Lightspeed 7100dx quad-rak User manual

System Overview .............................................................................................. 1

System Controls and Functions:

7100DX/Receivers -

front panel ...................................................................

7100DX -

Back Panel ...................................................................................

Handheld Microphone Transmitter ............................................................... 4

Belt-pack Microphone Transmitter ............................................................... 5

System Installation ............................................................................................ 6

Operating Instructions:

Wireless Receivers ....................................................................................... 7

Installing or Replacing a Receiver Module ................................................ 8

Handheld Microphone Transmitter ............................................................... 9

Belt-pack Microphone Transmitter ............................................................. 13

Wireless Microphone Operation ................................................................. 17

Trouble Shooting Guide .................................................................................. 18

Specifications:

Diversity Receivers ..................................................................................... 19

Transmitters ............................................................................................... 20

Channel/Frequency Assignments .................................................................... 20

Components & Accessories ............................................................................ 21

Warranty Information ...................................................................................... 22

Equipment Log ............................................................................................... 23

User Notes ...................................................................................................... 24

Table of Contents

LightSPEED is a trademark of LightSPEED Technologies, Inc. Other names and brands

LightSPEED

System Overview

The 7100DX Quad-RAK dual tuner diversity UHF wireless microphone system is designed

for applications where multiple wireless microphones will be used simultaneously in a

single venue. The system integrates several features to provide a compact, single rack-

high package; which includes multiple wireless microphone receivers, antenna combiner,

rack mounting and internal power supply.

The Quad-RAK receiver contains up to four modular 100-channel UHF receivers

operating in a single rack space. An active antenna combiner is also included, allowing

all four receivers to operate from a single pair of antennas. Each receiver has 100

preset user selectable frequencies in a micro frequency range of 25MHz. Five macro

frequency groups ranging from 620 MHz to 745MHz are available. Other features

include clear channel scan, tone squelch, and low battery indicators on both

transmitter(s) and receiver(s). Each receiver is available with either the TX-BP900 belt-

pack or the TX-HM900 handheld transmitter (or both).

IMPORTANT NOTE:

To take full advantage of the features the

7100DX has to offer, as well as its applications, please take time to read

through the entire manual.

Your 7100DX Quad-RAK documentation package consists of a User’s Manual and a Quick

Start Guide. The User’s Manual has two comprehensive sections,

Controls and

Functions

and

Operating Instructions.

For an experienced user, follow the steps on

the Quick Start Guide to get your 7100DX Quad-RAK up and running in a matter of

minutes.

LightSPEED

QUAD-RAK RECEIVER SYSTEM

POWER

CH 1

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

VOL

MaxPWR Min

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

VOL

MaxPWR Min

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

VOL

MaxPWR Min

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

VOL

MaxPWR Min

CH1 CH2 CH3 CH4

User Notes

1.1.

1. Quad-RAK Power Switch:Quad-RAK Power Switch:

Quad-RAK Power Switch:Quad-RAK Power Switch:

Quad-RAK Power Switch:

Flip up to turn power on. When power is on, switch

is lighted.

2.2.

2. Channel Control:Channel Control:

Channel Control:Channel Control:

Channel Control:

Manually select the desired channel (00-99) by pressing these

two buttons.

3.3.

3. TT

Transmitter Low Batterransmitter Low Batter

ransmitter Low Batterransmitter Low Batter

ransmitter Low Battery Indicator:y Indicator:

y Indicator:y Indicator:

y Indicator:

This LED lights to indicate a low battery level

in the transmitter

(handheld or belt-pack)

that is set to the same channel.

4.4.

4. RF Channel "A" Indicator:RF Channel "A" Indicator:

RF Channel "A" Indicator:RF Channel "A" Indicator:

RF Channel "A" Indicator:

The "A" LED lights up indicating the "A" channel tuner

is receiving the strongest RF signal.

5.5.

5. RF Channel "B" Indicator:RF Channel "B" Indicator:

RF Channel "B" Indicator:RF Channel "B" Indicator:

RF Channel "B" Indicator:

The "B" LED lights up indicating the "B" channel tuner

is receiving the strongest RF signal.

6.6.

6. Scan Button:Scan Button:

Scan Button:Scan Button:

Scan Button:

Press this button to automatically select a channel that is free from

interference.

7.7.

7. Squelch Adjustment:Squelch Adjustment:

Squelch Adjustment:Squelch Adjustment:

Squelch Adjustment:

Adjusts the squelch level for elimination of RF interference.

8.8.

8. Receiver Power/VReceiver Power/V

Receiver Power/VReceiver Power/V

Receiver Power/Volume Adjustment:olume Adjustment:

olume Adjustment:olume Adjustment:

olume Adjustment:

Turn this knob clockwise to power up the

receiver. Rotate to adjust the audio output level.

System/Receivers

Front Panel

LightSPEED

QUAD-RAK RECEIVER SYSTEM

POWER

CH 1

100-channel UHF Receiver Module

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

VOL

MaxPWR Min

Quad-RAK

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

VOL

MaxPWR Min

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

VOL

MaxPWR Min

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

VOL

MaxPWR Min

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

VOL

MaxPWR Min

CH1 CH2 CH3 CH4

Controls and Functions

User Notes

25 2

1.1.

1. Antenna "B" Input:Antenna "B" Input:

Antenna "B" Input:Antenna "B" Input:

Antenna "B" Input:

The antenna can be connected directly to this BNC input jack, or

extended to a remote location with antenna cable.

2.2.

2. Level Selecting Switch:Level Selecting Switch:

Level Selecting Switch:Level Selecting Switch:

Level Selecting Switch:

Changes unbalanced audio output level of the receiver to

"MIC" or "LINE" level.

3.3.

3. Unbalanced Audio Output Jack:Unbalanced Audio Output Jack:

Unbalanced Audio Output Jack:Unbalanced Audio Output Jack:

Unbalanced Audio Output Jack:

The AF signal output from this jack may be

connected to a "LINE IN" or “MIC IN” jack on the mixer/amplifier.

4.4.

4. Balanced Audio Output Jack:Balanced Audio Output Jack:

Balanced Audio Output Jack:Balanced Audio Output Jack:

Balanced Audio Output Jack:

The balanced AF signal output from this jack may be

connected to a balanced microphone input jack by using a standard XLR mic cable.

This jack outputs the combined AF signal for all system receivers.

(1-4 receivers

depending on specific package). **

Note connector pinout schematic.

5.5.

5. Channel 4 Audio Output Jack:Channel 4 Audio Output Jack:

Channel 4 Audio Output Jack:Channel 4 Audio Output Jack:

Channel 4 Audio Output Jack:

Balanced AF signal output jack for the Channel 4

receiver module to be mixed/amplified individually.

6.6.

6. Channel 3 Audio Output Jack:Channel 3 Audio Output Jack:

Channel 3 Audio Output Jack:Channel 3 Audio Output Jack:

Channel 3 Audio Output Jack:

Balanced AF signal output jack for the Channel 3

receiver module to be mixed/amplified individually.

7.7.

7. Channel 2 Audio Output Jack:Channel 2 Audio Output Jack:

Channel 2 Audio Output Jack:Channel 2 Audio Output Jack:

Channel 2 Audio Output Jack:

Balanced AF signal output jack for the Channel 2

receiver module to be mixed/amplified individually.

8.8.

8. Channel 1 Audio Output Jack:Channel 1 Audio Output Jack:

Channel 1 Audio Output Jack:Channel 1 Audio Output Jack:

Channel 1 Audio Output Jack:

Balanced AF signal output jack for the Channel 1

receiver module to be mixed/amplified individually.

9.9.

9. Antenna "A" Input:Antenna "A" Input:

Antenna "A" Input:Antenna "A" Input:

Antenna "A" Input:

The antenna can be connected directly to this BNC input jack, or

extended to a remote location with antenna cable.

10.10.

10. AC Power Cord Input:AC Power Cord Input:

AC Power Cord Input:AC Power Cord Input:

AC Power Cord Input:

Plug 100-240VAC line cord into this connector.

The system senses input voltage automatically.

System

Back Panel

BALANCED

AF OUT CH1CH2CH3CH4

MIC LINE

1GND

2 +

3 –

ANT. B ANT. A

1567 8 9103

AC IN 100V-240V

Controls and Functions

User Notes

324

Controls and Functions

Wireless Transmitter

Handheld Microphone

1.1.

1. Power Switch:Power Switch:

Power Switch:Power Switch:

Power Switch:

Turns the transmitter ON.

2.2.

2. LCD Display:LCD Display:

LCD Display:LCD Display:

LCD Display:

Information screen appears when the power is switched on.

3.3.

3. Red LED:Red LED:

Red LED:Red LED:

Red LED:

Lights up briefly when power is switched on.

4.4.

4. Lock Button:Lock Button:

Lock Button:Lock Button:

Lock Button:

Locks all microphone controls.

5.5.

5. Set Button:Set Button:

Set Button:Set Button:

Set Button:

This button is used to enter and save changes to the

transmitter settings.

6.6.

6. Up and Down Buttons:Up and Down Buttons:

Up and Down Buttons:Up and Down Buttons:

Up and Down Buttons:

These buttons scroll up and down between setup

screens on the LCD display. They are also used to enter changes in each

setup screen.

7.7.

7. Battery Charge Jack:Battery Charge Jack:

Battery Charge Jack:Battery Charge Jack:

Battery Charge Jack:

Optional battery charger plugs in here

(for NiMH batteries only).

8.8.

8. BatterBatter

BatterBatter

Battery Compartment:y Compartment:

y Compartment:y Compartment:

y Compartment:

Bottom section of microphone barrel unscrews to

reveal battery compartment.

LOCK SET

HM-900

SET

DOWN

LOCK

LCD Display

Battery

Compartment

End View of Microphone

CH: 002

Equipment Log

LightSPEED

Record your system serial numbers and purchase information.

This is helpful when ordering additional components, accessories,

and/or warranty service.

Component

Receiver[s]

Transmitter[s]

Microphone[s]

Serial Number

Purchase Information

Your Name/Company

Purchase Date

Dealer Name/Location

Invoice #

7100DX

Charger[s]

23 4

Controls and Functions

LightSPEED

DOWN

Set

LightSPEED

On/Off

Switch

Mute

Switch

Red LED

Door

Latch

LCD

Display

Battery

Charge

Jack

Mic

Jack 5

GTMT

Gain

Adjust

Battery

Com

artment

CH: 001

Belt

Clip

1.1.

1. Power Button:Power Button:

Power Button:Power Button:

Power Button:

Turns the transmitter ON. (Hold for two seconds.)

2.2.

2. LCD Display:LCD Display:

LCD Display:LCD Display:

LCD Display:

Information screen appears when the power is switched on.

3.3.

3. Red LED:Red LED:

Red LED:Red LED:

Red LED:

Lights up briefly when power is switched on, flashes

continuously when audio signal is muted.

4.4.

4. Mute Switch:Mute Switch:

Mute Switch:Mute Switch:

Mute Switch:

Turns the audio signal on or off.

The red LED will flash when

MUTE is engaged.

5.5.

5. Microphone Jack:Microphone Jack:

Microphone Jack:Microphone Jack:

Microphone Jack:

Microphone connects to transmitter here.

6.6.

6. Battery Charge Jack:Battery Charge Jack:

Battery Charge Jack:Battery Charge Jack:

Battery Charge Jack:

Optional battery charger plugs in here (for NiMH

batteries only).

7.7.

7. Belt ClipBelt Clip

Belt ClipBelt Clip

Belt Clip

8.8.

8. Gain:Gain:

Gain:Gain:

Gain:

Provides adjustment for differing voice levels and microphone

sensitivities.

9.9.

9. UP and Down Buttons:UP and Down Buttons:

UP and Down Buttons:UP and Down Buttons:

UP and Down Buttons:

These buttons scroll up and down between setup

screens on the LCD display. They are also used to enter changes in each

setup screen.

10.10.

10. Set Button:Set Button:

Set Button:Set Button:

Set Button:

This button is used to enter and save changes to the

transmitter settings.

11.11.

11. Door Latch:Door Latch:

Door Latch:Door Latch:

Door Latch:

A door latch button is located on each side. Press both to

open the battery compartment door.

12.12.

12. Battery CompartmentBattery Compartment

Battery CompartmentBattery Compartment

Battery Compartment

Wireless Transmitter

Belt-pack

Warranty

LightSPEED WARRANTY

The 7100DX Quad-RAK Dual Diversity UHF Wireless Microphone Sys-

tem is guaranteed against malfunction due to defects in materials and

workmanship for a period of three years, beginning at the date of origi-

nal purchase. If such a malfunction occurs, the product will be repaired

or replaced (at LightSPEED's option) without charge during the period

and under the limitations stipulated in the data sheet or owner's manual

(if any) for this individual product. Limited exclusions specifically apply to

microphone elements and their assemblies, also external cables and

wires. Warranty on microphones/microphone elements is limited the

original manufacturer's warranty. If delivered prepaid to the LightSPEED

factory or an authorized warranty service center, the unit will be re-

turned prepaid. Warranty does not extend to finish, appearance items,

or malfunctions due to abuse or operation other than specified condi-

tions, nor does it extend to incidental or consequential damages, so the

above exclusion may not apply to you. Repair by other than LightSPEED

or its authorized service agencies will void this guarantee. Information

on authorized service agencies is available from LightSPEED.

522

System Installation

System

Back Panel

Connecting the AntennasConnecting the Antennas

Connecting the Antennas

1. The two 3/4 wave antennas can be installed quickly

and easily to the rear of the receiver by twisting them

onto the BNC connectors marked ANT A and ANT B.

For optimum reception in trouble areas, it may be

necessary to use remote antennas.

Connecting AConnecting A

Connecting AFF

F(audio(audio

(audio(audio

(audio))

))

)OutputOutput

OutputOutput

Output

2. INDIVIDUAL BALANCED:INDIVIDUAL BALANCED:

INDIVIDUAL BALANCED:INDIVIDUAL BALANCED:

INDIVIDUAL BALANCED: The XLR output jacks

labeled CH1-CH4 output the line level audio signal

for each receiver independently. Connect the AF

output of each receiver from these XLR jacks to a

balanced input jack on the mixer or amplifier.

3. COMBINED BALANCED:COMBINED BALANCED:

COMBINED BALANCED:COMBINED BALANCED:

COMBINED BALANCED: The XLR output jack

labeled “BALANCED” combines the audio from all

the receiver modules in the Quad-RAK together and

outputs them at a single source. To control the

various output levels of the individual receivers,

adjust the volume level accordingly on each receiver

module.

4. UNBALANCED:UNBALANCED:

UNBALANCED:UNBALANCED:

UNBALANCED: The 1/4” unbalanced output jack

labeled “AF OUT” combines the audio from all the

modules in the Quad-RAK together and outputs

them at a single source. To control the various

output levels of the individual receivers, adjust the

volume level accordingly on each receiver module.

Connect the AF output to a “Line-In” or “Mic-In”

(note the MIC-LINE level switch)

jack on the mixer

using a 1/4” ouput cable.

AC Power CordAC Power Cord

AC Power Cord

5. Connect into any standard outlet.

Caution: Make sure that audio levels

on receiver modules are turned all the

way down before you begin.

AC IN 100V-240V

BALANCED

AF OUT CH4

MIC LINE

1 GND

2 +

3 –

ANT. B

ANT A

BALANCED

AF OU

CH4

Components & Accessories

AC-Quad-RAK 7100DX Quad-RAK Chassis

RX-7100R 100 Channel UHF Receiver Module

TX-HM900 100 Channel UHF Handheld Transmitter

TX-BP900 100 Channel UHF Belt-pack Transmitter

MC-LS4S Semi-directional Microphone with TA4F Connector and Lapel

Clip

MC-TK250S Noise-Canceling Headset Microphone with TA4F Connector

BC-TX900 Battery Charger for BP900 or HM900

(Optional)

BA-NH1 AA NiMH Rechargeable Battery

(Optional)

Contact your LightSPEED representative for details, pricing and availability.

7100DX Individual Components and Accessories

Order Code Product Description

System Specifications

LightSPEED

Operating Instructions

Wireless Receiver

Control Panel

LightSPEED

QUAD-RAK RECEIVER SYSTEM

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

VOL

MaxPWR Min

100-channel UHF Receiver Module

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

VOL

MaxPWR Min

OPERATING THE WIRELESS MICROPHONE SYSTEM

Power Up your Quad-RAK/ReceiverPower Up your Quad-RAK/Receiver

Power Up your Quad-RAK/Receiver

1. Push the Quad-RAK power switch to the “ON” position.

2. The POWER ON LED will light.

3. Rotate the Power/Volume knob on the receiver module clockwise to turn on.

4. When the system is switched on, the receiver module will have two letters flashing

on the LED screen to indicate the corresponding frequency group

(see chart on page 19).

Channel Selection - ReceiverChannel Selection - Receiver

Channel Selection - Receiver

Each receiver has 100 user-selectable channels to choose from. You can either select a

channel manually or by pressing the “SCAN” button, which will automatically select a

clear channel.

Clear Channel Scan (Recommended):Clear Channel Scan (Recommended):

Clear Channel Scan (Recommended):

Make sure the transmitter(s) is OFF

before pressing this button. When this button is pressed, the receiver will cycle

through all 100 channels and select a clear frequency

(this process takes about

20 seconds).

Once the receiver selects the clear channel, you will need to select

the same channel on the corresponding transmitter

(handheld on page 9 or belt-

pack on page 13).

Channel Set-up for Multiple Receivers:Channel Set-up for Multiple Receivers:

Channel Set-up for Multiple Receivers:

Verify that the first receiver is

operating on a clear channel and the transmitter for that receiver is turned ON.

With all other transmitters turned OFF, press the “SCAN” button on the

next receiver. After that receiver selects a clear channel, set the corresponding

transmitter

(handheld or belt-pack)

to that same channel. Repeat this process for

each additional receiver.

Channel/Frequency Assignments

RF Power Output .................................................................................................. 50 mW Maximum

Spurious Emission .................................................................................... >60 dB below the carrier

Macro Frequency Range ................................................. 620 MHz to 745 MHz

[5 Macro-Groups]

Micro Frequency Range ........................................................................ 25 Mhz each Macro-group

Tone-code Frequency .................................................................................................... 32.768 KHz

Pre-emphasis ....................................................................................................................... 50 µsec

Limiter Type ................................................................................................................... Optocoupler

Limiter Range ............................................................................................ >30dB of audio overload

HM Battery Type ........................................................................................................................ 2 AA

BP Battery Type ............................................................................................................................ 9V

Battery Life

[Alkaline] ..............................................................................................

Approx. 8 Hours

BP Microphone Connector ....................................................................................................... TA4F

BP Weight w/o Batteries ................................................................................................... 3 oz / 85g

HM Weight w/o Batteries ............................................................................................. 4.2 oz / 120g

BP-900 and HM-900 Transmitters

E ...................................................... 620.000 – 644.750

H ..................................................... 645.000 – 669.750

L ...................................................... 670.000 – 694.750

P ...................................................... 695.000 – 719.750

U ..................................................... 720.000 – 744.750

LightSPEED Frequency

Channel Range

7100DX Channel Assignments

Note: Specifications are subject to change without notice.

720

Operating Instructions

Channel Selection - ReceiveChannel Selection - Receive

Channel Selection - Receiverr

r(Cont.)(Cont.)

(Cont.)(Cont.)

(Cont.)

Manual Channel SelectionManual Channel Selection

Manual Channel Selection

6. Pressing the Left Channel button changes the first number [0-9].

7. Pressing the Right Channel button changes the second number [0-9]. Once a

frequency is selected, you will need to select the same channel on the

corresponding transmitter

(handheld or belt-pack).

NOTE: There are 5 different groupings of 100 channels available, which are

sent out to maximize clear channels in a specific geography. When the system

is powered on, the two letters that initially blink in the Channel window on the

receiver indicate the frequency group (see chart on page 19 for further details).

Installing or Replacing a Receiver Module:Installing or Replacing a Receiver Module:

Installing or Replacing a Receiver Module:

Note: Make sure the Quad-RAK is turned off.

Remove the two screws securing the module

or filler panel using a small phillips screwdriver.

To remove the module, use a small flat-blade

screwdriver. Carefully insert the blade under the

face plate edge and nudge it outward. Grasp the

edges with both hands and slide outward. Install

the new module by aligning it with the guide rails

and sliding all the way in to engage the connector

at the rear of the module.

Replace the two screws.

Remove

Screw

Remove

Screw

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

Squelch Adjustment:Squelch Adjustment:

Squelch Adjustment: In areas that have very high radio frequency traffic, it may be

necessary to adjust the squelch level to block out potential interference.

8. Maximum SquelchMaximum Squelch

Maximum SquelchMaximum Squelch

Maximum Squelch

(full clockwise)

reduces system reception range, but also

reduces the potential for radio frequency interference.

Minimum SquelchMinimum Squelch

Minimum Squelch

(full counterclockwise)

maximizes reception range, but also

increases the potential for radio frequency interference.

100-channel UHF Receiver Module

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

VOL

MaxPWR Min

6 7

Wireless Receiver

Control Panel

System Specifications

Carrier System ........................................ Microprocessor Controlled PLL Synthesized

Receiver Type ................................................................................ Dual Tuner Diversity

Macro Frequency Range ............................... 620 MHz to 745 MHz

[5 Macro-Groups]

Micro Frequency Range ................................................... 25 MHz each Macro-Group

Frequency Stability ......................................................................................... ± 0.005%

Selectable Frequencies ....................................................... 100 [5 Frequency Groups]

Deviation ........................................................................................... ± 40 KHz Nominal

Sensitivity .................................................................... -100 dBm at S/N ratio of >80dB

De-emphasis ..................................................................................................... 50 µsec

Tone-code Frequency ................................................................................. 32.768 KHz

Image Rejection .................................................................................................. >85 dB

Spurious Rejection ............................................................................................. >85 dB

S/N Ratio [Max] ................................................................................................ >105 dB

T.H.D. ................................................................................................................... <0.5%

Audio Outputs ........................................................ Unbalanced: +10 dBm

[2.5V]

at 5K

.................................................................................. Balanced: +16 dBm

[5.0V]

at 600

Antenna Connector ................................................................................................ BNC

Dimension ................................................................................ Full Quad-Rak

[19 inch]

Weight with 4 Receivers ......................................................................... 6.1 lbs / 2.8Kg

Diversity Receiver Specifications

Note: Specifications are subject to change without notice.

19 8

Operating Instructions

Channel Selection – Handheld TChannel Selection – Handheld T

Channel Selection – Handheld Transmitterransmitter

ransmitterransmitter

ransmitter

Once a channel has been selected on the receiver, you now need to select that same

channel on the handheld transmitter.

If you have a belt-pack transmitter, go to page 14 for

channel selection instructions.

LCD

Display

LOCK SET

HM-900

SET

LOCK

DOWN

Red

LED

ON/OFF

Switch

CH: 002

720.500M

HM-900

SENS SET

LEVEL [2]

NiMH

AKLN

Setup Screens

selectable with

the UP and DOWN

Arrow Buttons

Wireless Transmitter

Handheld Microphone

• Turn the microphone on by sliding

the switch on the barrel to the ON position. The red LED will flash once.

• To change the channel, press and hold the “SET” button on the bottom of the

microphone until there is a blinking cursor on the LCD display window

(approximately 3 seconds).

• Use the “UP” and “DOWN” Arrows to set the channel to match the receiver.

• Press and hold the “SET” button again until the blinking cursor disappears and the red

LED flashes

(approximately 3 seconds).

Transmission Frequency in MHz:ransmission Frequency in MHz:

ransmission Frequency in MHz:ransmission Frequency in MHz:

ransmission Frequency in MHz: Press the “UP”

button once to view the transmission frequency in

MHz of the currently selected channel.

NOTE: Transmitters and receivers

are available in 5 different frequency

groups. Verify that the letter code that

blinks on the receiver (when powered

ON) matches the letter code on the

frequency sticker in the battery

compartment of the transmitter.

Trouble Shooting Guide

No sound when someone speaks into the wireless microphone:

7100DX system should be plugged into AC power and turned on.

The receiver module

should be set to the same channel as the transmitter.

Microphone/transmitter power should be turned on.

If the LCD display does not

show, the batteries are most likely too weak. Replace with alkaline batteries.

• If NiMH rechargeable batteries are installed, plug in the charger. Otherwise,

replace with new alkaline batteries.

If you have gone through this trouble shooting guide and are still having problems, write

down the serial numbers of your system and call the LightSPEED Service Department at

1-800-732-8999

7:00 am - 5:00 pm PST

WARNING: Do not attempt to charge alkaline batteries. They can overheat

and expand, creating a significant hazard and damaging the transmitter.

(This is not covered by warranty.)

3. Verify the receiver and transmitter are in the same frequency group.

• Turn the receiver module off and on again. The letter code for the frequency group

will blink.

• Open the battery compartment on the transmitter to find the frequency group sticker.

4. Make sure the Mute light (on the belt-pack transmitter) is not flashing.

The wireless microphone is experiencing drop-out or interference:

The wireless frequency being used may not be a clear channel:The wireless frequency being used may not be a clear channel:

The wireless frequency being used may not be a clear channel:

Turn the transmit-

ter off and press the SCAN button on the receiver to find a clear frequency. Then

make sure to select the same channel on the transmitter.

Squelch adjust on the receiver is set too high:Squelch adjust on the receiver is set too high:

Squelch adjust on the receiver is set too high:

If this squelch is set too high (fully

clockwise), this can drastically reduce the range of the transmitter, resulting in more

frequent dropout.

Squelch adjustment is set too low:Squelch adjustment is set too low:

Squelch adjustment is set too low:

In areas of severe interference (large downtown

urban areas, airports, military bases, etc) it may be necessary to turn the squelch

up slightly to avoid outside interference.

Transmitter is out of range of receiver:ransmitter is out of range of receiver:

ransmitter is out of range of receiver:ransmitter is out of range of receiver:

ransmitter is out of range of receiver:

The transmitters do have a maximum range

of about 300-350 feet in an open field environment. This range can be dramatically

reduced indoors and when large objects (such as a wall) may be obstructing the

path directly between transmitter and receiver. If this is the case, it may be

necessary to position the two closer together.

Batteries are verBatteries are ver

Batteries are very weak:y weak:

y weak:y weak:

y weak:

Right before the batteries are about to die, it can

drastically affect the overall performance of the system. Make sure to check the

battery status of the transmitter (belt-pack or handheld).

• Use the “up” and “down” buttons to select a screen that shows the current channel.

CH: 002

720.500M

Operating Instructions

Wireless Transmitter

Handheld Microphone

Operating Instructions

WIRELESS MICROPHONE OPERAWIRELESS MICROPHONE OPERA

WIRELESS MICROPHONE OPERATIONTION

TIONTION

TION

1. RF Indicator Lights:RF Indicator Lights:

RF Indicator Lights:RF Indicator Lights:

RF Indicator Lights: When both the

receiver module and the transmitter are

ON andoperating on the same channel,

you will see an Indicator Light

(either A or B) on the receiver.

2. VV

Volume Adjustment:olume Adjustment:

olume Adjustment:olume Adjustment:

olume Adjustment: While speaking

into the microphone, slowly turn the Volume

knob on the corresponding receiver module

clockwise until you reach the desired level.

NOTE: Do not stand directly in front of a speaker with the

microphone on. This will result in feedback or ‘squealing’. It is best to

stand behind or off to the side of the unit when setting the volume level.

3. Squelch Adjustment:Squelch Adjustment:

Squelch Adjustment:Squelch Adjustment:

Squelch Adjustment: In areas that may have very high radio frequency traffic, it

may be necessary to adjust the squelch level to block out potential interference.

• Maximum squelch

(full clockwise)

reduces system reception range, but also

reduces the potential for system interference.

• Minimum squelch

(full counterclockwise)

increases reception range, but also

increases the potential for system interference.

4. TT

Transmitter Low Batterransmitter Low Batter

ransmitter Low Batterransmitter Low Batter

ransmitter Low Battery Indicator:y Indicator:

y Indicator:y Indicator:

y Indicator: This LED will light to indicate the batteries

in the corresponding transmitter are low and need to be replaced or recharged.

NOTE: The more simultaneous systems that are in use, the more

likely it is that the squelch will need to be turned up. In most areas,

at least 4 transmitters/receivers will operate without interference at

the minimum squelch setting.

Squelch

Volume

RF LED

Indicators

Low

Battery

100-channel UHF Receiver Module

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

VOL

MaxPWR Min

17 10

Sensitivity LevelSensitivity Level

Sensitivity Level

This function allows the user to set the gain structure of the microphone to best fit the

voice level of the person speaking into it. A person with a very loud, booming voice may

want the microphone set to a sensitivity level of 1 or 2. A person with a very soft voice

will be better off with the microphone set to a sensitivity of 3 or 4.

To change the sensitivity setting:

• Press the “UP” button 3 times to get to

the Sensitivity Level screen.

• Press and hold the “SET” button until a

blinking cursor appears.

• Use the “UP” and “DOWN” arrows to

make a selection (1-4).

• Press and hold the “SET” button again until the blinking cursor disappears.

SENS SET

LEVEL [2]

LOCK SET

HM-900

SET

DOWN

LOCK

Handheld Microphone

End View

LightSPEED

Lock FunctionLock Function

Lock Function

This allows users to lock out all the controls on the microphone so that it is not

accidentally switched off or the channels aren’t accidentally changed in the middle of a

performance.

To lock all the controls:

• Press the “LOCK” button on the bottom

of the microphone. A lock icon will appear

on the LCD screen next to the channel number.

• The black

(or colored)

disc on the bottom can be rotated around to completely

cover the controls so that the buttons cannot be accidentally pressed again.

To unlock all the controls:

• Rotate the black

(or colored)

disc back around to reveal the buttons on the

bottom of the microphone.

• Press the “LOCK” button again to unlock. The lock icon will disappear.

LOCK SET

HM-900

Rotate Disc to Secure

Controls

LightSPEED

CH: 002

Operating Instructions

Battery

Compartment

Door

Latch

GT MT

DOWN

Button

Set

Button

NiMH

AKLN

Operating Instructions

LightSPEED

Charging the Batteries (NiMH Rechargeable Batteries ONLCharging the Batteries (NiMH Rechargeable Batteries ONL

Charging the Batteries (NiMH Rechargeable Batteries ONLY):Y):

Y):Y):

Y):

Make sure there are NiMH Rechargeable Batteries in the transmitter before plugging in

the charger.

Wireless Transmitter

Belt-pack

WARNING: Do not attempt to charge alkaline batteries. They can

overheat and expand, creating a significant hazard and damaging

the transmitter.

(This is not covered by warranty.)

6.6.

6. Replacing the Batteries:Replacing the Batteries:

Replacing the Batteries:Replacing the Batteries:

Replacing the Batteries:

• Open the plastic door by

depressing the latches on each

side.

• Insert two AA batteries and snap

the door closed. Note the polarity

in the battery compartment.

Typical battery life is about 8

hours.

Transmitte

Charger

Connector

Charger Status LED

• RED = charging in progress

• GREEN = batteries fully

charged

LightSPEED

• Switch the transmitter power off.

• Insert the small DC plug into the

jack on the side of the transmitter

labeled “CHG”.

• Plug the other end of the charger

into any standard 110 VAC outlet.

• The Red LED on the charger will

light indicating charge is in process.

• When the batteries are fully

charged, the light on the charger

will turn green.

A full charge can

take up to 8 hours. 16

5.5.

5. TT

To Change the Battero Change the Batter

o Change the Battero Change the Batter

o Change the Battery Ty T

y Ty T

y Type Setting:ype Setting:

ype Setting:ype Setting:

ype Setting:

• Press the “UP” button twice to get to the battery type screen.

• Press and hold the “SET” button until a blinking cursor appears.

• Use the UP and DOWN buttons to make a selection.

• Press and hold the “SET” button again until the blinking cursor disappears.

Wireless Transmitter

Handheld Microphone

BatterBatter

Battery Ty T

y Ty T

y Typeype

ypeype

ype

The transmitter will operate with either standard Alkaline Batteries or Nickel Metal

Hydride (NiMH) Rechargable Batteries. Since these types of batteries have different

characteristics, it is important to set the transmitter to the appropriate type of battery

being used so that the battery life indicator will operate properly.

• Press the “UP” button

twice to get to the

battery-type screen.

• Press and hold the “SET” button until a blinking cursor appears.

• Use the “UP” and “DOWN” arrows to make a selection.

• Press and hold the “SET” button again until the blinking cursor disappears.

LOCK SET

HM-900

SET

DOWN

LOCK

LOCK SET

HM-900

Rotate Disc to Secure

Controls

Handheld Microphone

End View

NiMH

AKLN

To Change the Battery Setting:

WARNING: Do not use NiCad

batteries! They will not charge

properly and may cause damage

to the transmitter.

NOTE: Do not mix battery

types.

Battery Life IndicatorBattery Life Indicator

Battery Life Indicator

The battery life is shown on the primary screen of the LCD.

The 7-step fuel gauge acts as a detailed guide to show the

actual life of the battery.

CH: 002

LightSPEED

GTMT

Alkaline

NiMH

Nickel Metal Hydride

Rechargable

CH: 001

720.250M

2Gain Adjust

GT MT

• Switch the transmitter

power off.

• Insert the small DC plug

into the jack on the bottom

of the transmitter.

• Plug the other end of the charger

into any standard 110 VAC outlet.

• The Red LED on the charger will light

indicating that charging is in progress.

• When the batteries are fully charged, the light on the charger will turn green.

A full charge can take up to 8 hours.

Replacing the BatteriesReplacing the Batteries

Replacing the Batteries

1. To replace the batteries, unscrew the end cap to reveal the battery compartment.

2. Remove or replace the batteries as shown. The microphone requires two AA

sized batteries stacked end to end.

3. Note the polarity in the battery compartment.

Typical battery life is about 8 hours.

Charging the Batteries (NiMH Rechargeable Batteries ONLCharging the Batteries (NiMH Rechargeable Batteries ONL

Charging the Batteries (NiMH Rechargeable Batteries ONLY)Y)

Y)Y)

Make sure there are NiMH Rechargeable Batteries in the transmitter before plugging in the

charger.

WARNING: Do not attempt to charge alkaline batteries. They can

overheat and expand, creating a significant hazard and damaging

the transmitter.

(This is not covered by warranty.)

Transmitter

Charger

Connector

Charger Status LED

• RED = charging in progress

• GREEN = batteries fully charged

LOCK SET

HM-900

Handheld Microphon

End View

End Cap

IMPORTANT! Replace batteries with the same type, (alkaline or NiMH),

that were installed in your handheld microphone.

Operating Instructions

Wireless Transmitter

Handheld Microphone

1.1.

1. TT

Transmitter Mute:ransmitter Mute:

ransmitter Mute:ransmitter Mute:

ransmitter Mute: The MUTE switch turns the transmitter’s audio signal on or off.

The audio is off when the red LED is flashing.

2.2.

2. Gain Adjust:Gain Adjust:

Gain Adjust:Gain Adjust:

Gain Adjust: When changing microphones or users, it may be necessary to adjust

the transmitter gain based on differing microphone sensitivities and voice levels.

• To adjust the microphone gain, turn the MT dial clockwise to increase the gain

and counterclockwise to decrease the gain.

• If you are using a high impedence source, such as a guitar, it will be necessary to

adjust the GT dial. Using a high impedance source requires a special cable.

Contact LightSPEED Technologies for more information.

3.3.

3. BatterBatter

BatterBatter

Battery Life Indicator:y Life Indicator:

y Life Indicator:y Life Indicator:

y Life Indicator: The battery life is shown on the primary screen of the LCD.

The 7-step fuel gauge acts as a detailed guide to show the actual life of the battery.

4.4.

4. BatterBatter

BatterBatter

Battery Ty T

y Ty T

y Type:ype:

ype:ype:

ype: The transmitter will operate with either standard Alkaline Batteries or

Nickel Metal Hydride (NiMH) Rechargable Batteries. Since these types of batteries

have different characteristics, it is important to set the transmitter to the appropriate

type of battery being used so that the battery life indicator will operate properly.

Operating Instructions

LightSPEED

Wireless Transmitter

Belt-pack

WARNING: Do not use NiCad batteries!

They will not charge properly and may

cause damage to the transmitter.

NOTE: Do not mix battery types.

Operating Instructions

LightSPEED

Connecting the Microphone:Connecting the Microphone:

Connecting the Microphone: LightSPEED offers various types of microphones that can

be used with this system. To connect the microphone, simply insert the microphone

connector into the TA4F connector on top of the transmitter. To remove, press the black

button on the microphone connector and pull out.

Microphone OptionsMicrophone Options

Microphone Options

The BP-900 Transmitter can be used with either a lapel style microphone or a headset

microphone. Both plug into the top of the transmitter as shown.

Headset MicrophoneHeadset Microphone

Headset Microphone

Several varieties of headset microphones are

available

(pictured is the LightSPEED TK-

250).

Simply connect the microphone cord

directly into the jack on top of the transmitter

and place the headset around the back of the

head.

For optimal sound, position the

microphone just beside

the mouth.

Lapel MicrophoneLapel Microphone

Lapel Microphone

Several varieties of lapel microphones are

available

(pictured is the LightSPEED LS-4).

Simply connect the microphone cord directly

into the jack on top of the transmitter and clip the

microphone to lapel or collar.

For optimal

sound, position the microphone as close to the

mouth as possible.

Mic IN

Wireless Transmitter

Belt-pack

Operating Instructions

LightSPEED

• Turn the transmitter ON by pressing and holding the Power button on the side

(approximately 2 seconds).

The LCD display will appear.

• Open the plastic door by depressing the latches on each side.

• Use the “up” and “down” buttons to select a screen that shows the current channel.

• To change the channel press and hold the “SET” button until there is a blinking

cursor on the LCD display window

(approximately 3 seconds).

• Use the “Up” and “Down” buttons to set the channel to match the receiver.

• Press and hold the “SET” button again until the blinking cursor disappears

(approximately 3 seconds).

Transmission Frequency in MHz:ransmission Frequency in MHz:

ransmission Frequency in MHz:ransmission Frequency in MHz:

ransmission Frequency in MHz: Press the “UP”

button once to view the transmission frequency in

MHz of the currently selected channel.

Wireless Transmitter

Belt-pack

Toggle

DOWN

Toggle

Set

LightSPEED

Mute

Button

Red LED

Door

Latch

LCD

Display

ON/OFF

Switch

Setup Screens selectable with

the UP and DOWN Arrow Buttons

CH: 001

720. 250M

BP-900

NiMH

AKLN

Channel Selection – Belt-pack TChannel Selection – Belt-pack T

Channel Selection – Belt-pack Transmitterransmitter

ransmitterransmitter

ransmitter

Once a channel has been selected on the receiver, you now need to select that same

channel on the belt pack transmitter.

NOTE: Transmitters and receivers are available in 5 different frequency groups. Verify that the letter

code that blinks on the receiver (when powered ON) matches the letter code on the frequency sticker in

the battery compartment of the transmitter.

CH: 001

720.250M

Operating Instructions

LightSPEED

Connecting the Microphone:Connecting the Microphone:

Connecting the Microphone: LightSPEED offers various types of microphones that can

be used with this system. To connect the microphone, simply insert the microphone

connector into the TA4F connector on top of the transmitter. To remove, press the black

button on the microphone connector and pull out.

Microphone OptionsMicrophone Options

Microphone Options

The BP-900 Transmitter can be used with either a lapel style microphone or a headset

microphone. Both plug into the top of the transmitter as shown.

Headset MicrophoneHeadset Microphone

Headset Microphone

Several varieties of headset microphones are

available

(pictured is the LightSPEED TK-

250).

Simply connect the microphone cord

directly into the jack on top of the transmitter

and place the headset around the back of the

head.

For optimal sound, position the

microphone just beside

the mouth.

Lapel MicrophoneLapel Microphone

Lapel Microphone

Several varieties of lapel microphones are

available

(pictured is the LightSPEED LS-4).

Simply connect the microphone cord directly

into the jack on top of the transmitter and clip the

microphone to lapel or collar.

For optimal

sound, position the microphone as close to the

mouth as possible.

Mic IN

Wireless Transmitter

Belt-pack

Operating Instructions

LightSPEED

• Turn the transmitter ON by pressing and holding the Power button on the side

(approximately 2 seconds).

The LCD display will appear.

• Open the plastic door by depressing the latches on each side.

• Use the “up” and “down” buttons to select a screen that shows the current channel.

• To change the channel press and hold the “SET” button until there is a blinking

cursor on the LCD display window

(approximately 3 seconds).

• Use the “Up” and “Down” buttons to set the channel to match the receiver.

• Press and hold the “SET” button again until the blinking cursor disappears

(approximately 3 seconds).

Transmission Frequency in MHz:ransmission Frequency in MHz:

ransmission Frequency in MHz:ransmission Frequency in MHz:

ransmission Frequency in MHz: Press the “UP”

button once to view the transmission frequency in

MHz of the currently selected channel.

Wireless Transmitter

Belt-pack

Toggle

DOWN

Toggle

Set

LightSPEED

Mute

Button

Red LED

Door

Latch

LCD

Display

ON/OFF

Switch

Setup Screens selectable with

the UP and DOWN Arrow Buttons

CH: 001

720. 250M

BP-900

NiMH

AKLN

Channel Selection – Belt-pack TChannel Selection – Belt-pack T

Channel Selection – Belt-pack Transmitterransmitter

ransmitterransmitter

ransmitter

Once a channel has been selected on the receiver, you now need to select that same

channel on the belt pack transmitter.

NOTE: Transmitters and receivers are available in 5 different frequency groups. Verify that the letter

code that blinks on the receiver (when powered ON) matches the letter code on the frequency sticker in

the battery compartment of the transmitter.

CH: 001

720.250M

LightSPEED

GTMT

Alkaline

NiMH

Nickel Metal Hydride

Rechargable

CH: 001

720.250M

2Gain Adjust

GT MT

• Switch the transmitter

power off.

• Insert the small DC plug

into the jack on the bottom

of the transmitter.

• Plug the other end of the charger

into any standard 110 VAC outlet.

• The Red LED on the charger will light

indicating that charging is in progress.

• When the batteries are fully charged, the light on the charger will turn green.

A full charge can take up to 8 hours.

Replacing the BatteriesReplacing the Batteries

Replacing the Batteries

1. To replace the batteries, unscrew the end cap to reveal the battery compartment.

2. Remove or replace the batteries as shown. The microphone requires two AA

sized batteries stacked end to end.

3. Note the polarity in the battery compartment.

Typical battery life is about 8 hours.

Charging the Batteries (NiMH Rechargeable Batteries ONLCharging the Batteries (NiMH Rechargeable Batteries ONL

Charging the Batteries (NiMH Rechargeable Batteries ONLY)Y)

Y)Y)

Make sure there are NiMH Rechargeable Batteries in the transmitter before plugging in the

charger.

WARNING: Do not attempt to charge alkaline batteries. They can

overheat and expand, creating a significant hazard and damaging

the transmitter.

(This is not covered by warranty.)

Transmitter

Charger

Connector

Charger Status LED

• RED = charging in progress

• GREEN = batteries fully charged

LOCK SET

HM-900

Handheld Microphon

End View

End Cap

IMPORTANT! Replace batteries with the same type, (alkaline or NiMH),

that were installed in your handheld microphone.

Operating Instructions

Wireless Transmitter

Handheld Microphone

1.1.

1. TT

Transmitter Mute:ransmitter Mute:

ransmitter Mute:ransmitter Mute:

ransmitter Mute: The MUTE switch turns the transmitter’s audio signal on or off.

The audio is off when the red LED is flashing.

2.2.

2. Gain Adjust:Gain Adjust:

Gain Adjust:Gain Adjust:

Gain Adjust: When changing microphones or users, it may be necessary to adjust

the transmitter gain based on differing microphone sensitivities and voice levels.

• To adjust the microphone gain, turn the MT dial clockwise to increase the gain

and counterclockwise to decrease the gain.

• If you are using a high impedence source, such as a guitar, it will be necessary to

adjust the GT dial. Using a high impedance source requires a special cable.

Contact LightSPEED Technologies for more information.

3.3.

3. BatterBatter

BatterBatter

Battery Life Indicator:y Life Indicator:

y Life Indicator:y Life Indicator:

y Life Indicator: The battery life is shown on the primary screen of the LCD.

The 7-step fuel gauge acts as a detailed guide to show the actual life of the battery.

4.4.

4. BatterBatter

BatterBatter

Battery Ty T

y Ty T

y Type:ype:

ype:ype:

ype: The transmitter will operate with either standard Alkaline Batteries or

Nickel Metal Hydride (NiMH) Rechargable Batteries. Since these types of batteries

have different characteristics, it is important to set the transmitter to the appropriate

type of battery being used so that the battery life indicator will operate properly.

Operating Instructions

LightSPEED

Wireless Transmitter

Belt-pack

WARNING: Do not use NiCad batteries!

They will not charge properly and may

cause damage to the transmitter.

NOTE: Do not mix battery types.

Operating Instructions

Battery

Compartment

Door

Latch

GT MT

DOWN

Button

Set

Button

NiMH

AKLN

Operating Instructions

LightSPEED

Charging the Batteries (NiMH Rechargeable Batteries ONLCharging the Batteries (NiMH Rechargeable Batteries ONL

Charging the Batteries (NiMH Rechargeable Batteries ONLY):Y):

Y):Y):

Y):

Make sure there are NiMH Rechargeable Batteries in the transmitter before plugging in

the charger.

Wireless Transmitter

Belt-pack

WARNING: Do not attempt to charge alkaline batteries. They can

overheat and expand, creating a significant hazard and damaging

the transmitter.

(This is not covered by warranty.)

6.6.

6. Replacing the Batteries:Replacing the Batteries:

Replacing the Batteries:Replacing the Batteries:

Replacing the Batteries:

• Open the plastic door by

depressing the latches on each

side.

• Insert two AA batteries and snap

the door closed. Note the polarity

in the battery compartment.

Typical battery life is about 8

hours.

Transmitte

Charger

Connector

Charger Status LED

• RED = charging in progress

• GREEN = batteries fully

charged

LightSPEED

• Switch the transmitter power off.

• Insert the small DC plug into the

jack on the side of the transmitter

labeled “CHG”.

• Plug the other end of the charger

into any standard 110 VAC outlet.

• The Red LED on the charger will

light indicating charge is in process.

• When the batteries are fully

charged, the light on the charger

will turn green.

A full charge can

take up to 8 hours. 16

5.5.

5. TT

To Change the Battero Change the Batter

o Change the Battero Change the Batter

o Change the Battery Ty T

y Ty T

y Type Setting:ype Setting:

ype Setting:ype Setting:

ype Setting:

• Press the “UP” button twice to get to the battery type screen.

• Press and hold the “SET” button until a blinking cursor appears.

• Use the UP and DOWN buttons to make a selection.

• Press and hold the “SET” button again until the blinking cursor disappears.

Wireless Transmitter

Handheld Microphone

BatterBatter

Battery Ty T

y Ty T

y Typeype

ypeype

ype

The transmitter will operate with either standard Alkaline Batteries or Nickel Metal

Hydride (NiMH) Rechargable Batteries. Since these types of batteries have different

characteristics, it is important to set the transmitter to the appropriate type of battery

being used so that the battery life indicator will operate properly.

• Press the “UP” button

twice to get to the

battery-type screen.

• Press and hold the “SET” button until a blinking cursor appears.

• Use the “UP” and “DOWN” arrows to make a selection.

• Press and hold the “SET” button again until the blinking cursor disappears.

LOCK SET

HM-900

SET

DOWN

LOCK

LOCK SET

HM-900

Rotate Disc to Secure

Controls

Handheld Microphone

End View

NiMH

AKLN

To Change the Battery Setting:

WARNING: Do not use NiCad

batteries! They will not charge

properly and may cause damage

to the transmitter.

NOTE: Do not mix battery

types.

Battery Life IndicatorBattery Life Indicator

Battery Life Indicator

The battery life is shown on the primary screen of the LCD.

The 7-step fuel gauge acts as a detailed guide to show the

actual life of the battery.

CH: 002

Operating Instructions

Wireless Transmitter

Handheld Microphone

Operating Instructions

WIRELESS MICROPHONE OPERAWIRELESS MICROPHONE OPERA

WIRELESS MICROPHONE OPERATIONTION

TIONTION

TION

1. RF Indicator Lights:RF Indicator Lights:

RF Indicator Lights:RF Indicator Lights:

RF Indicator Lights: When both the

receiver module and the transmitter are

ON andoperating on the same channel,

you will see an Indicator Light

(either A or B) on the receiver.

2. VV

Volume Adjustment:olume Adjustment:

olume Adjustment:olume Adjustment:

olume Adjustment: While speaking

into the microphone, slowly turn the Volume

knob on the corresponding receiver module

clockwise until you reach the desired level.

NOTE: Do not stand directly in front of a speaker with the

microphone on. This will result in feedback or ‘squealing’. It is best to

stand behind or off to the side of the unit when setting the volume level.

3. Squelch Adjustment:Squelch Adjustment:

Squelch Adjustment:Squelch Adjustment:

Squelch Adjustment: In areas that may have very high radio frequency traffic, it

may be necessary to adjust the squelch level to block out potential interference.

• Maximum squelch

(full clockwise)

reduces system reception range, but also

reduces the potential for system interference.

• Minimum squelch

(full counterclockwise)

increases reception range, but also

increases the potential for system interference.

4. TT

Transmitter Low Batterransmitter Low Batter

ransmitter Low Batterransmitter Low Batter

ransmitter Low Battery Indicator:y Indicator:

y Indicator:y Indicator:

y Indicator: This LED will light to indicate the batteries

in the corresponding transmitter are low and need to be replaced or recharged.

NOTE: The more simultaneous systems that are in use, the more

likely it is that the squelch will need to be turned up. In most areas,

at least 4 transmitters/receivers will operate without interference at

the minimum squelch setting.

Squelch

Volume

RF LED

Indicators

Low

Battery

100-channel UHF Receiver Module

LightSPEED

7100R

UHF TRUE

DIVERSITY

RECEIVER

LOW

BAT SCAN SQ

CHANNEL

VOL

MaxPWR Min

17 10

Sensitivity LevelSensitivity Level

Sensitivity Level

This function allows the user to set the gain structure of the microphone to best fit the

voice level of the person speaking into it. A person with a very loud, booming voice may

want the microphone set to a sensitivity level of 1 or 2. A person with a very soft voice

will be better off with the microphone set to a sensitivity of 3 or 4.

To change the sensitivity setting:

• Press the “UP” button 3 times to get to

the Sensitivity Level screen.

• Press and hold the “SET” button until a

blinking cursor appears.

• Use the “UP” and “DOWN” arrows to

make a selection (1-4).

• Press and hold the “SET” button again until the blinking cursor disappears.

SENS SET

LEVEL [2]

LOCK SET

HM-900

SET

DOWN

LOCK

Handheld Microphone

End View

LightSPEED

Lock FunctionLock Function

Lock Function

This allows users to lock out all the controls on the microphone so that it is not

accidentally switched off or the channels aren’t accidentally changed in the middle of a

performance.

To lock all the controls:

• Press the “LOCK” button on the bottom

of the microphone. A lock icon will appear

on the LCD screen next to the channel number.

• The black

(or colored)

disc on the bottom can be rotated around to completely

cover the controls so that the buttons cannot be accidentally pressed again.

To unlock all the controls:

• Rotate the black

(or colored)

disc back around to reveal the buttons on the

bottom of the microphone.

• Press the “LOCK” button again to unlock. The lock icon will disappear.

LOCK SET

HM-900

Rotate Disc to Secure

Controls

LightSPEED

CH: 002

Operating Instructions

Channel Selection – Handheld TChannel Selection – Handheld T

Channel Selection – Handheld Transmitterransmitter

ransmitterransmitter

ransmitter

Once a channel has been selected on the receiver, you now need to select that same

channel on the handheld transmitter.

If you have a belt-pack transmitter, go to page 14 for

channel selection instructions.

LCD

Display

LOCK SET

HM-900

SET

LOCK

DOWN

Red

LED

ON/OFF

Switch

CH: 002

720.500M

HM-900

SENS SET

LEVEL [2]

NiMH

AKLN

Setup Screens

selectable with

the UP and DOWN

Arrow Buttons

Wireless Transmitter

Handheld Microphone

• Turn the microphone on by sliding

the switch on the barrel to the ON position. The red LED will flash once.

• To change the channel, press and hold the “SET” button on the bottom of the

microphone until there is a blinking cursor on the LCD display window

(approximately 3 seconds).

• Use the “UP” and “DOWN” Arrows to set the channel to match the receiver.

• Press and hold the “SET” button again until the blinking cursor disappears and the red

LED flashes

(approximately 3 seconds).

Transmission Frequency in MHz:ransmission Frequency in MHz:

ransmission Frequency in MHz:ransmission Frequency in MHz:

ransmission Frequency in MHz: Press the “UP”

button once to view the transmission frequency in

MHz of the currently selected channel.

NOTE: Transmitters and receivers

are available in 5 different frequency

groups. Verify that the letter code that

blinks on the receiver (when powered

ON) matches the letter code on the

frequency sticker in the battery

compartment of the transmitter.

Trouble Shooting Guide

No sound when someone speaks into the wireless microphone:

7100DX system should be plugged into AC power and turned on.

The receiver module

should be set to the same channel as the transmitter.

Microphone/transmitter power should be turned on.

If the LCD display does not

show, the batteries are most likely too weak. Replace with alkaline batteries.

• If NiMH rechargeable batteries are installed, plug in the charger. Otherwise,

replace with new alkaline batteries.

If you have gone through this trouble shooting guide and are still having problems, write

down the serial numbers of your system and call the LightSPEED Service Department at

1-800-732-8999

7:00 am - 5:00 pm PST

WARNING: Do not attempt to charge alkaline batteries. They can overheat

and expand, creating a significant hazard and damaging the transmitter.

(This is not covered by warranty.)

3. Verify the receiver and transmitter are in the same frequency group.

• Turn the receiver module off and on again. The letter code for the frequency group

will blink.

• Open the battery compartment on the transmitter to find the frequency group sticker.

4. Make sure the Mute light (on the belt-pack transmitter) is not flashing.

The wireless microphone is experiencing drop-out or interference:

The wireless frequency being used may not be a clear channel:The wireless frequency being used may not be a clear channel:

The wireless frequency being used may not be a clear channel:

Turn the transmit-

ter off and press the SCAN button on the receiver to find a clear frequency. Then

make sure to select the same channel on the transmitter.

Squelch adjust on the receiver is set too high:Squelch adjust on the receiver is set too high:

Squelch adjust on the receiver is set too high:

If this squelch is set too high (fully

clockwise), this can drastically reduce the range of the transmitter, resulting in more

frequent dropout.

Squelch adjustment is set too low:Squelch adjustment is set too low:

Squelch adjustment is set too low:

In areas of severe interference (large downtown

urban areas, airports, military bases, etc) it may be necessary to turn the squelch

up slightly to avoid outside interference.

Transmitter is out of range of receiver:ransmitter is out of range of receiver:

ransmitter is out of range of receiver:ransmitter is out of range of receiver:

ransmitter is out of range of receiver:

The transmitters do have a maximum range

of about 300-350 feet in an open field environment. This range can be dramatically

reduced indoors and when large objects (such as a wall) may be obstructing the

path directly between transmitter and receiver. If this is the case, it may be

necessary to position the two closer together.

Batteries are verBatteries are ver

Batteries are very weak:y weak:

y weak:y weak:

y weak:

Right before the batteries are about to die, it can

drastically affect the overall performance of the system. Make sure to check the

battery status of the transmitter (belt-pack or handheld).

• Use the “up” and “down” buttons to select a screen that shows the current channel.

CH: 002

720.500M