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.

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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

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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)
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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
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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
/
=-
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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
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@ 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.

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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
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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.
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\ . -- .
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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.
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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
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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;
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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
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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.
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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
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The third channel selection m ode
AV 1 AV2 C H1 CH2 CH3 CH4
Q 0 0 0 0 ~ . ~
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TRV2400
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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~
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Tips:
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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