USER MANUAL - Kramer Electronics
Contents
1. 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 E 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 Use the supplied DC power supply to feed power to the machine Please use recommendedinterconnection cables to connect the machine to other components FCC and CE approved using STP cable for twisted pair products VP 23C Kramer Protocol 2000 For the latest information on our products and a list of Kramer distributors visit our Web site where updates to this user manual may be found We welcome your questions comments and feedback Web site www kramerelectronics com E mail info kramerel com Disconnect the unit from the power SAFETY WARNING supply before opening and servicing2. 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 warranty 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
3. nm a 57 62 1 for CV group 2 for SV group 3 for Comp video group 4 for VGA group 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 0001 Instruction Switch Groups 1000 0010 Input 2 1000 0001 in composite video group 1000 0001 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 0001 1000 0100 1000 0100 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 DESTINATION bit is set high VP 23C Kramer Protocol 2000 NOTE 3 The 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
4. 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 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 10000000 i e 128 0 1001 0111 i e 128 23 1000 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 deci
5. audio signal is routed to the MASTER AUDIO OUT output therefore the last INPUT SELECTOR button selected from any of the switcher groups routes the audio signal of that input to the audio output The last selected button is illuminated in purple to indicate the source of the outputted audio signal When setting the master audio gain to its minimum the MUTE button illuminates When both the MUTE and MIX buttons are on only the microphone signal is transferred to the master output The MUTE and MIX buttons can be turned ON or OFF via RS 232 control and their respective buttons on the front panel illuminate Switche 13 C Operating the VP 23C Presentation Switcher 7 Technical Specifications INPUTS 2 composite video 1Vpp 75Q on RCA connectors 2 s Video 1 Vpp Y 0 3Vpp C 75Q on 4 pin connectors 2 component video UXGA on 15 pin HD connectors 4 VGA UXGA on 15 pin HD connectors 4 unbalanced stereo audio on 3 5mm jack connectors for VGA UXGA 4dBm 10kQ 6 unbalanced stereo audio channels 4dBm 10kQ on RCA connectors for CV YC COMP UXGA Mic 3mV 10kQ condenser with 15V phantom voltage dynamic on a 6 3mm phone jack connector OUTPUTS 1 composite video 1Vpp 75Q on an RCA connector 1 s Video 1Vpp Y 0 3Vpp C 75Q on a 4 pin connector 1 component video UXGA on an 15 pin HD connector 1 VGA UXGA on an 15 pin HD connector 1 unbalanced stereo master audio channel 4dBm 509 on RCA connectors MAX OUTPUT VIDE
6. input 1 and 2 Can also be used for UXGA inputs VGA UXGA Buttons Select the VGA UXGA video audio input from 1 to 4 Decrease the master audio signal level MASTER A 7 AUDIO Increase the master audio signal level LEVEL Button Increase the microphone audio signal level Button Decrease the microphone audio signal level MUTE Button Press to disable enable the Master Audio output Except for the microphone signal in the MIX mode 1 MIX Button Press to toggle When on mixes the microphone signal with the Master Audio output When the MUTE button and the MIX button are pressed only the microphone signal is transferred to the output E Connect to the composite video acceptor COMP UXGA IN 15 pin HD Connectors Connect to the component video or UXGA sources IN 1 and IN 2 When the 15 pin HD connector is used for UXGA signals the syncs are on PIN 13 and PIN 14 a 0 22 VGA UXGA AUDIO INPUTS 3 5mm Mini Connect to the VGA UXGA unbalanced stereo audio Jack Connectors sources from 1 to 4 3 CV AUDIO IN RCA Connectors Connect to the composite video sources 1 and 2 4 YC AUDIO IN RCA Connectors Connect to the s Video unbalanced stereo audio sources 1 and 2 5 COMP UXGA AUDIO IN RCA Connectors Connect to the component video stereo audio sources 1 and 2 MASTER AUDIO OUT RCA Connectors Connect to the stereo audio acceptor The input selector button last pressed transmits the audio input signal of the sele
7. 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 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 Removalorinstallation 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 WHATWE WILL NOT PAY FOR We will pay labor and material expenses for covered items We will not pay for the following 1 Removalor installations charges 2 Costs of initial technical adjustments set up including adjustment of user controls or programming These costs are the 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
8. KRAMER ELECTRONICS LTD USER MANUAL MODEL VP 23C Presentation Switcher P N 2900 000202 Rev 3 VP 23C Quick Start Guide This page guides you through a basic installation and first time use of your VP 23C For more detailed information see the VP 23C user manual You can download the latest manual at http www kramerelectronics com Step 1 Check what s in the box VP 23C Presentation Switcher 1 Quick Start sheet 1 Power cord 1 User Manual 1 Null modem adapter Windows based 1 Set of rack ears Kramer control software 4 Rubber feet Step 2 Install the VP 23C Mount the machine in a rack using the included rack ears or attach the rubber feet and place on a table Step 3 Connect the inputs and outputs Step 4 Connect the power Connect the power cord to the VP 23C and plug it into the mains electricity Switch the power on to all devices Step 5 Operate the VP 23C Set the parameters using the OSD and the front panel buttons HOGA ia jm noo audio output wih the microphone signal Press a button to select an input on each switcher group CV s Video COMP UXGA and or VGA UXGA to route to the appropriate output Selected input buttons illuminate o0 Adjust MIC Volume Press increase or decrease MC buttons to adjust the MIC signal O oO Press the Lock button to lock the front panel buttons Press the Mute button to disconnect the audio inputs from th
9. O 2 1Vpp AUDIO 27Vpp LEVEL BANDWIDTH VIDEO VGA UXGA 400MHz AUDIO 40kHz 3dB s Video Y 310MHz Composite SDI video 310MHz Component video 380MHz HDTV compatible DIFF GAIN lt 0 07 all channels DIFF PHASE lt 0 05Deg all channels S N RATIO VIDEO 75dB all channels AUDIO 75aB 1 Vpp all channels CONTROLS 10 selector buttons master audio level mic audio level mix lock mute RS 232 POWER SOURCE 100 240V AC 50 60Hz 115V AC U S A 7VA DIMENSIONS 19 x 7 x 1U W D H rack mountable WEIGHT 2 6kg 8lbs approx ACCESSORIES Power cord null modem adapter Windows based Kramer control software Specifications are subject to change without notice at http www kramerelectronics com VP 23C Technical ifications 8 Default Communication Parameters RS 232 Protocol 2000 Baud Rate Data Bits Stop Bits Parity Command Format HEX Example Output 1 to Input 1 0x01 0x81 0x81 0x81 Ethernet IP Address 192 168 1 39 TCP Port Number 5000 Network Mask 255 255 255 0 Default Gateway 192 168 1 1 3C Default Communication Parameters 9 9 1 Hex Tables These tables list the Hex values which the protocol in Section 10 describes in more detail for the VP 23C Presentation Switcher Inputs Composite s Video OUT Component VGA UXGA Group Video OUT Video OUT OUT Composite orsisisi d e bl 01828181 wo Lt fp ose Cd s Video Pine G oie
10. cted channel to the master audio output 27 MIC IN 6 3mm Phone Jack Connector Connects to the microphone 28 Power Connector with Fuse AC connector enabling power supply to the unit INPUT SELECTOR ee 6 7 s o 12 3 N oO to D Figure 2 describes the underside of the VP 23C NORMAL FLASH PROGRAM DYN Mic COND Mic Figure 2 VP 23C Presentation Switcher Underside View Feature Function 1 NORMAL FLASH Select between NORMAL for normal operation the factory PROGRAM Switch default and FLASH PROGRAM to upgrade to the latest Kramer firmware 2 COND MIC DYN Select between a dynamic microphone and a condenser MIC Switch 4 Installing in a Rack Before Installing ina Rack Before installing in a rack be sure that the environment is within the recommended range OPERATING TEMPERATURE 0 to 55 C 32 to 131F STORAGE TEMPERATURE 45 to 72 C 49 to 162 F HUMIDITY 10 to 90 RHL non condensing CAUTION When installing on a 19 rack avoid hazards by taking care that 1 It is located within the recommended environmental conditions as the operating ambient temperature of a closed or multi unit rack assembly may exceed the room ambient temperature 2 Once rack mounted enough air will still flow around the machine 3 The machine is placed straight in the correct horizontal position 4 You do not overload the circu
11. e Master output This lets you output the microphone only OF OF Contents 1 Introduction 2 Getting Started 2 1 Achieving the Best Performance 3 Overview 3 1 Defining the VP 23C Switcher 4 Installing in a Rack 5 Connecting the VP 23C 5 1 Connecting to the VP 23C via RS 232 6 Operating the VP 23C Presentation Switcher 6 1 Operating your Switcher 7 Technical Specifications 8 Default Communication Parameters 9 Hex Tables 9 1 Audio Gain Control Hex Tables 10 Kramer Protocol 2000 Figures Figure 1 VP 23C Presentation Switcher Figure 2 VP 23C Presentation Switcher Underside View Figure 3 Connecting the VP 23C Presentation Switcher Figure 4 Crossed Cable RS 232 Connection Figure 5 Straight Cable RS 232 Connection with a Null Modem Adapter N WOMD 12 12 14 15 16 16 17 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 1 000 plus different models now appear in 11 groups that are clearly defined by function GROUP 1 Distribution Amplifiers GROUP 2 Switchers and Matrix Switchers GROUP 3 Control Systems GROUP 4 Format Standards Converters GROUP 5 Range Extenders and Rep
12. eaters 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 and GROUP 11 Sierra Products Congratulations on purchasing your Kramer VP 23C Presentation Switcher which is ideal for the following typical applications e Presentation and conference room systems e Production studios as well as rental and staging C Introduction 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 Use Kramer high performance high resolution cables Use only the power cord that is supplied with this machine Go to http www kramerelectronics com to check for up to date user manuals application programs and to check if firmware upgrades are available where appropriate 2 1 Achieving the Best Performance To achieve the best performance e Use only good quality connection cables to avoid interference deterioration in signal quality due to poor matching and elevated noise levels often associated with low quality cables e Avoid interference from neighboring electrical appliances that may adversely influence signal quality e Position your Kramer VP 23C away from moisture excessive sunlight and dust 2 VP 23C Getting Started 3 Overview The VP 23C is a high qualit
13. ee TC Component mi osassa vao f m 01026951 EEE l Oooo es oam VGA TUK 01828481 o ms Tt sz 8 oma es 01 846481 Master Audio Selector Audio Gain Control Hex Tables The next tables describe the audio gain controls When controlling the VP 23C via RS 232 read the note to command 42 in the communication protocol Set Relative Audio Gain of Master Audio Out Gain Gain by One Master Out Microphone Step 18818081 18828081 18828181 18828181 16 81 DF 81 16 81 EB 81 16 81 FF 81 16dB For the microphone gain control the second byte equals 82 10 Kramer Protocol 2000 The VS 23C is compatible with Kramer s Protocol 2000 version 0 48 below This RS 232 RS 485 communication protocol uses four bytes of information as defined below For RS 232 a null modem connection between the machine and controller is used The default data rate is 9600 baud with no parity 8 data bits and 1 stop bit DESTINATION INSTRUCTION MACHINE NUMBER A Te 6 E e e E z b b i b 1 BYTE Bit 7 Defined as 0 D DESTINATION 0 for sending information to the switchers from the PC 1 for sending to the PC from the switcher N5 NO INSTRUCTION The function that is to be performed by the switcher s is defined by the INSTRUCTION 6 bits Similarly if a function is performed via the machine s keyboard then these bits are set with the INSTRUCTION NO which was
14. ent Component Video Player 2 Video Player 1 Projector Amplifier Computer Graphics Source Figure 3 Connecting the VP 23C Presentation Switcher Connecting to the VP 23C via RS 232 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 Method A Figure 4 Connect the RS 232 9 pin D sub port on the unit via a crossed cable only pin 2 to pin 3 pin 3 to pin 2 and pin 5 to pin 5 need be connected to the RS 232 9 pin D sub port on the PC Note There is no need to connect any other pins VP 23C Connecting the VP 23C Figure 4 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 Method B Figure 5 Connect the RS 232 9 pin D sub port on the unit via 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
15. gured as MACHINE NUMBER 1 Kramer Protocol 2000 INSTRUCTION DEFINITION FOR SPECIFIC INSTRUCTION DESCRIPTION INPUT OUTPUT RESET MACHINE 1 SWITCH GROUPS A jar Set equal to video and audio inputs to be switched for the relative group output is to be switched SWITCH AUDIO OUTPUTS TO 1 4 Set equal to audio output to be MASTER AUDIO OUT switched to Master Audio out REQUEST GROUP STATUS which status is required Don t care 0 Invalid instruction 1 Out of range or ee rs Alp O ao REQUEST STATUS OF MASTER AUDIO OUTPUT REQUEST BREAKAWAY SETTING ERROR 1 6 D E RESET MACHINE 22 SET AUDIO PARAMETER Value Parameter Audio gain 1 Audio Master 2 Microphone Mix microphone ix ON INCREASE DECREASE 1 audio master 0 increase output AUDIO PARAMETER 2 microphone REQUEST AUDIO Equal to input output number PARAMETER whose parameter is requested 1 audio master 2 microphone LOCK FRONT PANEL 0 Panel unlocked SETTINGS FOR 7 1 Panel locked 4 Mix mode INSTRUCTIONS 22 25 SET AUTO SAVE 1 Autosave Po 2 No save IDENTIFY MACHINE 1 or 2 Machine name 0 request first 4 digits 3 or 4 Program version 1 request first suffix 10 request first prefix DEFINE MACHINE 1 Number of inputs 1 For video 2 Number of outputs 2 For audio rh 4 30 wo 1 REQUEST WHETHER PANEL IS LOCKED 2 AUDIO PARAMETER A
16. it s When connecting the machine to the supply circuit overloading the circuits might have a detrimental effect on overcurrent protection and supply wiring Refer to the appropriate nameplate ratings for information For example for fuse replacement see the value printed on the product label 5 The machine is earthed grounded in a reliable way and is connected only to an electricity socket with grounding Pay particular attention to situations where electricity is supplied indirectly when the power cord is not plugged directly into the socket in the wall for example when using an extension cable or a power strip and that you use only the power cord that is supplied with the machine VP 23C Installing in a Rack How to Rack Mount To rack mount a machine 1 Attach both ear brackets to the machine To do so remove the screws from each side of the machine 3 on each side and replace those screws through the ear brackets 2 Place the ears of the machine against the rack rails and insert the proper screws not provided through each of the four holes in the rack ears Note e In some models the front panel may feature built in rack ears e Detachable rack ears can be removed for desktop use e Always mount the machine in the rack before you attach any cables or connect the machine to the power e If you are using a Kramer rack adapter kit for a machine that is not 19 see the Rack Adapter
17. mal 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 NOTE 7 GAIN VALUE Number from 0 to 127 NOTE 8 Answer Current Audio Gain 0 127 If the Audio Gain 0 the MUTE button is illuminated NOTE 9 When changing parameters mix or gain further information needed in instructions 22 and 25 is sent using instruction 42 which is sent prior to the instruction For example to request the audio gain value of the master audio output 2A 80 80 81 and then send HEX codes 19 81 80 81 To set MIX mode send hex codes 2A 81 84 81 and then send HEX codes 16 80 81 81 VP 23C Kramer Protocol 2000 19 LIMITED WARRANTY We warrant this product free from defects in material and workmanship under the following terms HOWLONGISTHE WARRANTY Labor and parts are warranted for seven years from the date of the first customer purchase WHOIS PROTECTED Only the first purchase customer may enforce this warranty WHATIS COVERED AND WHATIS 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 1 Any product which is not distributed by us 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
18. o player 2 to the COMP UXGA IN 2 15 pin HD connector One VGA UXGA source for example a computer graphics source to the VGA UXGA IN 1 15 pin HD connector 2 Connect the acceptors to a projector as follows In this example a projector is used but you can also connect separate outputs such as displays video recorders and so on The composite video CV OUT RCA connector to the composite video input of the projector VP 23C Connecting the VP 23C The COMP UXGA OUT 15 pin HD connector to the component video input of the projector When connecting a component video input or output connect Y to PIN 1 U to PIN 2 and V to PIN 3 on the 15 pin HD connector The VGA UXGA OUT 15 pin HD connector to the VGA UXGA input of the projector 3 Connect the appropriate unbalanced stereo audio sources not shown in Figure 3 4 Connect the MASTER AUDIO OUT RCA connectors to an amplifier with speakers 5 Connect a dynamic or a condenser microphone if required to the MIC IN 6 3 mm phone jack connector Use the COND MIC DYN MIC switch refer to item 2 in Figure 2 to select a dynamic microphone or a condenser 6 As an option you can connect a PC and or controller to the RS 232 port see Section 5 1 7 Connect the power cord not shown in Figure 3 VP 23C Connecting the VP 23C 5 1 Audio input connections are not shown Composite Video Player 1 Composite Video Player 2 VGA MIC Compon
19. performed The instruction codes are defined according to the table below INSTRUCTION NO is the value to be set for N5 NO0 2 BYTE Bit 7 Defined as 1 16 10 INPUT When switching ie instruction codes 1 and 2 the INPUT 7 bits is set as the input number which is to be switched Similarly if switching is done via the machine s front panel then these bits are set with the INPUT NUMBER which was switched For other operations these bits are defined according to the table 3 BYTE Bit 7 Defined as 1 O6 00 OUTPUT When switching ie instruction codes 1 and 2 the OUTPUT 7 bits is set as the output number which is to be switched Similarly if switching is done via the machine s front panel then these bits are set with the OUTPUT NUMBER which was switched For other operations these bits are defined according to the table 4 BYTE Bit 7 Defined as 1 Bit 5 Don t care OVR Machine number override M4 MO MACHINE NUMBER Used to address machines in a system via their machine numbers When several machines are controlled from a single serial port they are usually configured together with each machine having an individual machine number If the OVR bit is set then all machine numbers will accept implement the command and the addressed machine will reply For a single machine controlled via the serial port always set M4 MO 1 and make sure that the machine itself is confi
20. pins Null Modem Adapter Figure 5 Straight Cable RS 232 Connection with a Null Modem Adapter VP 23C Connecting the VP 23C 6 6 1 Operating the VP 23C Presentation Switcher You can operate your VP 23C via e The front panel buttons e RS 232 serial commands transmitted by a touch screen system PC or other serial controller The front panel buttons include the INPUT SELECTOR buttons the MASTER and MIC AUDIO LEVEL BUTTONS and the MUTE LOCK and MIX buttons Operating your Switcher You can select the video signals within each switcher group by pressing the relevant INPUT SELECTOR buttons You can overlook a switcher group and choose not to select a button from it You can switch e One of the two composite video VIDEO CV inputs to the composite video output You cannot select more than one button in a section e One of the two s Video Y C inputs to the s Video output e One of the two component video COMP UXGA inputs to the component video output e One of the four VGA UXGA inputs to the VGA UXGA output The selected button in each group is illuminated in red Pressing an illuminated button for more than 2 seconds disconnects the output and the button no longer illuminates The VP 23C operates in the audio follow video AFV mode so that the audio signal follows the selected input signal in which all operations relate to both the video and the audio channels The
21. s user manual for installation instructions available from http www kramerelectronics com Connecting the VP 23C Always switch off the power to each device before connecting it to your VP 23C After connecting your VP 23C connect its power and then switch on the power to each device In Figure 3 the audio input connections are not shown except for the microphone In this example all the outputs are connected to the same projector Use the projector controller to switch between the VP 23C video outputs or the projector inputs To connect the VP 23C as illustrated in the example in Figure 3 do the following You do not need to connect all the inputs 1 Connect the following video sources Although in this example not all the sources are connected for example the s Video source you can connect all of the inputs that is 10 in total One composite video source for example composite video player 1 to the CV IN 1 RCA connector One composite video source for example a composite video player 2 to the CV IN 2 RCA connector One component video source for example component video player 1 to the COMP UXGA IN 1 15 pin HD connector When connecting a component video input or output connect Y to PIN 1 U to PIN 2 and V to PIN 3 on the 15 pin HD connector When the 15 pin HD connector is used for UXGA signals the syncs are on PIN 13 and PIN 14 One component video source for example a component vide
22. y presentation switcher designed for a wide variety of presentation and multimedia applications The VP 23C includes four switcher groups that combine the functions of a 2x1 switcher for composite video a 2x1 switcher for s Video a 2x1 switcher for component video UXGA and a 4x1 switcher for VGA UXGA type signals Each video input has its own unbalanced stereo audio input There is also an independent unbalanced stereo master audio output which can select a signal from any of the 10 audio inputs In addition the VP 23C features e 10 selector buttons and front panel control buttons for the master audio output level and microphone level e Control of each switcher group independently from the other sections e HDTV compatibility e Control via the front panel buttons or by RS 232 serial commands transmitted by a touch screen system PC or other serial controller e Mixing the mic with the master output signal or by muting the master output signal e A lock button to prevent unintentional tampering with the front panel buttons 3 1 Defining the VP 23C Presentation Switcher This section defines the VP 23C Figure 1 VP 23C Presentation Switcher VP 23C Overview Feature Function POWER Switch Illuminated switch for turning the unit ON or OFF VIDEO CV Buttons Select the composite video audio input 1 and 2 s VIDEO Y C Buttons Select the s Video audio input 1 and 2 COMP UXGA Buttons Select the component video audio
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