Gadmei GM2400 User manual
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CONTENTS
1. Introduction
1.1
Function and Features
1.2
Application
------------
I
.3
Accessories -----------------------------------------------2
1.4 Technical specifications
---------------------------------2
2. Hardware and Installation
-----------------------------------3
2.1
Transmitter (TXV2400)
Buttons and Rear Panel Instructions
--------------------3
2.2 Receiver (TRV2400)
Buttons and Rear Panel Instmctions
--------------------3
2.3 Placement
of
Transmitter (TXV2
400)-------------------4
2.4 Placement
of
Receiver (TRV2400) -------
----------
-----6
2.5 Placement
of
Antenna
----------
------
------------
-------6
3. Operation Instruction
-----------
-
3.1 Signal Channel Selection
-------------------------------
-7
3.2 Power Switch
---------------------------------------------
7
3.3 Channel Selection -------
--------------
--------
-----------
8
3.4 Infrared control feedback
-------------------------------9
4. FAQ and Troubleshooting ---
-----------------
--
-----------10
Thanks for use GADMEI GM2400 wireless
AN
transceiver!
In order to use
our
product more convenientl
y,
please read this manual carefully.
,
II
~
1
G~DMe.
1. Introduction
GM2400 wireless AIV transceiver consists
of
Transmitter (TXV2400)
and receiver (TRV2400). It adopts advanced 2.4GHz wireless
transmission technology, with strong anti-interference and mobility.
When used in conjunction with set-top box, DVD, VCD and etc, it
can be installed easily, subject to no space limitation and without any
use
of
wire connection.
It
can make audio and video transmitting
easily available in every room at home, letting you enjoy HlFI audio
and video freely at every corner at home.
l.1
Function and Features
• 2.4GHz ISM channel
• Four set
of
transmitting channels can be selected for use, improving
feasibility and reliability
• Transmitter and receiver can be used in match within the same
channel,and one-to-multiple, and multiple-to-multiple are available
• Compatible with
AV
output equipments such as video recorder,
video camera, digital camera and digital set-top box
.433MHz
infrared remote returning transmission, fully compatible
with remote control
of
DVDIVCD
I digital et-top box
• Strong infrared emission,
no
need to install infrared emission
extension cord
• Received image
is
clear and stable, with bright color, and stereo
sound
• Support NTSC/PAL system video and stereophonic audio transmis-
sion
• Complete hardware design, no need to install software, plug and
play, easy and convenient
3
~
2
CiOADMEI
1.2
Application
• A/V to A/V wireless transmission, can be used when many televi-
sions share one DVD/VCD or one digital set-top box and etc.
• Video conference system
in
large conference room, and multimedia
teaching in classroom.
• Connect to pick-up head
fo
r monitoring;can be used
in
security
systems.
• Building and industry monitoring system, long-distance custody
of
children and
patient.
• Places where construction is
di
ff
icult or cost is high.
1.3
Accessories
Transmitter (TXV2400)--------------------------------------------1 pcs
Receiver (TRV2400) --------------------------------------------1pes
Power
adapter---------------------------------------------------2
pes
AV
cable------------
-
----------------------------------2pcs
MMI
AV
cable------------------------------------------------------1pes
User's Manual---------------------------------------------------1
pes
1.4
Technical
specifications
Power
input:
DCSV=200mA
Video
Input:
1Vp-p (PALINTSC)
Audio
input:
::S;
I.SV
p-p(dual
track)
Video output: I
Vp-p
(PALINTSC)
Audio
output:
::S;
I.SVp-p(dual
track)
~
CiOAOMEI
2.
Hardware
and
Installation
2.1
Transmitter
(TXV2400)
Buttons
and
Rear
Panel
Instructions
source
switc
h
I
AV2
input
MMJ
ex
t
en
sio
nA
VI input
Infrared transducer
433MHz
antenna
2.2
Receiver
(TRV2400)
Buttons
and
Rear
Panel
Instructions
source switch
AVoutput
433MHz
antenna
i
4 5
~
---'~~~~
__
CiADMEI
2.3
Placement
of
Transmitter
(TXV2400)
For
normal
transmission,please
place
the
transmitter(TXV2400)
in the
following
two
ways:
e Use
infrared
emitting
equipment
at
the
front
of
Transmitter:
place the
transmitter(TXV
2400)
on top
of
AV
equipments and
keep a distance
of
2-3cm
between
the edge
of
transmitter and the
edge
of
AV
equipments
as the right
picture.Point
it to the infrared
receiving
window
of
AV
equipments.
TXV2400
/
=-
/ I I
~
) te:::!S
r
'
~
2-3cm
Set-top
boxfDVD
play
er
SeHOp box/DVD player
Tips:
• There are words like "infrared
remote
control" or "IR" on the
infrared remote receiving window
of
set-top box
(STB)
or DVD,
please
point
transmitter's infrared
emitting
window
to it.
•
There
are infrared
emitting
windows
at the front and rear side
of
TXV2400,
as the picture:
Rear
infrar
ed
e
millin
g
window
/
h
OOOn
r \
TXV2400
-_
....
'\.
Front
infr
ared
e
mitting
w
indo
w
I
t
I
C;-
CiADMel
__
@ Use
infrared
emitting
equipment
at
the
back
of
transmitter:
place transmitter in front
of
AV
equipments, and point the infrared
emitting window on the back
of
the transmitter the infrared
receiving window
of
AV
equipments.
Make
sure there are no
barriers between them.
SC
HOp
box/
DVD
pl
aye
r
rt
, "
~:--;tJ1
,=,1
Set·
lO
p box/DVD player
TXV2400
Tips:
To
ensure optimal effects, this positioning method is recommended
when condition allows.
6
~
______________
GADMe.
2.4
Placement
of
receiver
(TRV 2400)
Please
place
receiver
(TRV2400)
beside
the
TV
set, turn it on
and
connectAV
cables
according
to
relative
colors
(yellow,white
and
red).
TRV2400
TV
sel
Video (yellow)
'-
_ _
______
Audio
le
ft
(whire)
Audio
ri
ght
(r
ed)
2.5
Placement
of
antenna
~
c
/'
/'
oo~
Please pay attention to the placement
of
433MHz antenna,
ensuring there
is
no barriers around it. The barrier
of
metal will
bring very
bad
influence to the infrared signal. Please straighten
the antenna and place it according to following ways.
m
'c:::::J:::::::
\ .
--
.
\ '
Tips:
The
2.4GHz
antenna
and
433MHz
antenna
of
receiver
and
transmitter
shall
be
correctly
placed,
or
else
it is
easy
to
inference
normal
transmission
of
signal.
~
GADMel
l
3.
Operation
Instruction
3.1
Signal
channel
selection
AVIIAV2 can be switched freely by pressing source button (Please
check hardware instruction for AVl/AV2 input terminal description),
and the signal can be normally transmitted only when transceivers
are in the same channel. When you switch AVI /
AV2
at receiver
(TRV2400), transmitter (TXV2400) will automatically switch signal
channel according to your operation. The situation
of
panel indicator
light is as follows;
TXV2400
PR
(. t ' ,
II
3.2
Power
switch
AV1
AV2
CH
1 CH2 CH3 CH4
-e-
0 0 0 0 0
r I
AVl
selection mode
AV1
AV2
CH1
CH2 CH3 C
H4
~c
0 0 0 I
AV2
selecljon mode
TRV2400
P;
.~
G ' , I)
Press
~
to
connect or cut
off
power
of
2.4GHz transmitter or
receiver, switching its operation mode
of
transmission or non-
transmission. The panel indicator light
of
switch flash as follows;
n .
(~
TXV2
400
(c
~
'
'':
-:\
If
\
AV1
AV2
CH1 CH2 CH3 CH4
c.
p 0
c.
r
,c
0 I
Tum-on:
:
___
~!!l!
_
~_I
:
i~_~
.
?r!a
S
Hi'!l
e
I.
U~~-On:-
AV 1 AV2
CHl
CH2
CH3 CH4
o 0
000
0
I I
Turn-off:
all the panel indicator
li
ghts
ar
e
turned
off
TRV2400
;::;~
F-i
~
9
~
.:iADMEI
3.4
Infrared
Remote
Feedback
GM2400 wireless
AV
transceiver doe
sn't
need specified remote,
but
it has infrared remote feedback function. When emitting
source
came
from set-top box (STB), DVD, video camera with
remote function, remoter
come
with these equipments can be used
directly on the receiver (TRV2400), while you don't have to
operate the remote control
of
theAV equipments.
Step one:
Refer to connecting installation picture, connect transmitter
(
TXV
24
00), and
confirm
there
are
no
barriers
between
transmitter's infrared window and infrared receiving
window
of
program source.
Step two:
When
enjoying
programs
from
receiver
(TRV2400),
point
remoter to remote receiving
window
of
the receiver, then you can
control
AV
equipments, which is easy and convenient for
operation.
Tips:
Please pull 433 Mhz antenna
of
transmitter and receiver as
straight as possible, and keep it far away from
AV
cables,to ensure
no interference to signal transmission. In case
of
infrared remote
malfunction, please check antenna's placement on condition that
there is no
pl
acement problem with the transceiver.
~
8
CiAO/I,U"'.
3.3
Channel Selection
Four
transmission channels
of
2.4GHz
can
be switched freely by
pressing channel switch button.
But
only when the transceiver is
in the same channel
can
video signals be transmitted normally.
Panel indicator
li
ght for each channel selection mode goes as
-
AV1
AV2 CH 1
CH2
CH3
CH4
I o 0
-
.
~
0 0 0
,'"
I
The ftrst cbannel selection mode
AV1
A
V2
CH1
CH2
CH3 CH4
o 0 0 . - 0 0
,'T
I
Th
.
~
sc:c.
o
n
~
cha
nn
el selection
mo~
AV1 AV2 C
H1
CH2 CH3
CH4
o 0 0 0
~.
~
0
,
.,',
The
third channel selection m
ode
AV
1 AV2 C
H1
CH2
CH3 CH4
Q 0 0 0 0
~
.
~
,I l
:
.
'!:~
!:
.
r~urt
h c h
ann~~
.
~~I~_~.
l.i
0n
m
?~
_~
.
TRV2400
;-:~
" , ,
>J
Please select Channel one
or
four, to avoid signal interference by
wireless local area network (LAN),when there is LAN(802.
11
or
WiFi) in your family.
below:
TXV2400
jT~
t ,' , ,)
Tips:
t
10
~
(jAcOME.
4. FAQ and Troubleshooting
• Indicator does not light and there is no image
l.Make
sure there is power supply
of
the transceiver.
2.Change
receiver's
transmitting
channel
(refer
to
operation
instruction/ Channel switch).
3.Adjust transceiver's placement (refer to hardware and installation
instruction).
• Infrared Control Feedback malfunction
I.Make sure that the connection and installation
of
the transmitter is
correct.(refer to hardware and installation instruction).
2.
Please adjust transceiver's antenna and placement (refer to
placement
of
antenna).
• image is interfered
1.
Change receiver's transmitting channel (refer to Channel selection).
2.
Please adjust transceiver's placement (refer to hardware and
installation instruction)
GADMEI-GM2400 User
's
Manual
·Vl .0
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