Kramer Electronics, Ltd.
Preliminary
USER MANUAL
Model:
7508
CV/YC to SDI Converter
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Introduction
1
Introduction
Welcome to Kramer Electronics! Since 1981, Kramer Electronics has been
providing a world of unique, creative, and affordable solutions to the vast
range of problems that confront the video, audio, presentation, and
broadcasting professional on a daily basis. In recent years, we have
redesigned and upgraded most of our line, making the best even better! Our
defined by function.
Thank you for purchasing your Kramer DigiTOOLS 7508 CV/YC to SDI
Converter, which is ideal for broadcast and production video studios,
postproduction and duplication studios, and non-linear editing. The package
includes the following items:
•
•
•
7508 CV/YC to SDI Converter
Power supply
Null-modem adapter and Windows®-based Kramer control
software
•
This user manual2
2
Getting Started
We recommend that you:
•
Unpack the equipment carefully and save the original box and
packaging materials for possible future shipment
•
•
Review the contents of this user manual
Use Kramer high performance high-resolution cables3
1
GROUP 1: Distribution Amplifiers; GROUP 2: Switchers and Matrix Switchers; GROUP 3: Control Systems;
GROUP 4: Format/Standards Converters; GROUP 5: Range Extenders and Repeaters; GROUP 6: Specialty AV Products;
GROUP 7: Scan Converters and Scalers; GROUP 8: Cables and Connectors; GROUP 9: Room Connectivity;
GROUP 10: Accessories and Rack Adapters; GROUP 11: Sierra Products
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Overview
3
Overview
The high quality Kramer DigiTOOLS 7508 CV/YC to SDI Converter is a
multi-standard converter of analog video (composite and s-Video) to
SMPTE-259M serial digital video (SDI). Many professional video units on
the market today, such as Betacam decks and DVD players have high
quality analog outputs, and the 7508 is ideal for preserving the quality, and
minimizing the artifacts, when converting to the digital domain.
In particular, the 7508:
•
•
Converts the SDI on 2 buffered and reclocked SDI outputs
Automatically detects the input standard (50/60Hz), generating the
appropriate output
•
•
Uses true 10-bit digitizing, making it ideal for the most demanding
applications
Has an RS-232 port and can be controlled via a user-friendly
Windows®-based program that can modify video parameters such
as contrast, saturation and hue, which may be stored in non-volatile
memory
To achieve the best performance:
•
deterioration in signal quality due to poor matching, and elevated
noise levels (often associated with low quality cables).
•
Avoid interference from neighboring electrical appliances that may
adversely influence signal quality and position your Kramer 7508
away from moisture, excessive sunlight and dust
3
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Your 7508 CV/YC to SDI Converter
4
Your 7508 CV/YC to SDI Converter
Figure 1: 7508 CV/YC to SDI Converter
Table 1: 7508 CV/YC to SDI Converter Features
#
Feature
Function
1
12V DC
+12V DC connector for powering the unit
2
3
4
5
6
7
8
SDI OUT 2 BNC Connector Connects to the SDI acceptor 2
SDI OUT 1 BNC Connector Connects to the SDI acceptor 1
Y/C INPUT 4-pin Connector Connects to the s-Video source
CV INPUT BNC Connector Connects to the composite video source
ON LED
Illuminates when receiving power
RS-232 Port
Dipswitches
Connects to the PC or the remote controller
DIP-switches for setup of the unit
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Using Your 7508 CV/YC to SDI Converter
5
Using Your 7508 CV/YC to SDI Converter
You can use your 7508 CV/YC to SDI Converter to convert professional
to one or two SDI video outputs.
To convert composite video or s-Video to up to 2 SDI video outputs, do the
1. Connect a composite video source (for example, a VCR) to the CV BNC
INPUT connector.
2. Connect an s-Video source (for example, a camera) to the Y/C 4-pin
INPUT connector.
3. Connect both SDI outputs to SDI acceptors as follows (when only one SDI
output is required, use either of the SDI outputs of the 7508, and leave the
other SDI output unconnected):
•
Connect the SDI OUT 1 BNC connector to an SDI acceptor
(for example, an SDI monitor)
•
Connect the SDI OUT 2 BNC connector to the second SDI
acceptor (for example, an SDI monitor)
5. Connect the 12V DC power adapter to the power socket and connect the
adapter to the mains electricity.
1 and SDI OUT 2.
1 Switch OFF the power on each device before connecting it to your 7508. After connecting your 7508, switch on its power
and then switch on the power on each device
2 To choose the CV input, set the Y/C (DIP 1) OFF
3 To choose the Y/C input, set the Y/C (DIP 1) ON
5
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Using Your 7508 CV/YC to SDI Converter
Figure 2: Connecting a 7508 CV/YC to SDI Converter
5.1 Connecting a PC
You can connect to the unit via a crossed RS-232 connection, using for
example, a PC. A crossed cable or null-modem is required as shown in
method A and B respectively. If a shielded cable is used, connect the shield
to pin 5.
a crossed cable (pin 2 to pin 3, pin 3 to pin 2, and pin 5 to pin 5) to the
RS-232 9-pin D-sub port on the PC.
Note: There is no need to connect any other pins.
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Using Your 7508 CV/YC to SDI Converter
Figure 3: Crossed Cable RS-232 Connection
Hardware flow control is not required for this unit. In the rare case where a
controller requires hardware flow control, short pin 1 to 7 and 8, and pin 4
to 6 on the controller side.
a straight (flat) cable to the null-modem adapter, and connect the null-
modem adapter to the RS-232 9-pin D-sub port on the PC. The straight
cable usually contains all nine wires for a full connection of the D-sub
connector. Because the null-modem adapter (which already includes the
flow control jumpering described in Method A above) only requires pins 2,
3 and 5 to be connected, you are free to decide whether to connect only
these 3 pins or all 9 pins.
Figure 4: Straight Cable RS-232 Connection with a Null Modem Adapter
7
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Using Your 7508 CV/YC to SDI Converter
5.2 Setting the DIP-Switches
Table 2: Setting the DIP-Switches
DIP-Switch
Set as Follows:
ON for Y/C source; OFF for CV source
1
2
3
Y/C
RESERVED
PEDESTAL1
OFF
ON for pedestal (7.5 IRE offset selection for NTSC); OFF for no pedestal
AUTO
NTSC
ON
PAL
OFF
ON
PAL-M PAL-N
NTSC-4 SECAM AUTO
4
5
6
7
8
STANDARD 1 OFF
STANDARD 2 OFF
STANDARD 3 OFF
ON
OFF
OFF
ON
ON
OFF
ON
ON
ON
ON
OFF
OFF
ON
OFF
ON
OFF
OFF
ON
RESERVED
PROGRAM
OFF
ON for upgrading firmware; OFF for normal use
Figure 5: DIP-Switch Settings
1 NTSC offsets the black level within the active video signal by 7.5 IRE when selected
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Technical Specifications
6
Technical Specifications
Table 3 includes the technical specifications:
INPUT:
1 composite video, 1Vpp/75Ω on a BNC connector;
1 s-Video, 1Vpp, 0.3Vpp/75Ω on a 4-pin connector
OUTPUT:
2 SDI SMPTE-259M, ITU-R BT.601 on BNC connectors
DIGITAL RESOLUTION:
BANDWIDTH:
10 bits
5MHz (-0.2dB)
S/N RATIO:
57dB
K-FACTOR:
<0.2%
DIFFERENTIAL PHASE:
DIFFERENTIAL GAIN:
LUMA NON-LINEARITY:
CHROMA/LUMA DELAY:
CONTROL:
1Deg
1%
1%
<15ns
Brightness, contrast, hue, saturation, sharpness via RS-232
12V DC, 210mA
POWER SOURCE:
DIMENSIONS:
12cm x 7.5cm x 2.5cm (4.7" x 2.95" x 0.98") W, D, H
0.3kg (0.66lbs) approx.
WEIGHT:
ACCESSORIES:
OPTIONS:
Power supply, mounting bracket
RK-3T 19" rack adapter
1 Specifications are subject to change without notice
9
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Communication Protocol
7
Communication Protocol
RS-232 communication with the 7508 complies with the following protocol.
The protocol uses 4 bytes of information, and data is at 9600 baud, with no
parity, 8 data bits and 1 stop bit.
Table 4: Structure of the Protocol
MSB
LSB
INSTRUCTION
0
7
TO PC
6
I5
5
I4
4
I3
3
I2
2
I1
1
I0
0
1st byte
DATA
1
7
D6
6
D5
5
D4
4
D3
3
D2
2
D1
1
D0
0
2nd byte
EXTENDED DATA
1
7
E6
6
E5
5
E4
4
E3
3
E2
2
E1
1
E0
0
3rd byte
MSB’s
ADDR
1
7
E7
6
D7
5
0
4
0
3
1
2
1
1
0
0
Note that the MSB’s of the DATA (D7) and the EXTENDED DATA (E7) are in the fourth byte.
Terminology:
•
•
•
•
•
TO PC is the “DESTINATION BIT”
I4..I0 is the “INSTRUCTION”
D7..D0 is the “DATA”
E7..E0 is the “EXTENDED DATA”
A0 is the “LSB of the MACHINE ADDRESS”
The destination bit, TO PC, is 0 when sending from the PC to the machine, or 1 when sending from the machine to the PC.
Table 5: Instruction Set for the 7508
#
INSTRUCTION
I5 I4
I3
I2 I1 I0
0
1
3
10
11
12
13
16
57
61
Reset
Read video standard
Read back-panel DIP-switch 1 (video format CV/YC)
Write EEPROM data – low address
Read EEPROM data – low address
Write I²C
Read I²C
Error
Enable “Power-down save”
Identify machine
0
0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
0
1
1
1
0
0
0
1
1
1
1
0
1
1
0
0
0
0
0
1
1
0
0
1
0
0
1
1
1
0
0
0
0
0
0
1
1
0
1
0
1
0
1
1
1 Note that the MSB’s of the DATA (D7) and the EXTENDED DATA (E7) are in the fourth byte
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Communication Protocol
DESCRIPTION OF INSTRUCTIONS
INSTRUCTION 0 – RESET
DATA=0: initialize the machine.
When the machine is initialized, it will send the RESET code (DATA = 0). If the machine receives this code, it will reset to
its “power-up” state.
DATA=1: configure the machine to its factory default state.
When the machine receives this code, all programmable parameters will be reset to their factory-default values.
EXTENDED DATA - set as 0.
INSTRUCTION 1 – READ INPUT STANDARD
For sending to machine, set DATA = EXTENDED DATA = 0.
When replying:- DATA = INPUT STANDARD; EXTENDED DATA = 0. The PC sends this instruction to the machine. The
machine replies by sending back the INPUT STANDARD, defined as per the table below:
Table 6: Input Standard
STANDARD
E2
E1
E0
NTSC (J, M)
PAL (B, G, H, I, N)
PAL-M
Combination PAL-N
NTSC 4.43
0
0
0
0
1
0
0
1
1
0
0
1
0
1
0
INSTRUCTION 3 – READ BACK-PANEL DIP-SWITCH 1 (VIDEO FORMAT) (read format)
When sending to machine:- DATA, EXTENDED DATA - set as 0.
When replying:- EXTENDED DATA = back-panel DIP switch 1 (0=CV, 1=Y/C).; DATA = 0. The PC sends this instruction
to the machine. The machine replies by sending back a value relating to the current video format.
INSTRUCTION 10 – WRITE EEPROM DATA
DATA = EEPROM sub-address; EXTENDED DATA = data to be written to this sub-address. The PC sends data directly to
the EEPROM. The EEPROM stores this new value, and replies by sending the same data back to the PC. CAUTION – this
function was designated for development and testing purposes. Improper use of this function may cause erratic behaviour of
the machine.
INSTRUCTION 11 – READ EEPROM DATA
For sending to machine, DATA = EEPROM sub-address.
When replying:- DATA = EEPROM sub-address; EXTENDED DATA = requested data.
The PC sends this instruction to the machine. The machine replies by sending back the data of this sub-address.
INSTRUCTION 12 – WRITE I²C
DATA = I²C sub-address; EXTENDED DATA = data to be written to this sub-address.
The PC sends I²C data (to the I²C address which was last accessed via INSTRUCTION 13). The machine replies by sending
the same data back to the PC.
CAUTION – this function was designated for development and testing purposes. Improper use of this function may cause
erratic behavior of the machine.
INSTRUCTION 13 – READ I²C
For sending to machine, DATA = I²C address; EXTENDED DATA = sub-address.
When replying:- DATA = sub-address; EXTENDED DATA = data read.
The PC sends this instruction to the machine. The machine replies by sending back the data of this address and sub-address.
INSTRUCTION 16 – ERROR
If the machine receives an invalid instruction, it replies by sending this error code.
INSTRUCTION 57 – ENABLE “POWER-DOWN SAVE”
DATA = 0 disables power-down saving; DATA = 1 enables saving. EXTENDED DATA - set to 0.
The PC sends this instruction to the machine. The power-down option is enabled or disabled according to the value of DATA.
If the power-down option is enabled, then the machine will “remember” its state before being turned off, and revert to this
state when turned on again.
Note that whenever the machine is turned on, the power-down save option is enabled.
INSTRUCTION 61 – IDENTIFY MACHINE
For sending, DATA = 1 to request machine name; DATA = 3 to request software version number. EXTENDED DATA - set
to 0.
The PC sends this instruction to the machine. The machine relies as follows:
if the machine name is requested, the machine replies with DATA = 75 (hex), and EXTENDED DATA = 01 (hex).
if the software version is requested, the machine replies with DATA as the version number before the decimal point, and
EXTENDED DATA is the value following the decimal point. For example, for version 3.4, the machine replies with DATA =
03 (hex), and EXTENDED DATA = 04 (hex).
11
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LIMITED WARRANTY
Kramer Electronics (hereafter Kramer) warrants this product free from defects in material and workmanship under the
following terms.
HOW LONGISTHE WARRANTY
Labor and parts are warranted for three years from the date of the first customer purchase.
WHOIS PROTECTED?
Only the first purchase customer may enforce this warranty.
WHATIS COVEREDANDWHATIS NOTCOVERED
Except as below, this warranty covers all defects in material or workmanship in this product. The following are not covered
by thewarranty:
1. Any product which is not distributed by Kramer, or which is not purchased from an authorized Kramer dealer. If you are
uncertain as to whether a dealer is authorized, please contact Kramer at one of the agents listed in the Web site
2. Any product, on which the serial number has been defaced, modified or removed, or on which the WARRANTY VOID
IF TAMPERED sticker has been torn, reattached, removed or otherwise interfered with.
3. Damage, deterioration ormalfunctionresultingfrom:
i) Accident, misuse, abuse, neglect, fire, water, lightning orotheractsofnature
ii) Product modification, orfailureto followinstructions supplied with theproduct
iii) Repairorattemptedrepairby anyonenot authorized byKramer
iv) Anyshipment oftheproduct(claims must bepresentedtothe carrier)
v) Removalorinstallationoftheproduct
vi) Anyothercause, whichdoes not relateto aproduct defect
vii) Cartons, equipment enclosures, cables or accessoriesusedinconjunctionwiththeproduct
WHAT WE WILLPAY FOR AND WHATWE WILLNOT PAYFOR
Wewill pay laborand material expensesforcovered items.Wewill notpayforthefollowing:
1. Removal orinstallationscharges.
2. Costs of initial technical adjustments (set-up), including adjustment of user controls or programming. These costs are the
responsibility oftheKramerdealerfromwhomtheproduct was purchased.
3. Shipping charges.
HOW YOU CAN GET WARRANTY SERVICE
1. To obtain service on you product, you must take or ship it prepaid to any authorized Kramer service center.
2. Whenever warranty service is required, the original dated invoice (or a copy) must be presented as proof of warranty
coverage, and should be included in any shipment of the product. Please also include in any mailing a contact name,
company, address, and a description of the problem(s).
3. For the name of the nearest Kramer authorized service center, consult your authorized dealer.
LIMITATION OFIMPLIEDWARRANTIES
All implied warranties, including warranties of merchantability and fitness for a particular purpose, are limited in duration to
the length of this warranty.
EXCLUSIONOFDAMAGES
The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option. Kramer shall
not beliable for:
1. Damage to otherproperty caused by defects inthis product, damages basedupon inconvenience, loss ofuseof theproduct, loss
oftime, commercialloss; or:
2. Any other damages, whether incidental, consequential or otherwise. Some countries may not allow limitations on how long an
implied warranty lasts and/or do not allow the exclusion or limitation of incidental or consequential damages, so the above
limitations andexclusions maynot applytoyou.
Thiswarranty gives youspecificlegalrights, andyou may alsohaveotherrights, which varyfromplacetoplace.
NOTE:Allproducts returned to Kramerforservicemust havepriorapproval.Thismay be obtained fromyourdealer.
Thisequipment has been testedtodeterminecompliancewith therequirements of:
EN-50081:
"Electromagneticcompatibility(EMC);
genericemissionstandard.
Part 1: Residential, commercial and lightindustry"
"Electromagneticcompatibility(EMC)genericimmunitystandard.
Part 1: Residential, commercialand lightindustryenvironment".
FCC* Rules and Regulations:
EN-50082:
CFR-47:
Part 15: “Radio frequency devices
Subpart B Unintentional radiators”
CAUTION!
Servicing the machines can only be done by an authorized Kramer technician. Any user who makes changes or
modifications to the unit without the expressed approval of the manufacturer will void user authority to operate the
equipment.
UsethesuppliedDCpowersupply to feed power to themachine.
Pleaseuserecommended interconnection cablestoconnect themachineto other components.
* FCCandCE approvedusingSTPcable(fortwistedpairproducts)
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For the latest information on our products and a list of Kramer
distributors, visit our Web site: www.kramerelectronics.com.
Updates to this user manual may be found at
We welcome your questions, comments and feedback.
Kramer Electronics, Ltd.
P/N: 2900-007508 REV 2
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