and wires away from Plasma TVs and other equipment that may produce high levels of electrical and RF interference.

Note:Additional BCIRS IR Sensors can be added using the BCYA Multiple Sensor Adapter which allows multiple sensors to be connected to each input.

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BCWBT Body-PackTransmitter

Transmitter Setup

Slide down the Battery Compartment Cover (1), as shown, exposing the battery compartment. Insert 2 fresh AA alkaline batteries or the optional BCBRBP Battery Pack NiMH rechargeable batteries while observing the correct polarity as marked. Set the Channel Selector Switch (2)to the desired channel of operation and slide the cover back into position on the unit. (Note: Make sure the transmitter is OFF when changing the batteries.)

Operation

6

7

8

.

4

a.The BCWBT is provided with a 3.5mm Locking Jack (3) for con-

 

.

 

 

 

 

 

 

 

necting a microphone. Plug in the microphone and secure the con-

 

 

3

nection by turning the metal slip ring on the plug clockwise to

5

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

thread it on the jack.To unplug, reverse the process. Clip the

 

 

 

 

2

 

 

 

 

transmitter to your clothes/belt or, for best results, hang the trans-

 

 

 

 

 

 

 

 

mitter around your neck using the supplied lanyard. Make sure the

 

BCWBT Emitter (4) has a clearline-of-sightwith the BCIRS IR

 

Sensors. (See pages 8 and 9 for operation information on micro-

1

phones.) Attach lanyard to the BCWBT by feeding the strap up and

 

underneath the belt clasp on the rear of the unit. Connect the lanyard strap by snapping the interlocking clasps together. Place the lanyard loop over the head and neck and position the break-awayclasps at the back of the neck.Adjust the length of the lanyard by moving the cinching ball up or down until the BCWBT is at a comfortable length.

b.Adjust the BCWBT’s Volume Control (5) to minimum and slide thePower Switch (6) to the ON position.Thetwo-colorPowerON/LOW Battery LED Indicator (7) will light green, indicating that the transmitter is ON. In the case of low power batteries, the indicator will light red, indicating that the alkaline batteries should be replaced with fresh ones or the NiMH batteries should be recharged.

(Note:The Rechargeable Battery Pack should only be charged with the Battery Charger listed. Never attempt to recharge alkaline batteries.) The optional BCBRA Recharging Adapter can be plugged directly into the BCWBT DC Input Charge Jack (8) from an AC power outlet for easy charging of NiMH batteries. When the recharging adapter is plugged in, the recharger’s LED Indicator will light red. The LED Indicator will light green when the batteries are charged. (Note:Always remove batteries from the BCWBT Transmitter when not in use.)

c.The BCWR Receiver's IR LED Indicator of the corresponding channel should now be lit green.While wearing the microphone and speaking, slowly increase the BCWBT’s Volume Control (5) and adjust the volume control on the receiver, and also on the Mixer/P.A. to the desired level while taking care to avoid acoustic feedback.The microphone is now ready to use. For optimum performance and range, make sure that the IREmitter (4) is not covered by the body or clothing and has an unobstructedline-of-sightwith the IR Sensor.

Note: Observe care in selecting volume, transmitter location, and speaker placement so that acoustic feedback (howling and screeching) will be avoided.

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BCHM Headset Microphone

Operation

 

a.The BCHM is provided with a 3.5mm Locking

 

Connector (1) for connecting the microphone to the

 

BCWBT Transmitter. Plug in the microphone’s connec-

 

tor and secure the connection by turning the metal

 

slip ring clockwise to thread it on the jack.To unplug,

 

reverse the process.

 

b.Wear Headset (2) so that it wraps around the back

 

of the head.The curved Earpieces (3) will fit over

 

the ears.

 

c.While wearing the Headset, adjust the Boom Arm (4)

 

so that the Microphone (5) is about two inches from

5

your mouth. Do not place the microphone too close

 

to the mouth.

 

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1

4

BCBM Body-PackMicrophone

Operation

a.The BCBM (1) is provided with a 3.5mmLocking Connector (2) for connecting the microphone to the BCWBT Transmitter. Plug in the microphone’s connector and secure the connection by turning the metal slip ring clockwise to thread it on the jack.To unplug, reverse the process.

b.The body-packmust be used with theLanyard (3) in order to optimize the BCBM.When the lanyard is around the user’s neck, use theCinch (4) to adjust lanyard length until the BCBM is about six inches from the user’s mouth.

1

2

3

4

BCLM Lavaliere Microphone

Operation

Locking

2

a.The BCLM is provided with a 3.5mm

 

Connector (1) for connecting the microphone to the

3

BCWBT Transmitter. Plug in the microphone’s connec-

 

tor and secure the connection by turning the metal slip

 

ring clockwise to thread it on the jack.To unplug,

 

reverse the process.

 

1

b.Wear the microphone by attaching the Clip (2) to shirt

 

front or jacket lapel.The Microphone (3) should point

 

toward the user’s mouth.

 

 

Note: Microphones that are farther from the sound source, such as lavaliere mics, require more acoustic gain and thus are also more prone to feedback than close-sourcemics such as handheld and headset mics that are used

closer to the mouth.

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BCWHT Handheld MicrophoneTransmitter

Transmitter Setup

 

 

Unscrew and remove the Battery Compartment

 

 

Cover (1) by sliding it down off the microphone to

 

 

expose the battery holder. Insert 2 fresh AA alkaline

 

 

batteries or the optional BCHRBP Battery Pack NiMH

3

3

 

rechargeable batteries, while observing the correct

 

 

2

polarity as marked, and screw the cover back on the

 

 

battery compartment. (Note: Make sure the transmitter is

 

 

OFF when changing the batteries.)

 

 

Operation

Slide the Power Switch (2) to the ON position.The

Power LED Indicator (3) will light green, indicating that1 the transmitter is ON. In the case of dead batteries, the

indicator will be off, indicating that the alkaline batteries should be replaced with fresh ones or that the BCHRBP Battery Pack should be recharged. (Note:The optional Battery Pack should only be charged with the BCBC Charger

listed. Never attempt to recharge alkaline batteries.) The BCBC can also be used to recharge two BCWHT Handheld Microphones simultaneously.When the microphone is placed in the recharging adapter, the recharger’s LED Indicator will light bright red.The LED Indicator will light green when the batteries are charged. (Note:Always remove batteries from the BCWHT microphone when not in use.)

The microphone is now ready to use.The BCWR receiver IR LED Indicator of the corresponding channel should now be lit green. While speaking into the microphone, adjust the correspondingVolume Control on the receiver and also on your Mixer/P.A. to the desired level. For optimum performance and range, make sure that the IR emitter at the base of the transmitter is not covered by the hand and has an unobstructed line-of-sightwith the IR sensor.

Note: Observe care in selecting volume, transmitter location and speaker placement so that acoustic feedback (howling and screeching) will be avoided.

9

Specifications

BCWR Receiver:

 

Mode

Infrared Frequency Modulated

Receiving Channels

Dual-ChannelsA & B

Carrier Frequency

Ch.A: 2.0 MHz; Ch. B: 2.6 MHz

Audio Frequency Response

60 Hz-12kHz

S/N Ratio

> 90 dB

Audio Mix Output

400 mV

Range (line-of-sight)

Up to 30 ft.

Controls

Power ON/OFF (front); Ch.A and BVolume (rear)

Connectors

IR Sensor Coaxial-typeJacks, Ch.A/B (rear);

 

AC Power input jack (rear);

 

Audio Mixed output RCA-typeJack (rear)

Power Requirements

16V AC, 600mA (via AC adapter)

Power Consumption

8W

Dimensions (W x H x D)

10.6" x 2" x 7.4"

Weight

4 lb.

BCWBT Body-PackTransmitter:

 

Carrier Frequency

Ch.A: 2.0 MHz; or Ch. B: 2.6 MHz

Audio Input

BCBM Body-PackOmni-directionalCondenser

 

BCLM Lavaliere-typeOmni-directionalCondenser

 

BCHM Headset-typeUni-directionalCondenser

Controls

ON/OFF Switch,Volume Control, Ch.A/B Select

 

Switch

Connectors

3.5 mm Locking Jack (MIC connection); DC Input

 

Charge Jack

Power Requirements

2 AA Batteries (2.4V DC)

Optional Rechargeable Battery Pack

BCBRBP*

Optional Battery Charger

BCBRA*

Dimensions (W x H x D)

2.6" x 3.9" x 1.7"

Weight (Transmitter)

3.6 oz.

Weight (Headset)

1.1 oz.

BCWHT Handheld MicrophoneTransmitter:

 

Carrier Frequency

Ch. B: 2.6 MHz

Audio Input

Uni-directionalDynamic Cartridge

Controls

ON\OFF Switch

Power Requirements

2 AA Batteries (2.4V DC)

Optional Rechargeable Battery Pack

BCHRBP*

Optional Battery Charger

BCBC*

Dimensions (D x Dia.)

10.2" x 2.2"

Weight

14 oz.

* The Rechargeable Battery Packs should only be used with the Battery Chargers listed. Never attempt to recharge alkaline batteries.

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