USER MANUAL
Contents
1. Only the first purchase customer may enforce this warranty WHAT IS COVERED AND WHAT IS NOT COVERED Except as below this warranty covers all defects in material or workmanship in this product The following are not covered by the warranty L 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 www kramerelectronics com 2 Any product on which the serial number has been defaced modified or removed 35 Damage deterioration or malfunction resulting from i Accident misuse abuse neglect fire water lightning or other acts of nature ii Product modification or failure to follow instructions supplied with the product iii Repair or attempted repair by anyone not authorized by Kramer iv Any shipment of the product claims must be presented to the carrier v Removal or installation of the product vi Any other cause which does not relate to a product defect vii Cartons equipment enclosures cables or accessories used in conjunction with the product WHAT WE WILL PAY FOR AND WHAT WE WILL NOT PAY FOR We will pay labor and material expenses for covered items We will not pay for the following 1 Removal or installations charges 2 Costs of initial technical adjustments set up including adjustment of user controls or programming These costs are the2. modem adapter and connect the Null modem adapter with a 9 wire flat cable to the RS 232 DB9 port on your PC To connect a PC to the VP 23 without using a Null modem adapter e Connect the RS 232 DB9 port on your PC to the RS 232 DB9 rear panel port on the VP 23 as Figure 2 illustrates depending on whether the PC has a 9 pin or 25 pin connector 1 Switch OFF the power on each device before connecting it to your VP 23 After connecting your VP 23 switch on its power and then switch on the power on each device 2 Use the Con Dyn switch refer to item 2 in Figure 1 to select a dynamic microphone or a condenser 3 Mic Level Audio Level and VGA Level 5 Connecting the VP 23 Presentation Switcher PIN 5 Connected to PIN 5 Ground PIN 3 Connected to PIN 2 PIN 2 Connected to PIN 3 PIN 7 Connected to PIN 5 Ground PIN 2 Connected to PIN 2 PIN 3 Connected to PIN 3 Female DB9 From PC Male DB9 To Switcher 40 PIN 4 Connected to PIN 6 vt PINS 8 7 1 Connected together If a shielded cable is used connect the shield to PIN 5 Female DB25 From PC Male DB9 To Switcher PIN 20 Connected to PIN 6 PINS 8 5 4 Connected together If a shielded cable is used connect the shield to PIN 7 DB25 and PIN 5 DB9 Figure 2 Connecting a PC without using a Null modem Adapter 5 2 Dipswitch Settings You can connect up to 16 VP
3. responsibility of the Kramer dealer from whom the product 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 OF IMPLIED WARRANTIES All implied warranties including warranties of merchantability and fitness for a particular purpose are limited in duration to the length of this warranty EXCLUSION OF DAMAGES The liability of Kramer for any effective products is limited to the repair or replacement of the product at our option Kramer shall not be liable for 1 Damage to other property caused by defects in this product damages based upon inconvenience loss of use of the product loss of time commercial loss 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 and exclusions may not apply to you This warran
4. 1 3 Set equal to the group of 3 which status is required 6 REQUEST STATUS OF 0 1 3 MASTER AUDIO OUTPUT 16 ERROR BUSY Don t care Don t care 18 RESET MACHINE 0 0 1 57 SET AUTO SAVE 1 autosave Don t care 5 2 no save 61 IDENTIFY MACHINE 1 or 2 machine name Don t care 6 3 or 4 program version 4 for microphone NOTES on the above table NOTE 1 When the master switcher is reset e g when it is turned on the reset code is sent to the PC If this code is sent to the switchers it will reset according to the present power down settings NOTE 2 These are bi directional definitions That is if the switcher receives the code it will perform the instruction and if the instruction is performed due to a keystroke operation on the front panel then these codes are sent For example if 0000 000 Instruction Switch Groups 1000 0010 Input 2 1000 000 in composite video group 1000 000 Machine 1 master Was sent from the PC then the switcher machine 1 will switch input 2 in composite video group to its output If the user switched input 4 in the VGA group via the front panel keypad then the switcher will send 0100 000 1000 0100 1000 001 1000 0001 to the PC When the PC sends instruction 1 or 2 to the switcher then if the instruction is valid the switcher replies by sending the same four bytes to the PC that were sent except for the first byte where the DESTINATI
5. 23 units to the PC via the Null modem adapter and the RS 232 ports On the first machine Machine i that is closest to the PC set the dipswitches to ON Adjust the dipswitches on the other units according to Table 3 Table 3 Dipswitch Settings Machine Self Address Dipswitch 3 2 1 0 1 2 3 4 Wee 1g 10 0 0 ON ON ON ON 2 0 0 04 1 ON ON ON OFF 3 0 0 1 0 ON ON OFF ON 4 0 011 ON ON OFF OFF 5 0 10 0 ON OFF ON ON 6 0 1 0 1 ON OFF ON OFF rA 0 1 1 0 ON OFF OFF ON 8 0 1 1 1 ON OFF OFF OFF 9 1 0 0 0 OFF ON ON ON 10 1 0 0 1 OFF ON ON OFF 11 1 0 1 0 OFF ON OFF ON 12 1 0 1 1 OFF ON OFF OFF 13 1 1 0 0 OFF OFF ON ON 14 1 1 0 1 OFF OFF ON OFF 15 1 1 1 0 OFF OFF OFF ON 16 1 1 1 1 OFF OFF OFF OFF 1 The Master 6 KRAMER SIMPLE CREATIVE TECHNOLOGY Operating the Presentation Switcher 6 Operating the Presentation Switcher You can operate your VP 23 via e The front panel buttons and front panel control level knobs e RS 232 serial commands transmitted by a touch screen system PC or other serial controller The front panel buttons include Video Audio Selector s Video Audio Selector VGA Audio Selector Master Audio Selector consisting of CV s Video VGA and Mic buttons and Talk Over
6. Presentation Switcher This product is ideal for the following typical applications e Presentation and conference room systems e Production studios as well as rental and staging The package includes the following items e VP 23 Presentation Switcher e Power cord and Null modem adapter e Windows based Kramer control software e This user manual 2 Getting Started We recommend that you e Unpack the equipment carefully and save the original box and packaging materials for possible future shipment e Review the contents of this user manual e Use Kramer high performance high resolution cables 3 Overview The VP 23 is a high quality presentation switcher designed for a wide variety of presentation and multimedia applications The VP 23 combines the functions of a 4x1 switcher for composite video and audio a 4x1 switcher for s Video and audio and a 4x1 switcher for VGA type signals with audio In addition the VP 23 e Is aone box high performance solution for installations that would 1 GROUP 1 Distribution Amplifiers GROUP 2 Video and Audio Switchers Matrix Switchers and Controllers GROUP 3 Video Audio VGA XGA Processors GROUP 4 Interfaces and Sync Processors GROUP 5 Twisted Pair Interfaces GROUP 6 Accessories and Rack Adapters GROUP 7 Scan Converters and Scalers and GROUP 8 Cables and Connectors 2 Downloadable from our Web site at http www kramerelectronics com 3 Download up to date Kramer use
7. The adjustable front panel control level knobs include e VGA Level that adjusts a VGA XGA image which is dim or lacking in sufficient detail perhaps due to the use of long cables by increasing or decreasing the VGA XGA red green and blue levels as well automatically adjusting cable equalization e Audio Level that adjusts the overall audio output level at the Master Audio Out port without influencing any other audio output e Mic Level that adjusts the microphone level at the Master Audio Out port and the talk over function threshold 6 on Operating your Switcher You can switch one of the 4 CV inputs one of the 4 Y C inputs and one of the 4 VGA XGA inputs to the corresponding CV Y C or VGA XGA outputs respectively To switch an input to an output e Press one button from the set of 4 buttons in the Video CV Audio section and or one button from the set of 4 buttons in the s Video Y C Audio section and or one button from the set of 4 buttons in the VGA XGA Audio section Each pressed button illuminates indicating selection and outputting of that video and audio source 1 With the Talk Over button pressed in speaking into the microphone amplifies the voice of the speaker overriding and fading out all other audio channels However pressing the Mic button in the Master Audio Selector renders the Talk Over function inactive 2 We recommend using a Line Amplifier when connecting long cables 3 Achieving op
8. 0 0001 If the request for identification is sent with the INPUT set as 3 or 4 the appropriate machine will send its software version number Again the reply would be the decimal value of the INPUT and OUTPUT the INPUT representing the number in front of the decimal point and the OUTPUT representing the number following the decimal point For example for version 3 5 the reply will be 0111 1101 1000 0011 i e 128 3 1000 0101 i e 128 5 1000 0001 Table 7 Video and Audio Switch Commands HEX OUT 1 CV GROUP OUT 2 Y C GROUP OUT 3 VGA GROUP OFF 0 0 0 80 80 80 8 82 83 8 8 8 IN1 0 0 0 8 8 8 8 82 83 8 8 8 IN2 0 0 0 82 82 82 8 82 83 8 8 8 IN3 0 01 0 83 83 83 8 82 83 8 8 8 IN4 0 0 01 84 84 84 8 82 83 8 8 81 Table 8 Audio Switch Commands HEX MASTER AUDIO OUTPUT OFF 02 80 81 81 AUDIO OUT1 22 81 81 81 AUDIO OUT2 02 82 81 81 AUDIO OUT3 22 83 81 81 AUDIO OUT A 22 MICROPH i 81 81 11 LIMITED WARRANTY Kramer Electronics hereafter Kramer warrants this product free from defects in material and workmanship under the following terms HOW LONG IS THE WARRANTY Labor and parts are warranted for three years from the date of the first customer purchase WHO IS PROTECTED
9. E CREATIVE TECHNOLOGY z AIYINM UOIDIJUaSald ESA I ainsi s eues Ze dnes A A O O o 0 0 dsna Y A 00000 00000 00000 00000 i Ge P of EA jo of Elo f Elo f Elo d zA DWE Gin WS 0 no YNI EN ZNI LNI mg TM EN ZNI LN Jng EN EN EN LN VOXIVOA zept oe ayisoduiog ZH 09 09 sno voxiv9A oipny cepia s omg o piq ausodwos olpny OWA oez omg geen INO YNI EN ZNI LN ino CN LN IN EN NM LN 6666 6 06 0 0 uka TT OO t Cc ee dA Je ioun Lopes cl C3 T E L p Jeng A wei al ON ag olpny vA VON YSMOd OOOO DD 0000 000g au von OPAS A v e z tA v t LA r e z A 10 99 8 Olpny Joie 40 99 8g OIPNY YOA 10 93 8g Olpny oaplp s 10 99 8g Olpny ocapip Q DY JOYOIMS uoneyuasalg EZ dA MOA Your VP 23 Presentation Switcher Table 1 Front Panel VP 23 Presentation Switcher Features Feature Function 1 Power Switch Illuminated switch supplying power to the unit 2 Video Audio Selector Buttons Selects the composite video audio input from 1 to 4 2 s Video Audio Selector Buttons Selects the s Video audio input f
10. Kramer Electronics Ltd D KRAMER USER MANUAL Model VP 23 Presentation Switcher Contents Contents 1 Introduction 2 Getting Started 3 Overview 4 Your VP 23 Presentation Switcher 5 Connecting the VP 23 Presentation Switcher 5 1 Connecting a PC 5 2 Dipswitch Settings 6 Operating the Presentation Switcher 6 1 Operating your Switcher 7 Technical Specifications 8 VP 23 Communication Protocol Figures Figure 1 VP 23 Presentation Switcher Figure 2 Connecting a PC without using a Null modem Adapter Tables Table 1 Table 2 Table 3 Table 4 Table 5 Table 6 Table 7 Table 8 Front Panel VP 23 Presentation Switcher Features Rear Panel VP 23 Presentation Switcher Features Dipswitch Settings Technical Specifications of the VP 23 Presentation Switcher Protocol Definitions Instruction Codes Video and Audio Switch Commands HEX Audio Switch Commands HEX FAN Ch Un Un N Fa Fi LA CO vo Ch ZS A 11 11 Introduction 1 Introduction Welcome to Kramer Electronics since 1981 a world of unique creative and affordable solutions to the infinite range of problems that confront the video audio and presentation professional on a daily basis In recent years we have redesigned and upgraded most of our line making the best even better Our 350 plus different models now appear in 8 Groups which are clearly defined by function Congratulations on purchasing your Kramer VP 23
11. ON bit is set high NOTE 3 To reply to a REQUEST instruction is as follows the same instruction and input codes as were sent are returned and the OUTPUT is assigned to the value of the requested parameter The reply to the instruction 5 what is the status of the VGA group 0000 0101 1000 0000 1000 0011 1000 0001 Would be 0100 0101 1000 0000 1000 0100 1000 0001 NOTE 4 An error code is returned to the PC if an invalid code was sent to the switcher for example when trying to switch an input or a group which is greater than the highest one defined This code is also returned to the PC if an RS 232 instruction is sent while the machine is being programmed via the front panel Reception of this code by the switcher will not be valid NOTE 5 Under normal conditions the machine s present status is saved each time a change is made The power down save the auto save may be disabled using this code Note that each time that the machine is turned ON the auto save function is automatically set 10 KRAMER SIMPLE CREATIVE TECHNOLOGY VP 23 Communication Protocol NOTE 6 This is a request to identify the switchers in a system If the INPUT is set as 1 or 2 the machine will send its name The reply is the decimal value of the INPUT and the OUTPUT For example the reply to the request to send the machine s name for machine 001 will be 0111 1101 1000 0000 i e 128 0 10010111 i e 128 23 100
12. ate audio stereo channel 4dBm 150Q 1 master audio 4dBm 150Q MAX OUTPUT LEVEL VIDEO 2 1 Vpp AUDIO 27 Vpp BANDWIDTH 3dB VIDEO XGA VGA 315 MHz s Video Y 260 MHz composite video 470 MHz AUDIO 40kHz DIFF GAIN lt 0 07 all channels DIFF PHASE lt 0 05 Deg all channels S N RATIO VIDEO 75dB all channels AUDIO 75cB 1 Vpp all channels CONTROLS 16 selector switches VGA XGA level 4dB audio 6dB Mic up to 49dB POWER SOURCE 230 VAC 50 60 Hz 115VAC U S A 16VA DIMENSIONS 19 inch W 7 inch D 2U H rack mountable WEIGHT 3 6 kg 8 Ibs approx ACCESSORIES Power cord PC control software 1 Specifications are subject to change without notice KRAMER SIMPLE CREATIVE TECHNOLOGY VP 23 Communication Protocol 8 VP 23 Communication Protocol Communication with the VP 23 uses four bytes of information as defined below Data is transferred at 9600 baud with no parity 8 data bits and 1 stop bit VER 1 0 Table 5 Protocol Definitions lst byte Destination INSTRUCTION 0 D N5 N4 N3 N2 N1 NO 7 6 5 4 3 2 1 0 MSB LSB 2nd byte INPUT 1 0 0 0 0 2 E 10 7 6 5 4 3 1 0 3rd byte OUTPUT 1 0 0 0 0 0 O1 00 7 6 5 4 3 2 1 0 4th byte Machine Number 1 0 0 0 M3 M2 Mi MO 7 6 5 4 3 2 1 0 lst BYTE Bit 7 De
13. ectronics com E mail info kramerel com P N 2900 002044 REV 4
14. fined as 0 D DESTINATION BIT This bit is always low when sending from the PC to the switchers and high for information sent to the PC NS NO INSTRUCTION The function that is to be performed by the switcher s is defined by this 6 bits Similarly if a function is performed via the machine s keyboard then these bits are set with the INSTRUCTION NO which was performed The instruction codes are defined according to the table below INSTRUCTION NO is the value to be set for N5 N0 2nd BYTE Bit 7 Defined as 1 Bits 3 6 Defined as 0 12 10 INPUT For disconnect set as 0 For other operations these bits are defined according to the table 3rd BYTE Bit 7 defined as 1 Bits 2 6 defined as 0 O1 O0 OUTPUT For operations these bits are defined according to the table 4th BYTE Bit 7 Defined as 1 Bits 3 6 Defined as 0 M3 MO MACHINE NUMBER MACHINE NUMBER DIPSWITCH CODE 1 9 VP 23 Communication Protocol Table 6 Instruction Codes INSTRUCTION DEFINITION FOR SPECIFIC INSTRUCTION NOTE DESCRIPTION INPUT OUTPUT 0 RESET MACHINE 0 0 1 1 SWITCH GROUPS 1 4 Set equal to video and audio 1 3 Set equal to group which 2 inputs to be switched for the output to be switched relative group 2 SWITCH AUDIO OUTPUTS 1 4 Set equal to audio output to 1 2 be switched to Master Audio out 5 REQUEST GROUP STATUS 0
15. r manuals from our Web site at http www kramerelectronics com 4 The complete list of Kramer cables is on our Web site at http www kramerelectronics com 1 Your VP 23 Presentation Switcher otherwise require several separate products e Is designed so that each section is controllable independently from the other sections e Is controllable via the front panel buttons or by RS 232 serial commands transmitted by a touch screen system PC or other serial controller e Includes an additional audio switching section that routes one of the pre selected audio inputs from the other switching sections to a separate output e Enables the switching section to insert an additional microphone channel by switching mixing or talk over e Includes 16 selector switches and front panel control adjusters for VGA XGA output level and EQ master audio output level and microphone level Achieving the best performance means e Connecting only good quality connection cables thus avoiding interference deterioration in signal quality due to poor matching and elevated noise levels often associated with low quality cables e Avoiding interference from neighboring electrical appliances and positioning your VP 23 away from moisture excessive sunlight and dust Your VP 23 Presentation Switcher Figure 1 illustrates the front and rear panels of the VP 23 Tables 1 and 2 define the front and rear panels of the VP 23 respectively KRAMER SIMPL
16. rom 1 to 4 4 VGA Audio Selector Buttons Selects the VGA XGA video audio input from 1 to 4 5 s Video Button Master Audio Selector button for s Video 6 CV Button Master Audio Selector button for composite video 7 Mic Button Master Audio Selector button for microphone 8 VGA Button Master Audio Selector button for VGA 9 Mic Level Knob Adjusts the microphone level 10 Talk Over Button Pushing in button activates talk over 11 Audio Level Knob Adjusts the audio level 12 VGA Level Knob Adjusts the VGA level Table 2 Rear Panel VP 23 Presentation Switcher Features Feature Function 1 Mic IN 6 5mm Connector Connects to the microphone 2 Con Dyn Switch Pushing in selects a dynamic microphone pushing out selects a condenser 3 Audio Composite Video INRCA Connectors Connects the audio input from 1 to 4 for the composite video Audio Composite Video OUT RCA Connector Connects the audio output for the composite video Audio s Video IN RCA Connectors Connects the audio input from 1 to 4 for the s Video Audio s Video OUT RCA Connector Connects the audio output for the s Video Audio VGA XGA IN RCA Connectors Connects the audio input from 1 to 4 for the VGA XGA video Audio GA XGA OUT RCA Connector Connects the VGA XGA audio output for the VGA XGA video 9 Master Audio Out RCA Connector Connects the master audio o
17. timum results when using a microphone may require experimentation in adjusting the Audio and Mic Levels 4 You cannot select more than one button in a section 5 You can overlook a section and choose not to select a button from it 6 Pressing an illuminated button for more than 2 seconds will disconnect the output and the button will no longer illuminate 7 Technical Specifications In addition you can operate the following option e Press a Master Audio Selector button CV s Video or VGA to route the audio channel of the selected source from that section to the Master Audio Out port as well as to the OUT port of that selected source For example pressing the CV Master Audio Selector button routes the audio channel of the selected Video Audio Selector source to the Master Audio Out port as well as to the Audio Composite Video Out port 7 Technical Specifications Table 4 includes the technical specifications Table 4 Technical Specifications of the VP 23 Presentation Switcher INPUTS 4 VGA XGA on HD15F connectors 4 s Video 1 Vpp Y 0 3Vpp C 75Q on 4p connectors 4 composite video 1Vpp 75Q on BNC connectors Each input is accompanied by the appropriate audio stereo channels 4dBm 50 kQ on RCA connectors Mic 3mV 10 KQ OUTPUTS 1x VGA XGA 1 s Video 1 Vpp Y 0 3Vpp C 75Q on a 4p connector 1 composite video 1 Vpp 75Q on a BNC connector Each output is accompanied by the appropri
18. ty gives you specific legal rights and you may also have other rights which vary from place to place NOTE All products returned to Kramer for service must have prior approval This may be obtained from your dealer This equipment has been tested to determine compliance with the requirements of EN 50081 Electromagnetic compatibility EMC generic emission standard Part 1 Residential commercial and light industry EN 50082 Electromagnetic compatibility EMC generic immunity standard Part 1 Residential commercial and light industry environment CFR 47 FCC Rules and Regulations Part 15 Radio frequency devices Subpart B Unintentional radiators CAUTION B 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 B Use the supplied DC power supply to feed power to the machine B Please use recommended interconnection cables to connect the machine to other components 12 KRAMER SIMPLE CREATIVE TECHNOLOGY For the latest information on our products and a list of Kramer distributors visit our Web site www kramerelectronics com where updates to this user manual may be found We welcome your questions comments and feedback Institute of Quality amp Control Kramer Electronics Ltd Web site www kramerel
19. utput 10 Setup Dipswitches setup refer to section 5 2 11 RS 232 Connector DB 9F connector connects to PC or Remote Controller 12 Power Connector with FUSE AC connector enabling power supply to the unit 13 VGA XGA OUT Connector Connects to the VGA XGA video output 14 VGA XGA IN Connectors Connects the VGA XGA video input from 1 to 4 15 s Video OUT 4p Connector Connects to the s Video output 16 s Video IN 4p Connectors Connects the s Video input from 1 to 4 17 Composite Video OUT BNC Connector Connects to the composite video output 18 Composite Video BNC Connectors Connects the composite video input from 1 to 4 KRAMER SIMPLE CREATIVE TECHNOLOGY Connecting the VP 23 Presentation Switcher 5 1 Connecting the VP 23 Presentation Switcher To connect the VP 23 connect the following to the rear panel ports 1 The Composite s Video and VGA XGA video sources and acceptors as well as the appropriate audio sources and acceptors 2 A microphone or a condenser 3 The power cord Note Set each of the 3 front panel control level knobs to their mid position In addition you can choose to connect the following option e A PC via the null modem adapter when using the Kramer Control software or other controller Connecting a PC To connect a PC to the VP 23 using the Null modem adapter provided with the machine recommended e Connect the RS 232 DB9 rear panel port on the VP 23 to the Null
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