
The CV-503M HDMI to 3G/HD/SD-SDI Converter has been tested for conformance to safety
regulations and requirements, and has been certified for international use. However, like all
electronic equipments, the CV-503M should be used with care. Please read and follow the safety
instructions to protect yourself from possible injury and to minimize the risk of damage to the unit.
● Do not attempt to service this unit yourself, except where explained in this manual.
● Provide proper ventilation and air circulation and do not use near water.
● Keep objects that might damage the device and assure that the placement of this unit is on a
stable surface.
● Use only the power adapter and power cords and connection cables designed for this unit.
● Do not use liquid or aerosol cleaners to clean this unit. Always unplug the power to the device
before cleaning.
TABLE OF CONTENTS
INTRODUCTION .....................................................................................................................1
FEATURES ..............................................................................................................................1
PACKAGE CONTENTS...........................................................................................................1
SPECIFICATIONS ...................................................................................................................2
SUPPORTED RESOLUTIONS ...............................................................................................3
PANEL DESCRIPTIONS .........................................................................................................4
DIP SWITCH ............................................................................................................................5
EDID LEARNING .....................................................................................................................5
WARRANTY ............................................................................................................................6

INTRODUCTION
The
CV-503M HDM I to 3G/HD/SD-SDI Converter
provides a professional way to convert HDMI to
3G/HD/SD SDI in real time. The conversion between SDI and HDMI is pure digital and guarantees no
loss transformation for both audio and video. Plus, with up to 8 channels audio support, 7.1 channel or 5.1
channel audio becomes available. The CV-503M also provides 2 low jitter SDI outputs for daisy chain or
multiple monitors. With the use of CV-503M, the most popular uncompressed video interface in the
consumer world is readily available for professional SDI equipments!
FEATURES
● Supported high-definition (HD) formats:
NTSC 525@59.94, PAL 625@50, 720p@50,720p@59.94, 720p@60, 1080i@50, 1080i@59.94,
1080i@60, 1080p@23.97, 1080p@24, 1080p@25, 1080p@29.97, 1080p@30, 1080p@50,
1080p@59.94, 1080p@60
Bit Rate: 2.97 Gbps, 2.967 Gbps, 1.485 Gbps, 1.4835 Gbps, 270 Mbps
● Auto 3G/HD/SD-SDI detection
● Support HDMI Deep Color
● Two SDI compliant outputs
● External DIP Switch Configuration
PACKAGE CONTENTS
● 1x CV-503M
● 1x 5V/2A power adapter
● 1x User Manual
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Auto 3G/HD/SD-SDI
detection
[2.97Gpbs & 2.975/1.001Gbps]
[3G] 1080p50/59.94/60 (4:2:2)
[HD] – 720p @50/59.94/60Hz,1080i @50/59.94/60Hz,
1080p @23.98/24/25/29.97/30Hz
[SD] – NTSC @59.94Hz, PAL @50Hz
Internal synchronization or external synchronization
Eye pattern
characteristics
Extra low alignment jitter 0.05UI at HD
Cable equalization
[3G-SDI] up to 90m (300ft)
[HD-SDI] up to 150m (500ft)
[SD-SDI] up to 300m (1000ft)
6-layer board [impedance control — differential 100Ω; single 50Ω]
79 x 84 x 27mm [3.1” x 3.3” x 1.2”]
140 x 200 x 75mm [5.5” x 7.9” x 3”]
420 x 400 x 300mm [1’8” x 1’4” x 11.8”]
Inter-locked power supply
20~90% RH [no condensation]

SUPPORTED RESOLUTIONS
3G-SDI Output
1080p @ 50/ 59.94 / 60Hz SMPTE 424M, SMPTE 425M
HD-SDI Output
720p @ 50Hz SMPTE 296M -3
720p @ 60 / 59.94Hz SMPTE 296M -1, -2
1080i @ 50Hz SMPTE 274M -6
1080i @ 60 / 59.94Hz SMPTE 274M -4, -5
1080p @ 24 / 23.98Hz SMPTE 274M -10, -11
1080p @ 25Hz SMPTE 274M -9
1080p @ 30 / 29.97Hz SMPTE 274M -7, -8
SD-SDI Output
NTSC
PAL B,D,G,H,I

PANEL DESCRIPTIONS
Front Panel
1. HDMI IN: Connects to a HDMI source with a HDMI male-male cable
2. Signal LED:
<green> Both power and signal active.
<rde> Only power active.
3. +5V DC: Connect to a 5V DC power supply
Rear Panel
4. SDI OUT 1: 3G/HD/SD-SDI output #1
5. SDI OUT 2: 3G/HD/SD-SDI output #2
6. DIP s witch: Setup the RS-232 mode for serial communication channel
4

DIP SWITCH
A 2-pin DIP sw i tch is us ed for us er i nter face, and user s can acces s thi s sw it ch from the bott om of
the unit.
Pin#1
Pin#2
EDID feature
OFF [] OFF []
3G/HD/SD-SDI with multi-channel audio except DTS-HD & Dolby True HD
OFF []
ON []
3G/HD/SD-SDI With stereo PCM audio
ON []
OFF []
HD/SD-SDI With stereo PCM audio
ON [] ON []
EDID Learning Mode
EDID LEARNING
1. Please make sure the Pin#1-Pin#2 of DIP switch is at On-On [-].
2. Connect the HDMI display to the HDMI port of TX.
3. Power on TX.
4. After LED turns to light, the EDID Learning procedure is completed.
5. Please DO NOT change the DIP switch, otherwise the built-in EDID Learning information
will be lost.
5

WARRANTY
The SELLER warrants the CV-503M HDMI to 3G/HD/SD-SDI Converter to be free from
defects in the material and workmanship for 1 year from the date of purchase from the SELLER
or an authorized dealer. Should this product fail to be in good working order within 1 year
warranty period, The SELLER, at its option, repair or replace the unit, provided that the unit has
not been subjected to accident, disaster, abuse or any unauthorized modifications including
static discharge and power surges.
Unit that fails under conditions other than those covered will be repaired at the current price
of parts and labor in effect at the time of repair. Such repairs are warranted for 90 days from the
day of reshipment to the BUYER. If the unit is delivered by mail, customers agree to insure the
unit or assume the risk of loss or damage in transit. Under no circumstances will a unit be
accepted without a return authorization number.
The warranty is in lieu of all other warranties expressed or implied, including without
limitations, any other implied warranty or fitness or merchantability for any particular purpose, all
of which are expressly disclaimed.
Proof of sale may be required in order to claim warranty. Customers outside Taiwan are
responsible for shipping charges to and from the SELLER. Cables are limited to a 30 day
warranty and cable must be free from any marki ng s , scr atches , and neatl y coiled.
The content of this manual has been carefully checked and is believed to be accurate.
However, The SELLER assumes no responsibility for any inaccuracies that may be contained in
this manual. The SELLER will NOT be liable for direct, indirect, incidental, special, or
consequential damages resulting from any defect or omission in this manual, even if advised of
the possibility of such damages. Also, the technical information contained herein regarding
the CV-503M features and specifications is subject to change without further notice.
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