Magenta Car Satellite TV System 250A User Manual

MultiView  
250A  
Receiver  
Quick Reference  
&
Setup Guide  
Magenta Research  
Magenta Research  
934 Federal Road, Brookfield, CT 06804 USA  
(203) 740-0592 FAX (203) 740-0596  
934 Federal Road, Brookfield, CT 06804 USA  
(203) 740-0592 FAX (203) 740-0596  
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CHAPTER 1: Specifications  
.
1.Specifications  
Cable Required: Category 5, 5e, 6 shielded or unshielded twisted pair  
2. Introduction  
2.1 Overview  
Compliance: CE; FCC Class A, IC Class/class A  
Magenta’s MultiViewCAT5 Video System MultiView series extends VGA and  
audio signals over ordinary Category 5 cable.  
Video Support: to UXGA (1600x1200 @ 70Hz), RGBHV, RGB, Composite, S-  
Video, Component Video modes  
This manual covers the Magenta MultiView250A CAT5 Video System Series  
Receiver with Audio.  
Maximum  
Resolution and  
Refresh Rate: At 250 ft. (76 m) or less, 1600 x 1200 at 70 Hz  
For information on the respective transmitter unit, please refer to the appropriate  
manual included with the transmitter.  
Required Source  
Impedance: Video OUT: 75 ohms;  
Audio OUT (if any): 600 ohms maximum  
WARNING  
This equipment is not intended for, nor does it support, distribution  
through an Ethernet network. Do not connect these devices to any sort  
of networking or telecommunications equipment!  
Required Destination  
Impedance: Video IN: 75 ohms;  
Audio IN (if any): 600 ohms minimum  
2.2 Equipment You May Also Need  
• 1/8” (3.5mm) Audio cable with RCA jacks.  
• Video cable with HD15 connectors.  
• CAT5 cable.  
Audio  
Characteristics: Channels: Right/Left summed;  
Line Level 600 Ohm Unbalanced  
2.3 Compatible Cabling  
Connectors: (1) 3.5-mm, (1) RJ-45, (1) HD15 F  
Temperature  
CAT5 cabling for the MultiViewSeries must be pinned to the T568B wiring  
specification (see appendix A). We also highly recommend that all CAT5 cables  
be pre-terminated and tested. Cables terminated on-site or in an existing  
infrastructure should be tested before use to ensure compliance with the T568B  
Tolerance: Operating: 32 to 104°F (0 to 40°C);  
Storage: -4 to +140°F (-20 to +60°C)  
Humidity  
Tolerance: Up to 80% noncondensing  
specification. Using incorrectly terminated CAT5 cables can damage the Magenta  
MultiViewSeries.  
Enclosure: Steel  
Power: +5 VDC @ 260 mA max  
Consumption: 1.3 watts maximum  
Size: 0.88 "H x 3.12"W x 3.75"D (2.2 x 7.9 x 9.5 cm)  
Weight: 0.56 lb. (0.26 kg)  
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4
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CHAPTER 3: SETUP & INSTALLATION  
.
3. Setup and Installation  
3.2.2 CONNECTIONS ON THE SINGLE-PORT VGA/AUDIO TRANSMITTER  
3.1 Cabling Considerations  
The single-port units with audio support video and audio signals over CAT5 cable.  
The audio signal is line-level audio, and powered speakers are required. Figure 3-1  
shows the MultiViewSeries UTx transmitter with Audio Transmitter connections,  
and Figure 3-2 shows the MultiViewMV250A receiver connections.  
• We recommend mounting and connecting all cabling to the MultiViewSeries  
components before applying power.  
• Make sure that the CAT5 cable you intend to use has been tested to comply  
with the T568B wiring specification (See Appendix A).  
3.2 Making the Connections  
3.2.1 CONNECTIONS AND SETUP IN GENERAL  
This section contains figures showing connections with the specific MultiView™  
Series models. In general, however, the connection and setup procedure at both  
transmitter and receiver ends is as follows:  
At the transmitter end (refer to the transmitter user guide) :  
1. Connect the source video to the MultiViewSeries transmitter video input port,  
which is an HD15 connector labeled SOURCE IN.  
Figure 3-1. Transmitter connections on the UTx Universal Transmitter.  
2. If desired, attach a local monitor via the local monitor port to LOCAL OUT.  
3. Make your audio connections via the 1/8” (3.5mm) audio connector or phoenix  
connector (transmitter model dependent).  
4. Connect the CAT5 cable to the transmitter.  
5. Apply power on the transmitter. The LED should light and, if there’s a local  
monitor attached, a video image should appear on the monitor’s screen.  
At the receiver end:  
1. Connect the VIDEO OUTPUT HD15 connector to the display unit and attach  
any audio cabling.  
2. Connect a 1/8” (3.5mm) audio cable to the AUDIO OUTPUT connection.  
3. Connect the CAT5 cable to the UTP INPUT connection.  
4. Apply power. The LED should light and video should appear on the display  
(make sure display is powered ON).  
Figure 3-2. Receiver connections on the MultiView 250A.  
5. To adjust video levels see Section 3.4.  
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6  
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CHAPTER 3: Setup and Installation  
.
3.2.3 CONNECTIONS ON THE VGA/AUDIO MULTIVIEW T4  
TRANSMITTERS  
3.2.5 A TYPICAL MULTIVIEW T4 TRANSMITTER–RECEIVER APPLICATION  
Figure 3-5 shows an application in which a MultiViewSeries T4 Transmitter is  
linked to four MultiViewSeries Receivers.  
The MultiView T4 four-port transmitter is used when  
the same signal is distributed to multiple display  
devices. You set it up and cable it the same as you  
would with the single-port transmitter.  
Figure 3-3. T4 Transmitter  
connections with audio  
3.2.4 A TYPICAL SINGLE-PORT TRANSMITTER–RECEIVER APPLICATION  
Figure 3-4 shows a typical application in which the single-unit transmitter  
is  
connected over  
receiver.  
CAT5 to a  
Figure 3-5. MultiView T4 Transmitter to Receiver connections.  
Figure 3-4. Transmitter to Receiver connections.  
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8  
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CHAPTER 3: Setup and Installation  
.
3.3 Configuration Settings  
4. Troubleshooting  
4.1 Common Problems  
The MultiView250A receiver is configurable for various video and audio modes. Note that a  
compatible transmitter unit must be used at the source end. Reference the appropriate transmitter  
user guide or call for technical assistance.  
In most cases, nearly every issue with the MultiViewSeries can be resolved by  
checking the CAT5 termination and making sure that it’s pinned to the  
A dipswitch on the receiver unit is used to set the video and audio configuration mode. Table 3-1  
below shows the configuration settings for SW1 (ON = down, OFF = up)::  
568B wiring specification. However, there may be other problems that cause the system  
to not perform as it’s designed. Below are solutions to the most common installation  
errors.  
NOTE:  
There are no user serviceable parts inside the MultiView 250A receiver. All adjustments are  
performed externally.  
Problem:  
Solution:  
No video signal at the transmitter local port or at the receiver.  
SW1 Configuration Settings  
• Check that both units are powered.  
Ensure Cable Length Compensation Switches are set  
correctly (See Section 3-4).  
SW1 position  
Setting  
1
2
3
Signal  
L/R Audio  
• Make sure the CAT5 cable is terminated correctly per the  
568B wiring specification.  
• Is the display device powered on and functioning?  
ON  
ON  
On  
OFF  
OFF  
Off  
RGBHV  
Problem:  
Solution:  
Poor video quality.  
ON  
OFF  
OFF  
OFF  
OFF  
Video  
Have all receiver adjustments been finished (see section 3.4).  
• Check all cable connections.  
Ensure Cable Length Compensation Switches are set  
correctly (See Section 3-4).  
Composite  
S-Video  
• The video signal’s refresh rate may be set too high for the display.  
Component  
Reset to a lower refresh rate in your monitor-configuration menu.  
OFF  
OFF  
AV Mode  
Composite  
+ Stereo Audio*  
Problem:  
Solution:  
Poor audio quality.  
• Powered speakers are required. Make sure speaker power is  
ON.  
• Check input source levels from the source device. Make sure  
the audio source is not overdriven or underdriven.  
*AV mode carries all signals on the 15HD Video Output connector.  
See Appendix A for pinouts  
Table 3-1. MultiView 250A Receiver Configuration Settings.  
3.4 Video Adjustment  
Problem:  
Solution:  
Green shift” or “green washout” on multimedia signals.  
The standard video model is designed to function with DC  
coupled signals in which the black level is referenced to 0 volts.  
Nearly all VGA cards function this way.  
The only adjustments required on the MultiView 250A receiver are the SW1 positions 4 and 5  
which must be set to compensate for cable length. Using the table below as a guide, turn SW1  
positions ON or OFF for best picture clarity (ON = down, OFF = up):  
Some media servers and inexpensive VGA DA’s, however, provide  
AC coupled signals and can cause a green color shift in the video.  
This is a result of the sync clamping on the red and blue channels of  
the video/serial model.  
For five-component (RGB/H&V) AC coupled video, the  
MultiViewSeries UTx Universal transmitter  
has been designed with full DC restoration capability. This  
problem is easily solved via a simple switch setting in the UTx  
Transmitter. Please refer to the UTx Transmitter user manual.  
Cable distance EQ settings  
SW1 position  
4
5
OFF  
ON  
OFF  
OFF  
ON  
Short (0-75 ft)  
Medium (75-150 ft)  
Long (150-250 Ft)  
OFF  
Table 3-2. Cable Length EQ Settings.  
9  
10  
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APPENDIX A: Cabling Pinouts  
.
Appendix A. Cabling Pinouts  
Appendix A. Cabling Pinouts  
Table A-2. T568B CAT5 pinout  
Table A-1. HD15 video connector.  
Pin RGBHV RGBS  
RGsB  
Com- SVHS YUV Composite  
(VGA)  
posite (Y/C)  
Video  
& Stereo  
Audio  
1
2
Red +  
Red +  
Red +  
C+  
V+  
Y+  
U+  
Audio Left  
C+  
Green+ Green+ Green+  
C+  
Y+  
3
Blue+  
Blue+  
Blue+  
Audio Left  
4
5
Gnd  
Red-  
Gnd  
Red-  
Gnd  
Red-  
6
C-  
Y-  
V-  
Y-  
U-  
Shield  
C-  
7
Green- Green- Green-  
C-  
8
Blue-  
Blue-  
Blue-  
Shield  
9
Table A-3. 1/8” (3.5 mm) Audio Connection  
10  
11  
12  
13  
14  
15  
Gnd  
Gnd  
Gnd  
Gnd  
Pin  
Channel 1 Channel 2  
Tip  
+
H Sync C Sync  
Ring  
+
V Sync  
Gnd  
Sleeve  
-
-
Gnd  
Note: The stereo audio input at the transmitter is summed and output as  
mono audio on both channels at the receiver.  
11  
12  
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