Samson VHF Series Manual de usuario

TRUE DIVERSITY

MICROPROCESSOR

WIRELESS SYSTEM

OWNERS MANUAL

Series

WIRELESS SYSTEM

AND

Produced by On The Right Wavelength for Samson Technologies Corp.

Printed May 1998

Samson Technologies Corp.

575 Underhill Blvd.

P.O. Box 9031

Syosset, NY 11791-9031

Phone: 1-800-3-SAMSON (1-800-372-6766)

Fax: 516-364-3888

Table of Contents

ENGLISH

Introduction 3

Guided Tour - VR3TD Receiver Front Panel 5

Guided Tour - VR3TD Receiver Rear Panel 6

Guided Tour - VR3 Receiver Front Panel 7

Guided Tour - VR3 Receiver Rear Panel 8

Guided Tour - VT3L / VT3 Transmitter 9

Guided Tour - VH3 Transmitter 11

Setting Up and Using Your VHF TD Series / VHF Series System 12

Appendix A: VT3L Multipin Wiring Guide and Chart 51

Appendix B: Carrying Case 52

Specifications 53

FRANCAIS

Introduction 15

Tour d'horizon - Façade avant du VR3TD 17

Tour d'horizon - Façade arrière du VR3TD 18

Tour d'horizon - Façade avant du VR3 19

Tour d'horizon - Façade arrière du VR3 20

Tour d'horizon - VT3L / VT3 21

Tour d'horizon - VH3 23

Réglage et utilisation du système VHF TD Series / VHF Series 24

DEUTSCHE

Einleitung 27

Übersicht: VR3TD Vorderseite 29

Übersicht: VR3TD Rückseite 30

Übersicht: VR3 Vorderseite 31

Übersicht: VR3 Rückseite 32

Übersicht: VT3L / VT3 33

Übersicht: VH3 35

Aufbau und Betrieb des VHF TD Series / VHF Series 36

ESPANOL

Introducción 39

Recorrido guiado - Panel frontal del VR3TD 41

Recorrido guiado - Panel trasero del VR3TD 42

Recorrido guiado - Panel frontal del VR3 43

Recorrido guiado - Panel trasero del VR3 44

Recorrido guiado - VT3L / VT3 45

Recorrido guiado - VH3 47

Ajuste y utilización de su sistema VHF TD Series / VHF Series 48

Introduction

Congratulations on purchasing the Samson VHF TD Series or VHF Series Wireless

System! Although this product is designed for easy operation, we suggest you first take

some time to go through these pages so you can fully understand how we’ve implemented

a number of unique features.

Every wireless system consists of at least two components—a transmitter and a receiver,

both of which must be tuned to the same channel (that is, the same radio frequency) in

order to operate correctly.* The Samson VHF TD Series or VHF Series system you have

purchased operates in the 173.8 - 213.2 MHz frequency range and contains either a

VR3TD or VR3 receiver as well as one of the following transmitters: a VT3L belt-pack

transmitter (for lavalier microphone or headset applications); a VT3 belt-pack transmitter

(for instrument applications); or a VH3 hand-held microphone transmitter. For

convenience and security, the VHF TD Series and VHF Series system is packaged in a

custom impact-resistant polypropylene plastic carrying case that provides room for all

components (see Appendix B on page 50 for more information).

The VT3L beltpack transmitter provides a Switchcraft P3 mini-XLR jack for connection to a

variety of popular headsets and lavalier microphones, including:

Samson QV headset

Samson QE headset**

Audio-Technica ATM-75 headset

Audio-Technica MT-350 lavalier

Audio-Technica Pro-8HE headset**

Audio-Technica 831H-7 lavalier

Countryman IsoMax headset

Crown CM-311(E) headset

Foster ECM-40 lavalier

Sennheiser MKE-2 lavalier

Sony ECM-44 lavalier

Sony ECM-55 lavalier

Sony ECM-77 lavalier

The VH3 hand-held microphone transmitter is available in a selection of popular mic

capsules, including:

Electro Voice ND 757A N/DYM dynamic

Electro Voice ND 857 N/DYM dynamic

Electro Voice BK-1 condenser

Samson Q MIC dynamic

Sennheiser MKE-4032 condenser

Shure SM58 dynamic

Shure SM85 condenser

Shure SM87 condenser

* Your receiver and transmitter have been factory preset to utilize the same channel.

** Optimized for aerobics workouts, this waterproof headset is recommended for usage in

high-humidity environments such as physical fitness centers.

ENGLISH

Introduction

The VR3 receiver provided with the VHF Series wireless system utilizes non-diversity

technology, incorporating a single antenna for ease of use and minimal cost. The VR3TD

receiver provided with the VHF TD Series system utilizes a patented technological

breakthrough called “Microprocessor True Diversity,”whereby a single chassis houses

two antennas (called “Antenna A”and “Antenna B”) and a receiver circuit. A built-in

computer chip continuously scans RF signals from the two antennas and determines

which one has the clearest and strongest reception, automatically (and silently) switching

that signal to the receiver. This allows you to maintain the wireless communication link

over a much broader area range than would be allowed by a receiver utilizing a single

antenna and also virtually eliminates multipath dropouts, interference and phase

cancellation problems. In addition, special sample-and-hold linking circuitry ensures that

correct phase correlation is maintained at all times, with no noise or pops during antenna

switching. The result is performance which exceeds that of conventional antenna true

diversity systems and the highest quality audio fidelity available in any wireless system.

Finally, the provision of Signetics®noise reduction produces crystal-clear sound with

minimized background noise and hiss.

In this manual, you’ll find a more detailed description of the features of your VHF TD

Series or VHF Series system, as well as a guided tour through all components, step-by-

step instructions for setting up and using your system and full specifications. If your

VHF TD Series or VHF Series system was purchased in the United States, you’ll also find

a warranty card enclosed—don’t forget to fill it out and mail it! This will enable you to

receive online technical support and will allow us to send you updated information about

other Samson products in the future. If your VHF TD Series or VHF Series system was

purchased outside of the United States, contact your local distributor for warranty details.

SPECIAL NOTE for U.S. purchasers: Should your VHF TD Series or VHF Series system

ever require servicing, a Return Authorization number (RA) is necessary. Without this

number, the unit will not be accepted. Please call Samson at 1-800-372-6766 for a

Return Authorization number prior to shipping your unit. Please retain the original packing

materials and, if possible, return the unit in its original carton and packing materials.

If your VHF TD Series or VHF Series system was purchased outside of the United States,

contact your local distributor for servicing information.

ENGLISH

Guided Tour - VR3TD Front Panel

1: Antennas (A and B) - The antenna mountings allow full rotation for optimum

placement. In normal operation, both Antenna A (the antenna on the left) and Antenna B

(the antenna on the right) should be placed in a vertical position. Both antennas can be

folded inward for convenience when transporting the VR3TD. See the “Setting Up and

Using Your VHF TD Series / VHF Series System”section on page 10 in this manual for

more information about antenna positioning.

2: Volume control - This knob sets the level of the audio signal being output through both

the balanced and unbalanced output jacks on the rear panel. Reference level is obtained

when the knob is turned fully clockwise.

3: “TX ON” LED - Lights when carrier signal of sufficient strength is being received by the

VR3TD.

4: SQL (Squelch) control - This control determines the maximum range of the VR3TD

before audio signal dropout. Although it can be adjusted using the supplied plastic

screwdriver, it should normally be left at its factory setting. See the “Setting Up and Using

Your VHF TD Series / VHF Series System”section on page 10 in this manual for more

information.

5: A/B LEDs - When signal is being received, one of these will be lit yellow, showing you

whether the (left) “A”or (right) “B”receiver is currently being used. The VR3TD constantly

scans its two antennas and automatically selects whichever is receiving the strongest,

clearest signal. This Microprocessor True Diversity switching is completely inaudible, but it

effectively increases overall range while virtually eliminating potential interference and

phase cancellation problems.

6: AF Level meter - This “ladder”display (similar to the VU bar meter used on audio

devices) indicates the strength of the incoming audio signal. When the “100%”segment is

lit, the incoming signal is optimized at unity gain; when the “125%”segment is lit, the signal

is overloading. When only the left-most “10%”segment is lit, the incoming signal is at just

10% of optimum strength. If no segments are lit, little or no signal is being received.

See the “Setting Up and Using Your VHF TD Series / VHF Series System”section on page

10 in this manual for more information.

7: Power LED - This lights green whenever the VR3TD is turned on.

8: Power switch - Use this to turn the VR3TD power on and off. When it is on, the Power

LED (see #7 above) is lit.

10% 25% 75% 100% 125%

MAX. VR3TD VHF TRUE DIVERSITY RECEIVER

VOLUME SQL. MIN.

POWER

OFF

SAMSON

ANT. A ANT. B

3 4

1 7

Series

ENGLISH

Guided Tour - VR3TD Rear Panel

1: DC input - Connect the supplied 12 volt 250 mA power adapter here, using the strain

relief as shown in the illustration below. WARNING: The substitution of any other kind of

power adapter can cause severe damage to the VR3TD and will void your warranty.

2: Unbalanced output* - Use this unbalanced high impedance (5K Ohm) 1/4" jack when

connecting the VR3TD to consumer (-10) audio equipment. Wiring is as follows: tip hot,

sleeve ground.

3: Audio Output Level switch - Sets the audio output level attenuation of the balanced

output (see #4 below) to -20 dBm (line level) or -40 dBm (mic level). See the “Setting Up

and Using Your VHF TD Series / VHF Series System”section on page 10 in this manual

for more information.

4: Balanced output* - Use this electronically balanced low impedance (600 Ohm) XLR

jack when connecting the VR3TD to professional (+4) audio equipment. Pin wiring is as

follows: Pin 1 ground (shield), Pin 2 high (hot), and Pin 3 low (cold).

* If required, both the unbalanced and balanced outputs can be used simultaneously.

DC INPUT UNBALANCED OUTPUT

CAUTION

USE SAMSON

AC ADAPTER

ONLY

AC CABLE LOCK

CABLE LOCK LOOP THRU AND TIE

-10 dB 5KΩ

S. No.

CH :

Diversity Receiver

BALANCED SWITCH LINE:

-20dBm600Ω

MIC:

-40dBm600Ω

MIC LINE

BALANCED OUTPUT

XLR:

①GND

②HOT

③COLD

POWER RATING

DC 12V, 1.9W(160mA)

1234

Using the strain relief: Gather up a loop of wire and pass it through the strain relief,

then pass the adapter plug through the loop in order to create a knot.

ENGLISH

Guided Tour - VR3 Front Panel

1: Antenna - The antenna mounting allows full rotation for optimum placement. In normal

operation, the antenna should be placed in a vertical position. It also can be folded inward

for convenience when transporting the VR3. See the “Setting Up and Using Your VHF TD

Series / VHF Series System”section on page 10 in this manual for more information about

antenna positioning.

2: Volume control - This knob sets the level of the audio signal being output through both

the balanced and unbalanced output jacks on the rear panel. Reference level is obtained

when the knob is turned fully clockwise.

3: “TX ON”LED - Lights when carrier signal of sufficient strength is being received by the

VR3.

4: SQL (Squelch) control - This control determines the maximum range of the VR3

before audio signal dropout. Although it can be adjusted using the supplied plastic

screwdriver, it should normally be left at its factory setting. See the “Setting Up and Using

Your VHF TD Series / VHF Series System”section on page 10 in this manual for more

information.

5: AF Level meter - This “ladder”display (similar to the VU bar meter used on audio

devices) indicates the strength of the incoming audio signal. When the “100%”segment is

lit, the incoming signal is optimized at unity gain; when the “125%”segment is lit, the signal

is overloading. When only the left-most “10%”segment is lit, the incoming signal is at just

10% of optimum strength. If no segments are lit, little or no signal is being received.

See the “Setting Up and Using Your VHF TD Series / VHF Series System”section on page

10 in this manual for more information.

6: Power LED - This lights green whenever the VR3 is turned on.

7: Power switch - Use this to turn the VR3 power on and off. When it is on, the Power

LED (see #6 above) is lit.

ENGLISH

10% 25% 75% 100% 125%

MAX. VR3 VHF FM RECEIVER

VOLUME SQL. MIN.

POWER

OFF

SAMSON

3 4

Series

Guided Tour - VR3 Rear Panel

1: DC input - Connect the supplied 12 volt 250 mA power adapter here, using the strain

relief as shown in the illustration below. WARNING: The substitution of any other kind of

power adapter can cause severe damage to the VR3 and will void your warranty.

2: Unbalanced output* - Use this unbalanced high impedance (5K Ohm) 1/4" jack when

connecting the VR3 to consumer (-10) audio equipment. Wiring is as follows: tip hot,

sleeve ground.

3: Audio Output Level switch - Sets the audio output level attenuation of the balanced

output (see #4 below) to -20 dBm (line level) or -40 dBm (mic level). See the“Setting Up

and Using Your VHF TD Series / VHF Series System”section on page 10 in this manual

for more information.

4: Balanced output* - Use this electronically balanced low impedance (600 Ohm) XLR

jack when connecting the VR3 to professional (+4) audio equipment. Pin wiring is as

follows: Pin 1 ground (shield), Pin 2 high (hot), and Pin 3 low (cold).

* If required, both the unbalanced and balanced outputs can be used simultaneously.

ENGLISH

DC INPUT UNBALANCED OUTPUT

CAUTION

USE SAMSON

AC ADAPTER

ONLY

AC CABLE LOCK

CABLE LOCK LOOP THRU AND TIE

-10 dB 5KΩ

S. No.

CH :

Non-Diversity Receiver

BALANCED SWITCH LINE:

-20dBm600Ω

MIC:

-40dBm600Ω

MIC LINE

BALANCED OUTPUT

XLR:

①GND

②HOT

③COLD

POWER RATING

DC 12V, 1.9W(160mA)

1234

Using the strain relief: Gather up a loop of wire and pass it through the strain relief,

then pass the adapter plug through the loop in order to create a knot.

Guided Tour - VT3L / VT3

1: Input connector - The input device is connected here. The VT3L is supplied with

either a lavalier or headset microphone (connected via a Switchcraft mini-XLR jack), while

the VT3 is supplied with a permanently connected cable that terminates at a 1/4" plug.

A wiring chart showing the connections to popular lavalier and headset microphones can

be found on page 49 of this manual.

2: Battery level meter - This set of three multicolor LEDs indicates relative battery

power, indicating whether the installed battery is at low (red), mid (yellow) or high (green)

strength. One or more of these will light whenever the VT3L or VT3 is powered on (see

#5 on the next page). When all three are lit, the battery is at maximum strength. When

only the red “low”indicator lights, RF performance is degraded and the battery needs to

be replaced.

3: Audio on-off switch - When set to the “on”position, audio signal is transmitted.

When set to the “off”position, the audio signal is muted. Because the carrier signal

remains during muting, no “pop”or “thud”will be heard. Note that turning this off does not

turn off the transmitter power—it is simply a way to temporarily mute the transmission of

audio signal. If you don’t plan on using the transmitter for extended periods, turn off the

transmitter power by using the power on-off switch (see #5 on the next page).

4: Battery door release - Press gently inwards on these two indents in order to open the

battery door of the VT3L or VT3 and access the Power on-off switch (see #5 on the next

page) and Gain control (see #6 on the next page).

AUDIO

▲

BATTERY

LOW MID HIGH

123

SAMSON

ENGLISH

INPUT

SAMSON

VHF BELTPACK TRANSMITTER

VT3

Guided Tour - VT3L / VT3

5: Power on-off switch* - Use this to turn the VT3L / VT3 on or off (to conserve battery

power, be sure to leave it off when not in use).

6: Gain control (trimpot) - This input sensitivity control has been factory preset to provide

optimum level for the particular lavalier or headset model being used (in the case of the

VT3, it is preset for optimum instrument level) and so we recommend that this not be

adjusted manually. If necessary, however, you can use the supplied plastic screwdriver

(see #8 below) to raise or lower the VT3L / VT3 Gain control. See the “Setting Up and

Using Your VHF TD Series / VHF Series System”section on page 10 in this manual for

more information.

7: Battery holder - Insert a standard 9-volt alkaline battery here, being sure to observe

the plus and minus polarity markings shown. We recommend the Duracell MN 1604 type

battery. Although rechargeable Ni-Cad batteries can be used, they do not supply adequate

current for more than four hours. WARNING: Do not insert the battery backwards; doing

so can cause severe damage to the VT3L / VT3 and will void your warranty.

8: Plastic screwdriver - Specially designed for use in adjusting the VT3L / VT3 Gain

control (see #7 above) and/or receiver Squelch control (see #4 on pages 3 and 5). See the

“Setting Up and Using Your VHF TD Series / VHF Series System”section on page 10 in

this manual for more information.

* Be sure to mute the audio signal at your external mixer or amplifier before turning

transmitter power on or off, or an audible pop may result.

ENGLISH

INPUT

SAMSON

GAIN POWER

▲

VT3

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