VoiceLift™ Microphone
Installation Guide for VLM 1000 and VLM 2000
68-1629-01
Rev. A
01 09
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Introduction — Overview
FCC Class B Notice
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to
part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference
in a residential installation. This equipment generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause harmful interference to radio communications.
However, there is no guarantee that the interference will not occur in a particular installation. If this equipment
does cause harmful interference to radio or television reception, which can be determined by turning the
equipment off and on, the user is encouraged to try to correct the interference by one or more of the following
measures:
•
•
•
•
Reorient or relocate the receiving antenna.
Increase the separation between the equipment and receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/TV technician for help.
About This Guide
This manual covers the installation of the Extron VoiceLift™ Microphone as part of an Extron PoleVault™ system.
The VoiceLift VLR 102 receiver can be installed in a drop ceiling, a standard junction box, an octagonal ceiling box, or
on a wall. It is assumed that the installer has some knowledge of and experience with A/V, electrical, or electronic
device installation. This manual guides the A/V installer through the steps to install and connect each component of
the system.
The VoiceLift Microphone
The Extron VoiceLift Microphone is an easy-to-use, low-power, classroom amplification system that ensures the
teacher can be clearly heard at a comfortable level throughout the classroom. Speech is picked up by the pendant
microphone worn by the teacher and is transmitted wirelessly to a base station receiver. The signal is then fed to the
PVS 204SA PoleVault Switcher, which powers strategically placed loudspeakers to improve the signal-to-noise ratio
of the teacher's voice above ambient noise level.
SI 3C LP
Plenum Full-Range
Ceiling Speakers
Free
GlobalViewer
Software
VoiceLift
Receiver
TCP/IP
Network
1
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VIDE
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PLI
FIE
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OUT
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/MIX
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IN
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Tx
R
232
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C/IR
12V
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hms
/8
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A
B
DC
V
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L
10V
V
OL/MUTE
PVS 204SA
PoleVault®
Switcher / Amplifier
1
VIDEO
Y
A
VoiceLift
Pendant
Microphone
DISPL
ON
X
AU
F
OF
VIDEO
PC
VOLUME
IMAGE
MUTE
CONFIG
MLC 104 IP Plus
MLC 104 IP Plus
MediaLink
Controller
VoiceLift Microphone installation and wiring overview
1-1
VoiceLift Microphone Installation • Introduction — Overview
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Introduction — Planning
Before You Begin — Planning the Installation
Before starting installation, you must consider several major factors to ensure that the installation of the VoiceLift
Microphone is as smooth and trouble free as possible, and that the result meets the needs of the users. Placement
of the receiver (sensor location) is very important for optimal performance of the VoiceLift Microphone. Because
IR technology requires line-of-sight placement, take into consideration anything that could impact or block the
transmission of the IR signal from the microphone to the receiver.
The lists on the following pages, though not comprehensive, should be consulted to help ensure that key aspects
have been considered.
1. Room layout
The application diagram below shows a typical classroom installation incorporating the VoiceLift Microphone.
VLP 102
Pendant
Microphone
PO
WE
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R
U
12V
3A
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A
W
RGB
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A
x
E
PVS 204SA
PoleVault
n o
r
t
N
G
T
P
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M
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S
A
LIS
T
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1
7
T
T
A
P
P
/
V
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E
A
R
A
O
S
VID
EO
S
T
U
HIG ON
AS
P
FIL
H
S
STE
ON
E
AM
PLI
TER
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FIE
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A
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OU
OF
X/M
I
TPU
F
X
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DU
RS
M
O
A
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Tx -23
Rx
2
M
NO
I
L
/8
R
/
Ohm
s
12
R
A
DC
C
V
O
L
10
V
O
L/M
UTE
Switcher
O
I
N
AUDI
IN
ER
MPUT
CO
VLR 102
Receiver
SI 3C LP
Plenum Full-Range
Ceiling Speakers
IN
AUDIO
VIDEO
L
R
I
1
EO
X
VID
Y
LA
SP
DI
AU
O
OFF
IDE
V
ON
PC
ME
VOLU
AGE
FIG
IM TE
MU
CON
Plus
IP
04
MLC
1
TCP/IP
Network
Ext
ro
n
VLC 102
Desktop Charging
Station
Typical classroom installation
Due to the operating frequencies of the microphone and receiver, lighting fixtures such as fluorescent lights and
N
plasma displays should not affect performance of the system.
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Room considerations
Room factors to be considered should include, but are not confined to:
•
Room configuration
Room size, orientation, and layout
Location of windows, doors, skylights, etc., for potential light interference
Alcoves, bays, or sheltered areas
Location of any dark or covered walls (Dark surfaces reduce reflection of the IR signal.)
– Wall art
– Curtains/blinds
– Acoustical panels
– Wall material/texture
•
Line-of-sight obstructions between microphone and receiver
Existing movable furniture (desks, tables, podiums)
Existing installed furniture (bookcases, racks, cabinets, workbenches, sinks, etc.)
Support pillars
Projector
•
•
Ceiling and wall type (important in assessing the installation hardware needed)
Ceiling type (drop, spline, hard lid, etc.); structural type (wood, concrete, trusses)
Wall type (drywall, cement, brick, etc.)
Receiver location
Best location: on the ceiling, at the middle of the classroom
If ceiling mounting is not possible, place high and centered on the longest wall.
Locations to avoid:
–
–
–
–
Places where line of sight could be obstructed; e.g., too close to the projector
Corners of the room
On walls, at less than 6' or more than 12' up from the base
Areas that receive direct sunlight
PVT A/V Wallplate Location
Screen/White
Teacher’s Desk
Board Location
Potential
TV / VCR / DVD
Inputs
VLR 102 IR
Receiver
Locations
MLC Controller
Location
Projector/
Switcher
Location
Speaker
Locations
Student Desks
Example of a classroom installation
VoiceLift Microphone Installation • Introduction — Planning
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1-3
Introduction — Planning, cont’d
•
Optional VLR 102SR Secondary receiver. One or more secondary receivers (VLR 102 SR) may be needed if any
of the following conditions exist:
The room is larger than 40' by 40'.
Obstructions exist between the microphone and the receiver.
The room is odd-shaped, e.g., L-shaped or long.
The room has recessed or sheltered areas, such as alcoves or bays.
The room has large windows or windows on multiple walls.
Portions of the walls are dark and/or covered. Dark surfaces reduce signal reflection. Take the following into
consideration:
– Wall art
– Curtains/blinds
– Acoustical panels
– Wall material/texture
The following diagrams show examples of secondary receiver placement.
Receiver and one secondary receiver in an
odd-shaped room
Receiver and one secondary receiver
in a long room
Receiver and three secondary receivers in a large room, or a room with
dark walls, obstructions, and/or windows
1-4
VoiceLift Microphone Installation • Introduction — Planning
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Introduction — Inventory Overview
2. Inventory
a. Included items
The VoiceLift Microphone is shipped in one box and is available in two package configurations:
• VLM 1000 (part #42-139-01): one VLP 102 pendant microphone, a VLR 102 Receiver, and a wall charger.
•
VLM 2000 (part #42-139-02): two VLP 102 pendant microphones, a VLR 102 Receiver, and a VLC 102
charging station.
Carefully check all the received items against the following inventory lists.
VoiceLift Microphone Devices and Hardware
VLM 2000 VoiceLift Microphone
VLM 1000 VoiceLift Microphone
#42-139-02
#42-139-01
P W R
P W R
P W R
C
Extr
on
C
Extr
on
CAHRGE
Extr
on
O
ON
ON
O
OFMUTE/CHG
OMFUTE/CHG
VLR 102
IR Receiver
VLR 102
IR Receiver
VLP 102
Pendant Microphones (2)
VLP 102
Pendant Microphone
Adapter
VLC 102
Charging Station
Adapter
Wall Charger/
Power Supply
Z Bracket
and Screw
AA Rechargeable
Battery
Lanyard
Lanyard (2)
Z Bracket
and Screw
Wall Charger/
Power Supply
AA Rechargeable
Batteries (2)
15’ Ethernet Cable
15’ Ethernet Cable
VLP 102 Pendant Microphone
VLR 102 IR Receiver
RJ-45 to C/S adapter
Wall charger/power supply
Ethernet cable, 15 ft.
Battery, AA 2500mAh
Lanyard
Z bracket
VLP 102 Pendant Microphones (2)
VLR 102 IR Receiver
VLC 102 Charging Station
RJ-45 to C/S adapter
Ethernet cable, 15 ft.
Batteries, AA 2500mAh (2)
Lanyard (2)
Z bracket
Z bracket screw
Z bracket screw
Wall charger/power supply
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1-5
Introduction — Inventory Overview, cont’d
If any items in the VoiceLift Microphone boxes are damaged or missing, contact the Extron Technical Hotline
(see rear cover for contact numbers).
N
b. Items not included
The following items are not included. However, some or all of these items may be needed for the installation at your
particular site.
•
•
Additional length of RJ-45 cabling (CAT 5, 5e, or 6 with T568A or T568B straight-through wiring)
Installation hardware (may vary by installation):
Electrical ceiling box, 3.5" or 4.0"
Junction box
Plaster ring
Raceway
Bolts for concrete structural ceilings where needed
Dry wall anchors and screws
Spare ceiling tiles in case of accidental damage during installation
Safety wire, lag eye bolts, and strain reliefs
Heat shrink, extension cord
c. Optional items
The optional items suggested below can be added to or substituted for items in the standard VoiceLift Microphone
kit.
•
•
•
•
•
•
•
•
•
VLR 102 SR Secondary VoiceLift Receiver
VLC 102 Charging Station
VLP 102 pendant microphone (additional)
Wall charger
Headset microphone
Lapel microphone
Lanyard
Lanyard clip
IPL T S1 Ethernet Control Interface
d. Installation tools:
•
•
•
•
•
•
•
•
•
•
Tape measure
Screwdriver set and Tweeker
Hole saw, keyhole saw, or razor knife
Appropriate drill and bit set for the mounting surface
Stud finder
Flashlight
Safety goggles
RJ-45 crimpers and connectors (plenum rated, if applicable)
Zip ties
Vacuum cleaner
VoiceLift Microphone Installation • Introduction — Inventory Overview
1-6
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Installation — Overview
For operation and setup of other Extron PoleVault system components mentioned in this guide, refer to
N
the appropriate user manual provided with each product.
This overview outlines the basic steps for installing the VLR 102 VoiceLift Receiver. Detailed descriptions with
illustrations of these steps are provided in three sections, stages One through Three. If VLR 102 SR Secondary
Receiver(s) are being used with your system, this installation procedure applies to them as well.
N
•
Additional installation hardware is needed for this installation, and should be supplied by the installer. See
“Items not included,” in chapter 1, “Introduction,” for a list of items that you may need.
•
Optional accessories may be desired for this installation. See “Optional items”, in chapter 1, “Introduction,” for
•
•
Refer to local building standards and codes to verify that the installation will meet all the regulatory requirements.
Observe all local and national building and safety codes, UL requirements, and ADA Accessibility Guidelines.
Mounting the VoiceLift
receiver to a wall
Mounting the VoiceLift
receiver in a drop ceiling.
Mounting the VoiceLift
receiver in a junction box
The following pages contain instructions for installing the VLR 102 IR Receiver. Where possible, line drawings and
photos from an actual installation are used to clarify some of the steps discussed in the text. Each image has a number
corresponding to the step that is being described (e.g., Ñ).
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2-1
Installation — Overview, cont’d
Outline of installation steps
Stage 1 — Install the VLR 102 Receiver
Drop ceiling:
c
c
c
Cut a hole in the ceiling tile. (page 2-4)
Mount the receiver housing to the ceiling tile. (page 2-4)
Attach a conduit to the back plate if needed. (page 2-5)
Junction box:
c
c
c
Install the junction box. (page 2-6)
Attach the receiver housing to the junction box. (page 2-6)
Attach a conduit to the junction box if needed. (page 2-6)
Wall or other hard surface:
c
c
c
Install a raceway if needed. (page 2-7)
Mark the mounting screw locations on the surface. (page 2-7)
If using a raceway, remove the appropriate knockout in the receiver
housing. (page 2-7)
c
Mount the receiver housing to the surface. (page 2-8)
Stage 2 — Connect the VLR 102 Receiver to the PoleVault System
c
c
c
c
Pull the cables to the receiver. (page 2-10)
Connect the cables to the receiver. (page 2-10)
Attach the receiver dome to the housing. (page 2-11)
Pull cables to the PoleVault switcher. (page 2-13)
Stage 3 — Configure and Test the System
c
c
c
c
Configure the system. (page 2-14)
Set up the microphone. (page 2-14)
Test the system. (page 2-14)
Complete the installation. (page 2-15)
2-2
VoiceLift Microphone Installation • Installation — Overview
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Installation — Stage 1
Stage 1
For instructions on the type of installation you are planning, proceed to one of the pages listed below:
• Drop ceiling — page 2-4
• Junction box — page 2-6
• Wall or other hard surface — page 2-7
This stage consists of installing the pieces of hardware shown below.
Z bracket and mounting screw
(for installation in a drop ceiling)
Conduit Knockouts (2)
Raceway Knockouts (2)
Receiver
Housing
Back Plate
Where it goes:
The mounting screw passes
through the receiver’s back
plate, through the hole in the
ceiling tile, then through the ring
in the bracket. The bracket is
attached to the screw on the back
side of the ceiling tile.
What it does:
Fastens the receiver to a tile in a
drop ceiling.
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2-3
Installation — Stage 1, cont’d
Installing the Receiver in a Drop Ceiling
1. Cut a hole in the ceiling tile.
a. Remove the ceiling tile in which the receiver will be
installed.
b. Determine the hole location, then cut a hole in the ceiling
tile 2" to 3.5" in diameter, using a circular saw (shown at
right) or other type of saw. (Saws are not included.)
This hole should be large enough to expose the
conduit knockout and the hole for the mounting
screw in the receiver back plate, but it should not
exceed the diameter of the receiver housing.
N
2. Mount the receiver housing to the
ceiling tile.
a. Insert the ceiling bracket screw through the back plate
(attached to the housing) and the hole in the ceiling tile.
b. Attach the Z bracket loosely to the screw on the back side
of the ceiling tile.
c. Align the back plate knockout over the hole in the ceiling
tile.
d. Tighten the screw to secure the back plate with the
housing to the ceiling tile.
e. Replace the ceiling tile.
Secure the back plate to the ceiling
tile and the Z bracket.
ï
2-4
VoiceLift Microphone Installation • Installation — Stage 1
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3. Attach a conduit to the back plate if
needed.
If desired, attach a conduit to the open knockout in the
back plate.
Observe all local and national building and
safety codes to ensure that the installation
meets all regulatory codes.
N
Attach a conduit to the back plate if
desired.
c
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2-5
Installation — Stage 1, cont’d
In
1
ting Screws
2
eceiver housing to the
x.
3. Attach a conduit to the junction box if
needed.
Observe all local and national building and safety
N
codes.
Attach a conduit to the junction box if
needed.
c
2-6
VoiceLift Microphone Installation • Installation — Stage 1
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Installing the Receiver in a Wall or
1. Install a raceway if needed.
If using a raceway for the cables, install it at the appropriate
location on the mounting surface.
Raceway knockouts on the receiver housing fit
common types of raceways such as the Wiremold
500/700 series and the Wiremold 2400 series.
N
2. Mark the mounting screw locations on
the surface.
Use the receiver housing to mark the screw locations on the
mounting surface.
3. If using a raceway, remove the
appropriate knockout in the receiver
housing.
Raceway
Knockouts (2)
a. Use a knife to score around the edge of the selected
knockout to create a clean edge.
b. Press on the scored section to remove it.
Remove a raceway knockout from the
chousing, if needed.
VoiceLift Microphone Installation • Installation — Stage 1
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2-7
Installation — Stage 1, cont’d
4. Mount the receiver housing to the
surface.
If not using a raceway:
Mount the receiver housing and base to the surface, using
the appropriate screws for the type of surface. (Screws
and wall anchors are not included.)
Mount the
mounting
Ü
If using a raceway:
a. Position the receiver housing with the raceway
inserted through the knockout.
b. Mount the receiver housing and base to the surface,
using the appropriate screws for the type of surface.
(Screws and wall anchors are not included.)
If using a r
áraceway th
mount the
2-8
VoiceLift Microphone Installation • Installation — Stage 1
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ge 2
ms shown below.
Receiver dome
VoiceLift Adapter
RJ-45 Connectors
Connector to
Aux/Mix In Port
Locking
Tab (4)
Ethernet Port
for VLR 102
Receiver
Connector to
RS-232/MLC IR
Port
DIP Switches
Locking Tab
with Arrow
Port for MLC
Control Panel
Captive Screw Connectors
Where it goes:
What it does:
Connects to the PVS 204 SA
PoleVault switcher.
Where it goes:
What it does:
Attaches to the receiver’s housing
with a 1/8 clockwise turn.
Enables power and audio
between the VoiceLift Receiver
and the PVS 204 SA Polevault
switcher.
Contains the photodiode IR
sensors; captive screw connectors
for auxiliary input, RS-232,
contact input, and relay output;
RJ-45 connectors for power,
communication, and audio output;
and two DIP switches.
Ethernet cable
CAT 5, 5E, or 6 with T568A or T568B straight
through wiring
Where it goes:
What it does:
Attaches to the receiver’s
RJ-45 OUT port and to the
VoiceLift Adapter’s RJ-45 port.
Provides power to the receiver
and enables communication and
audio between the receiver and
the PoleVault switcher.
VoiceLift Microphone Installation • Installation — Stage 2
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2-9
Installation — Stage 2, cont’d
1. Pull the cables to the receiver.
a. Pull the communication/power Ethernet cable through
the receiver’s base, along with any other cables that will
be attached to the receiver (RS-232, Ethernet cable to a
secondary receiver, etc.)
Pull the cable(s).
Ä
b. If mounting to a wall and using a raceway, place the
cables in the raceway and replace the raceway cover.
Place the cables in the raceway and
replace the raceway cover.
Å
2. Connect the cables to the receiver.
a. Connect the Ethernet cable to the Receiver Out port (the
RJ-45 connector on the left on the receiver base).
Connect the Ethernet cable to the
Receiver Out RJ-45 jack.
Ç
2-10 VoiceLift Microphone Installation • Installation — Stage 2
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2. Connect the cables to the receiver
(continued).
b. Install any optional devices and connect their cables to
OUT
IN
the appropriate ports on the receiver base.
c. If desired, set the Tone and Mix DIP switches on the
receiver base.
+
• Mix (1): Up = Mix auxiliary input and microphone
together on microphone output.
Down = Output the microphone and aux
input separately (default).
• Tone (2): Up = Enable the microphone volume change
alert tone (default).
1
2
O
N
Base Plate
Down = Disable the microphone volume
change alert tone.
CTS-2
TONE
MIX
Set the Tone and Mix DIP switches
(optional).
É
3. Attach the receiver dome to the
housing.
a. Locate the locking tab on the receiver dome that contains
an arrow etched into its surface.
Locate the locking tab marked with the
Ñ arrow.
b. Locate the arrow on the rim of the receiver housing.
Locate the arrow on the housing rim.
Ö
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2-11
Installation — Stage 2, cont’d
3. Attach the receiver dome to the
housing (continued).
c. Place the dome onto the housing, aligning the arrow on
the dome’s locking tab with the arrow in the housing
rim. The two tabs in the housing should slide into the
two slots in the base.
Tab
Arrow
Dot
Arrow on Housing
Tab
Align Arrows
Twist to
Lock
Arrow
Receiver
Dome
Arrow on Tab
Align the arrows on the housing rim and
the dome tab.
ñ
d. Twist the dome to the right (clockwise) until it locks in
place (approximately 1/8 turn). The dot on the rim of
the housing should now align with the arrow on the
dome’s locking tab.
Dot on Housing
Arrow on Tab
The arrow on the dome tab aligns
with the dot on the housing rim when
the dome is locked into place.
õ
2-12 VoiceLift Microphone Installation • Installation — Stage 2
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4. Pull cables to the PoleVault switcher.
a. Pull the cables from the receiver to the PoleVault
switcher’s location.
b. Remove the base of the PMK Pole Mount Kit to access
the switcher.
c. Run the cables down through the top of the pole and
out through the access hole.
Run the cable(s) through the projector
pole.
ó
5. Connect cables to the PoleVault
switcher.
a. Disconnect the cable from the PoleVault switcher’s
5-pole RS-232 MLC/IR port, and disconnect the power
cable from the switcher.
b. Connect the VoiceLift adapter to the PoleVault
switcher as follows:
•
Connect the adapter’s three-pole captive screw
connector to the switcher’s three-pole Aux/Mix In
port.
•
Connect the adapter’s five-pole connector to the
switcher’s RS-232 MLC/IR port.
c. Connect the Ethernet cable to the VoiceLift adapter’s
RJ-45 jack.
–
Connect the adapter to the
PoleVault switcher.
âú
d. Connect the MLC controller’s power/communication
cable to the VoiceLift adapter’s five-pole captive screw
connector.
e. Reconnect the power cable to the PoleVault switcher.
5-pin Connector in
RS-232 MLC-IR Port
3-pin Connector
in Aux/Mix In Port
f. Reattach the bottom section of the PMK (containing
the switcher) to the top section.
MLC Pwr/RS232
Cable in MLC Port
Ethernet Cable
in RJ-45 Jack
Connect the MLC cable to the adapter’s
five-pole MLC connector.
ù
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2-13
Installation — Stage 3
Stage 3
1. Configure the system.
Follow the steps in your PoleVault installation guide to
configure the PoleVault system.
2. Set up the microphone.
(Refer to the VoiceLift Microphone Setup Guide card, provided
with your microphone, for details of these procedures.)
2d
a. Set the channels using the rotary switch.
b. Apply the Teacher or Student label to the back of the
microphone.
c. Remove the battery door and insert the battery.
d. Attach the lanyard to the rotating clip.
2c
2a
2b
–
Set up the microphone.
Ç ï
3. Test the system.
P W R
a. Power on all devices. The Power LEDs on the
microphone and receiver should light green.
b. Test the microphone for audio. Make sure that the
microphone is in the middle of the volume range by
pressing the Volume buttons to lower the levels all the
way down, then to raise them up six steps.
CAHRGE
Ext
r
o
n
Power On/Of
ON
Volume Up
OMFUTE/CHG
Volume Down
–
Test the microphone for audio.
Ñ Ö
2-14 VoiceLift Microphone Installation • Installation — Stage 3
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3. Test the system (continued).
c. Use a screwdriver to adjust the audio to the proper
level by rotating the Aux/Mix encoder on the PoleVault
switcher’s front panel.
Turn Aux/Mix
Encoder.
Min/Max LED
The Aux/Mix distal encoder has a full range
of approximately two rotations. Minimum and
maximum levels are indicated by the red
N
Min/Max LED located at the left of the encoder.
d. Walk around the room to check for sound quality and
coverage.
Adjust the audio level.
ñ
The audio should be barely audible to the person
speaking if the levels are adjusted properly. Have
another person listen for the sound quality.
T
e. If you experience feedback, reduce the audio levels by
turning the Aux/Mix encoder counterclockwise.
4. Finish the installation.
a. Test any optional devices that have been installed.
Front
Plate
b. Reattach the front plate of the PMK.
FRONT
Tighten Front
Plate Screws (2)
REAR
Reattach the front plate of the PMK.
á
VoiceLift Microphone Installation • Installation — Stage 3
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2-15
Optional Installation Example — Instant Alert
Installation Example — Setting Up an Instant Alert
The following pages describe an example of an optional instant alert setup, in which the relay port of the VLR 102
is connected to a digital I/O port of an Extron MLC 104 IP Plus. This enables e-mail alerts to be sent out when both
Volume buttons of the VLP 102 microphone are pressed and held for 3 seconds.
1. Connect the receiver to the
MLC 104 IP Plus.
a. Wire one of the provided two-pole captive screw
connectors to one end of a communication cable.
b. Plug the communication cable into the receiver’s RLY
port.
If the MLC controller and the PoleVault switcher
are using separate power supplies, ground the
Relay port common pin to the receiver using a
jumper between the common pin and the ground
pin on either the Contact input, the Aux Input, or
the RS-232 port.
N
Connect a communication cable to the
VLR 102 RLY port.
Å
For separate power supplies, jumper-
connect the C pin of the Rly port to the
ground pin of the CTC, Aux In, or RS-232
port.
c. Pull the communication cable to the MLC 104 IP Plus
location.
d. Connect the other end of the cable to a direct-insertion
Digital I/O port on the MLC:
•
•
Insert the black wire into the Ground port.
Insert the red wire into the first available Digital I/O
port.
Connect the communication cable to
an MLC Digital I/O port.
û
2-16 VoiceLift Microphone Installation • Optional Installation Example — Instant Alert
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2. Configure the MLC 104 IP Plus.
a. Using Global Configurator, configure the MLC’s
Digital I/O port for digital input with pull-up.
Configure the MLC’s Digital I/O port for
digital input with pull-up.
Ç
b. Configure a monitor to send an e-mail when the
Digital I/O port closes.
Refer to the Global Configurator help file for
N
MLC configuration instructions.
3.Test the instant alert notification.
a. Ensure that the MLC 104 IP Plus is connected to the
network.
b. Press and hold the two Volume buttons on the
microphone simultaneously for 2 seconds. The
receiver’s LED blinks alternating amber and green.
Make sure that the microphone is on either
N
channel A or channel B.
Press and hold both
volume buttons
simultaneously.
Press and hold both Volume buttons
for 2 seconds.
Ö
c. Check for the arrival of the e-mail notification.
VoiceLift Microphone Installation • Optional Installation Example — Instant Alert
2-17
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Reference Information
Specifications — VLR 102 and VLR 102 SR
Audio
Tone control.................................... On or off, switch selectable
Audio input
Number/signal type
VLR 102............................... 1 infrared from VLM microphones
1 mono, balanced, aux/mix input
1 mono, balanced, from optional VLR 102SR
VLR 102SR.......................... 1 infrared from VLM microphones
1 mono, balanced, from optional VLR 102SR
Connectors
VLR 102............................... (1) 3.5 mm captive screw connector, 3 pole, for aux input
(1) RJ-45 female for input from a VLR 102SR
VLR 102SR.......................... (1) RJ-45 female for input from a VLR 102SR
0 dBu = 0.775 Vrms, 0 dBV = 1 Vrms, 0 dBV ≈ 2 dBu
N
Audio output
Number/signal type..................... 1 mono, balanced, line level
Connector....................................... (1) RJ-45 female (shared with power input and some serial communication)
Pin configuration........................... 1 = mic +, 2 = mic -, 3 = aux +, 6 = aux -, 8 = GND
Nominal level ................................ -10 dBV (316 mVrms)
IR sensor
Receiver type ................................. Superheterodyne IR sensor
Photodiodes ................................... 6, radially spaced
Receiving frequencies................... 2.3 MHz, 2.8 MHz
Operating distance........................ 40' (12.2 m) maximum, line-of sight, typical
Reception area ............................... 1600 square feet (148.6 square meters) per VLR 102
Reception angles............................ 360° horizontal, 60° vertical
Control — host ports, VLR 102 only
Serial host port............................... 1 RS-232, 3.5 mm captive screw connector, 3 pole
Baud rate and protocol................. 38400 baud, 8 data bits, 1 stop bit, no parity
Serial control pin configuration .. 1 = TX, 2 = RX, 3 = GND
Control — relay output, VLR 102 only
Number/type ................................ 1 normally open
Connector....................................... (1) 3.5 mm captive screw connector, 2 pole
Pin configuration........................... NO = normally open, C = common
Contact rating ................................ 24 V, 1 A
Control — contact closure (VLR 102 only)
Number/type ................................ 1 contact closure input
Connector....................................... (1) 3.5 mm captive screw connector, 2 pole
Pin configuration........................... IN = contact input, GND = GND
2-18 VoiceLift Microphone Installation • Reference Information
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General
Power.............................................. 12 VDC supplied by an Extron PoleVault® amplifier or from an optional
external power supply via an RJ-45 jack shared with audio output (pin 5 =
+12 VDC input, 8 = GND)
Power input requirements
VLR 102............................... +12 VDC, 0.25 A
VLR 102SR.......................... +12 VDC, 0.15 A
Temperature/humidity................ Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing
Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing
Cooling ........................................... Convection, no vents
Mounting........................................ Mountable to a ceiling or wall
Enclosure type ............................... High impact plastic
Enclosure dimensions................... 3.4" H* x 4.75" diameter
(8.6 cm H* x 12.1 cm diameter)
*Height is measured out from the mounting surface.
Product weight .............................. 0.8 lb (0.4 kg)
Shipping weight ............................ 1 lb (1 kg)
Vibration......................................... ISTA 1A in carton (International Safe Transit Association)
Regulatory compliance
Safety................................... CUL, UL
EMI/EMC .......................... FCC Class B
Environmental................... Complies with the appropriate requirements of RoHS and WEEE.
MTBF............................................... 30,000 hours
Warranty......................................... 3 years parts and labor
All nominal levels are at ±10%.
N
N
Specifications are subject to change without notice.
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2-19
Installation — Reference Information, cont’d
Specifications — VLP 102 VoiceLift Microphone
Audio/acoustic and electrical
Microphone type........................... Omnidirectional electret condenser
Microphone gain ........................... -6 dB to +6 dB, adjustable in 1 dB steps
Audio input
Number/signal type..................... 1 mono, via integrated electret condenser microphone or
1 mono, unbalanced, via auxiliary mic input jack with 3.3 VDC plug-in power;
and
1 stereo, unbalanced, via auxiliary line input jack, mixed with mic input
Connectors ..................................... (1) 3.5 mm mini audio jack (tip = left, ring = right, sleeve = GND) for
auxiliary line input (Audio In)
(1) 2.5 mm mini audio jack (tip = signal + bias voltage, sleeve = GND) for
auxiliary mic input (Mic)
IR transmitter (microphone transmission)
Signal type...................................... Infrared output
Carrier frequencies........................ A and C: 2.3 MHz (selectable)
B and D: 2.8 MHz (selectable)
Operating range ............................ 40' (12.2 m) line of sight
Transmission angles...................... 150° horizontally and 90° vertically
General
Power.............................................. Supplied by an internal battery
Charger requirements................... +5 VDC, 0.5 A on a 3.5 mm o.d. DC power jack, center pin positive
Batteries
Number/type .................... 1 AA size NiMH or alkaline battery
Operating time (h:mm)..... Rechargeable 2700 mAh NiMH batteries: up to 8 hours, continuous use
Alkaline batteries: up to 8 hours, continuous use
Recharging time ................ 6 hours for a 2700 mAh NiMH battery
Temperature/humidity................ Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing
Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing
Cooling ........................................... Convection, no vents
Mounting........................................ Can be used as a pendant with the included lanyard.
Enclosure type ............................... High impact plastic
Enclosure dimensions................... 4.7" H x 1.4" W x 1.1" D*
(12.0 cm H x 3.5 cm W x 2.9 cm D*)
(*Depth includes clip. Depth without clip = 0.9" [2.3 cm])
Product weight .............................. 1.7 oz (50 g) without battery
2.6 oz (75 g) with battery
Shipping weight ............................ 1 lb (<1 kg)
Vibration......................................... ISTA 1A in carton (International Safe Transit Association)
Regulatory compliance
Environmental................... Complies with the appropriate requirements of RoHS and WEEE.
Accessibility ....................... Section 508 of the Rehabilitation Act (29 U.S.C. 794d)
MTBF............................................... 30,000 hours
Warranty......................................... 3 years parts and labor
All nominal levels are at ±10%.
N
N
Specifications are subject to change without notice.
2-20 VoiceLift Microphone Installation • Reference Information
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Specifications — VLC 102 Microphone Charging Station
General
External power supply................. 110 VAC to 130 VAC, 50/60 Hz, external, 2 prong; to 5 VDC, 1 A, regulated
3.5 mm o.d. jack, center positive
Power input requirements........... 5 VDC, 0.5 A
Temperature/humidity................ Storage: -40 to +158 °F (-40 to +70 °C) / 10% to 90%, noncondensing
Operating: +32 to +122 °F (0 to +50 °C) / 10% to 90%, noncondensing
Cooling ........................................... Convection, no vents
Mounting........................................ Set on desktop
Enclosure type ............................... High impact plastic
Enclosure dimensions................... 1.8" H x 4.1" W x 3.0" D
(4.6 cm H x 10.4 cm W x 7.6 cm D)
Product weight .............................. 0.3 lbs (0.1 kg)
Shipping weight ............................ 1 lb (1 kg)
Vibration......................................... ISTA 1A in carton (International Safe Transit Association)
Regulatory compliance
EMI/EMC .......................... FCC Class B
Environmental................... Complies with the appropriate requirements of ENERGY STAR® (ENERGY
STAR qualified power supply, efficiency level IV), RoHS, and WEEE.
MTBF............................................... 30,000 hours
Warranty......................................... 3 years parts and labor
Specifications are subject to change without notice.
N
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2-21
Outline of installation steps
Stage 1 — Install the VLR 102 Receiver
Drop ceiling:
c
c
c
Cut a hole in the ceiling tile. (page 2-4)
Mount the receiver housing to the ceiling tile. (page 2-4)
Attach a conduit to the back plate if needed. (page 2-5)
Junction box:
c
c
c
Install the junction box. (page 2-6)
Attach the receiver housing to the junction box. (page 2-6)
Attach a conduit to the junction box if needed. (page 2-6)
Wall or other hard surface:
c
c
c
Install a raceway if needed. (page 2-7)
Mark the mounting screw locations on the surface. (page 2-7)
If using a raceway, remove the appropriate knockout in the
receiver housing. (page 2-7)
c
Mount the receiver housing to the surface. (page 2-8)
Stage 2 — Connect the Receiver to the PoleVault System
c
c
c
c
Pull the cables to the receiver. (page 2-10)
Connect the cables to the receiver. (page 2-10)
Attach the receiver dome to the housing. (page 2-11)
Pull cables to the PoleVault switcher. (page 2-13)
Stage 3 — Configure and Test the System
c
c
c
c
Configure the system. (page 2-14)
Set up the microphone (page 2-14)
Test the system. (page 2-14)
Complete the installation. (page 2-15)
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