Extron electronic VLM 1000 用户手册
VoiceLift Microphone Installation • Introduction — Planning
Introduction — Planning
1-2
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
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.
PVS 204SA
PoleVault
Switcher
Switcher
L
R
AUX
/MIX
IN
1B
1A
I
N
P
P
U
T
T
S
O
U
T
U
T
P
U
T
T
S
2B
2A
4
3
RS
-232
MLC
/IR
DC V
OL
4/8
Ohm
s
AM
PLIF
IED O
UTPU
TS
VOL
/MU
TE
Tx
A
B
C
Rx
IR
12V
10V
PO
WER
12V
3A M
AX
US
LISTE
D 17T
T
AUDI
O/VID
EO
APPA
RATU
S
®
RGB
VID
EO
RGB
VID
EO
STE
REO
ON
DUA
L
MO
NO
HIG
H
PASS
FILT
ER
OF
F
ON
Extr
on
PW
R
C
H
A
R
G
E
O
FF
/M
U
T
E
/C
H
G
O
N
Ext
ron
CO
NFIG
DISP
LA
Y
MLC 1
04
IP
Plus
VOLU
ME
1
2
3
4
ON
OFF
VID
EO
AU
X
VID
EO
IM
AG
E
MU
TE
PC
CO
MPUT
ER
IN
AUDI
O I
N
AUDIO
IN
L
R
VIDEO I
N
VLR 102
Receiver
VLC 102
Desktop Charging
Station
Station
VLP 102
Pendant
Microphone
Microphone
SI 3C LP
Plenum Full-Range
Ceiling Speakers
Ceiling Speakers
TCP/IP
Network
Typical classroom installation
N
Due to the operating frequencies of the microphone and receiver, lighting fixtures such as fluorescent lights and
plasma displays should not affect performance of the system.