Kramer Electronics VA-8XL volume control
Contents
1. weal Em 9 Device gt Select Figure 14 Atmel Flip Window 3 Press the keyboard shortcut key F4 or select the Read Configuration File command from the File menu or press the keys Alt FR The Open Configuration File window appears Open Configuration File 2 x atone res daaa a FLIP CFG VaBxl cfg 16 Figure 15 Open Configuration File Select Window 4 Choose the file Va8xl cfg by double clicking it If COM 2 was not selected see Section 7 2 an RS 232 error message appears In the Atmel Flip window the Operations Flow column is disabled and crosses appear in the third column A 8xl Upgrading the Flas 15 x eiS ele a a OE 9 RS232 Communication x Figure 16 Atmel Flip Window RS 232 Communication 5 Click OK and press the keyboard shortcut key F3 or select the Communication RS232 command from the Settings menu or press the keys Alt SCR The RS232 window appears Change the COM port Figure 17 RS 232 Window 6 Click Connect In the Atmel Flip window in the Operations Flow column the Run button is active and the name of the chip appears as the name of the third column T89C51RD2 Verify that in the Buffer Information column the HEX File Va8xl hex appears VA 8xl Upgrading the Flash Memory Atmel Flip 1 8 ES e SGT d REIP 2 EN fo Fc FF2. fis EN FF g C C Figure 18 Atmel Flip Window Connected 7 Click Run After each stage in the operation is completed the check box for that stage becomes colored green see also the blue progress indicator on the status bar When the operation is completed all 4 check boxes will be colored green and the status bar message Memory Verify Pass appears If an error message Not Finished shows click Run again 8 Upgrading the Flash Memory Atmel Flip 1 8 8 Bes mS Zl 9 Baer Infomation mmm e c Ir m m Fr Figure 19 Atmel Flip Window Operation Completed 8 Close the Atmel Flip window 9 Turn the POWER switch on the VA 8xl OFF 10 Disconnect the RS 232 9 D sub rear panel port on the VA 8xI unit from the null modem adapter 11 Set DIP 7 OFF 12 Set DIP 8 OFF 13 Turn the POWER switch on the VA 8xl ON Upon initialization the new VA 8xl software version shows in the RIGHT LED display VA 8xl Upgrading the Flash Memory 8 Technical Specifications INPUTS 8 balanced stereo audio 4dBm 30kQ on detachable terminal blocks OUTPUTS 8 balanced stereo audio 4dBm 50Q on detachable terminal blocks NOISE FLOOR 90dB GAIN OdB 0 006 4dBu 1kHz 0 to 55 C 32 to 131 F STORAGE TEMPERATURE 45 to 72 C 49 to 162 F 10 to 90 RHL non condensing 19 x 7 x 1U W D H rack
3. Connect to audio sources from 1 to 8 Connect to audio acceptors from 1 to 8 Pin 1 is for Ground Pin 2 is for Pin 3 is for Connects to the PC or the Remote Controller DIP switches for setup of the unit n 4 Connecting the VA 8xl Always switch off the power to each device before connecting it to your VA 8xl After connecting your VA 8xl connect its power and then Switch on the power to each device To connect the VA 8xI as illustrated in the example in Figure 6 1 Using the appropriate wiring shown in the figures below connect up to 8 balanced stereo audio sources for example a tape deck to INPUT CHANNEL 1 8 via terminal block connectors You do not have to connect all channels 2 Using the appropriate wiring shown in the figures below connect up to 8 balanced stereo audio acceptors for example a stereo amplifier to OUTPUT CHANNEL 1 8 via terminal block connectors You do not have to connect all channels 3 If required connect a PC via RS 232 see Page 8 G G G R R R G t G t Figure 3 Balanced Stereo Figure 4 Unbalanced Figure 5 Unbalanced Audio Connection Stereo Audio Input Stereo Audio Output Connection Connection 6 VA 8xl Connecting the VA 8x Balanced Stereo Audio Acceptor 1 B Audio Balanced Stereo Audio Acceptor 8 J i eee Balanced Stereo Balanced Stereo Audio Source 1 Audi
4. e Connect the balanced unbalanced audio sources acceptors to the rear panel on each unit see Section 4 e Connect a PC or other controller see Section 6 3 1 e Set the DIP switches on each unit see Section 6 2 1 e Connect the power cord on each unit Figure 10 illustrates how to configure up to 15 VA 8xl units TIE M ee ON TET oy ITE om TED v Machine 1 ay rrr mj Tm 20 my n d v Machine 2 8 E aui SETUP MS Machine 15 RS 232 Figure 10 Configuring up to 15 VA 8xl Units 6 3 1 Connecting a Control Interface on a Set of Units To connect the control interface on a set of units do one of the following e Connect the RS 232 port on the first VA 8xl unit to a PC or other controller and then connect the RS 232 port on each of the VA 8xl units using the specially prepared RS 232 cable see Section 6 3 2 or e Connect a PC or other controller to the RS 232 in 9 pin D sub port on a Kramer Tools VP 43xl Interface Converter and connect the RS 485 port on the VP 43xl to the RS 485 ports on each of the VA 8xl units see Section 6 3 3 6 3 2 Preparing the RS 232 Port on a Set of Units To connect a PC to a set of VA 8xl units do the following 1 Prepare the RS 232 9 pin
5. D sub F connector A by connecting PIN 4 to PIN 6 and connecting PINS 8 7 and 1 together 2 Attach the RS 232 9 pin D sub connector to another RS 232 9 pin D sub M connector B by connecting PIN 5 to PIN 5 PIN 3 to PIN 2 and PIN 2 to PIN 3 3 Connect the RS 232 9 pin D sub F connector A to your PC s RS 232 9 pin D sub M port 4 Attach the RS 232 9 pin D sub M connector B to another RS 232 9 pin D sub M connector C by connecting PIN 5 to PIN 5 PIN 8 to PIN 3 PIN 9 to PIN 2 5 Connect the RS 232 9 pin D sub M connector B to the RS 232 9 pin D sub F port on the first 8 1 unit 6 Attach the RS 232 9 pin D sub M connector C to another RS 232 9 pin D sub M connector if required by connecting PIN 5 to PIN 5 PIN 8 to PIN 3 PIN 9 to PIN 2 7 Connect the RS 232 9 pin D sub M connector C to the RS 232 9 pin D sub F port on the next VA 8xl unit PIN 5 Connected to PIN 5 Ground PIN 5 Connected to PIN 5 Ground PIN 3 Connected to PIN 2 PIN 8 Connected to PIN 3 PIN 2 Connected to PIN 3 PIN 9 Connected to PIN 2 4 Up to 15 Meters Up to gt 15 Meters 55 To PIN 5 To PIN 2 To PIN 3 A eB oC To PC 9 pin D sub PIN 4 Connected to PIN 6 To First VA 8xl To Next VA 8xl PINS 8 7 1 Connected together Unit 9 pin D sub Unit 9 pin D sub Figure 11 Preparing the RS 232 Connectors VA 8xl Controlling the VA 8xl 6 3 3 Conn
6. Kramer Electronics or iii this product is not purchased from an authorized Kramer Electronics reseller If you are unsure whether a reseller is an authorized Kramer Electronics reseller please visit our Web site at www kramerelectronics com or contact a Kramer Electronics office from the list at the end of this document Your rights under this limited warranty are not diminished if you do not complete and return the product registration form or complete and submit the online product registration form Kramer Electronics thanks you for purchasing a Kramer Electronics product We hope it will give you years of satisfaction VA 8xl Kramer Protocol 2000 the latest information on our products and 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 KRAMER E mail info kramerel com SAFETY WARNING Disconnect the unit from the power e supply before opening and servicing P N 2900 300151 Rev
7. apply to you Exclusive Remedy TO THE MAXIMUM EXTENT PERMITTED BY LAW THIS LIMITED WARRANTY AND THE REMEDIES SET FORTH ABOVE ARE EXCLUSIVE AND IN LIEU OF ALL OTHER WARRANTIES REMEDIES AND CONDITIONS WHETHER ORAL OR WRITTEN EXPRESS OR IMPLIED TO THE MAXIMUM EXTENT PERMITTED BY LAW KRAMER ELECTRONICS SPECIFICALLY DISCLAIMS ANY AND ALL IMPLIED WARRANTIES INCLUDING WITHOUT LIMITATION WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IF KRAMER ELECTRONICS CANNOT LAWFULLY DISCLAIM OR EXCLUDE IMPLIED WARRANTIES UNDER APPLICABLE LAW THEN ALL IMPLIED WARRANTIES COVERING THIS PRODUCT INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE SHALL APPLY TO THIS PRODUCT AS PROVIDED UNDER APPICABLE LAW IF ANY PRODUCT TO WHICH THIS LIMITED WARRANTY APPLIES IS A CONSUMER PRODUCT UNDER THE MAGNUSON MOSS WARRANTY ACT 15 U S C A 82301 ET SEQ OR OTHER APPICABLE LAW THE FOREGOING DISCLAIMER OF IMPLIED WARRANTIES SHALL NOT APPLY TO YOU AND ALL IMPLIED WARRANTIES ON THIS PRODUCT INCLUDING WARRANTIES OF MERCHANTABILITY AND FITNESS FOR THE PARTICULAR PURPOSE SHALL APPLY AS PROVIDED UNDER APPLICABLE LAW Other Conditions This limited warranty gives you specific legal rights and you may have other rights which vary from country to country or state to state This limited warranty is void if i the label bearing the serial number of this product has been removed or defaced ii the product is not distributed by
8. free to decide whether to connect only these 3 pins or all 9 pins Null Modem Adapter Figure 8 Straight Cable RS 232 Connection with a Null Modem Adapter 6 2 1 DIP Switch Settings Configure the VA 8xl by setting the DIP switches as defined in Figure 9 YON 12345678 Figure 9 Rear Panel DIP switches Factory Default DIP Function Set the MACHINE see Section 6 2 2 RS 485 termination for first and last machine ON RS 485 line terminates with 110Q for others OFF RS 485 line is open Used for the firmware upgrade procedure see Section 7 6 2 2 Setting the MACHINE To control a unit via RS 232 or RS 485 each unit has to be identified via its unique MACHINE Set the MACHINE on a VA 8xl unit according to the following table A valid MACHINE is from 1 to 15 6 3 1 Controlling the VA 8xl For a single stand alone machine set as MACHINE 1 MACHINE DIP SWITCH a le 4 ov OFF orr OFF 2 orr OFF fon fon Jorr forr 5 ox jore on FF e OFF ON ON OFF z FON ON ON OFF 8 OFF OFF OFF ON 9 ON OFF OFF ON 10 JOFF OFF ON 11 ON OFF ON 12 ON ON 13 JON OFF ON ON 14 ON ON 15 JON on on Configuring up to a 120 Channel Balanced Stereo Audio Amplifier To connect up to 15 8 units do the following
9. may be a pop or click on the output of the muted channel 3rd BYTE Bit 7 MSB Defined as 1 Bits 6 0 7 least significant bits of data 4th BYTE Bit 7 MSB Defined as 1 Bit 5 MSB of data 7 LSBs are in 3rd byte Bits 4 0 MACHINE NUMBER For RS 232 a null modem connection between the machine and controller is used For both RS 232 RS 485 interfaces the default data rate is 9600 baud with no parity 8 data bits and 1 stop bit All the values in the table are decimal unless otherwise stated INSTRUCTION DESCRIPTION 3rd BYTE 22dec SET AUDIO GAIN Set 7 LSBs of gain value 16hex Gain dB 31 5 0 5x 255 DATA 24dec INCREASE DECREASE 0 increase gain 18hex AUDIO GAIN 1 decrease gain 25dec REQUEST AUDIO GAIN As in Instruction 22dec above 19hex When requesting both channels the reply is e For equal left and right gain bits 5 bit 6 e For unequal left and right gain bits 6 0 bit 5 1 for reply for left channel In addition to the above instructions 15 18 19 20 61 62 decimal of Kramer s Protocol 2000 are also fully implemented in the unit For instructions 18 and 19 setups 01 to 15 decimal are valid See the following examples EXAMPLES COMMAND EXAMPLES MACHINE 1 Set channel 7 both left and right gain 88dB Set channel 10 left gain 32 5dB Set channel 10 right gain OdB Set channel 16 both left and right gain 8dB 18h EFh 80h 81h Increment increase on 0 5 on lef
10. 16 XX CA81 585 585 16 81 58 58 5295 16 XK 85 565 565 16 OF 81 5285 16 XX SAT s 16 xx 16 XK 86 Ai 555 555 I 16 XX 89 1 55 55 6 xx 02 ot 16 308A 16 XX 88 Ai 54 16 XX 8C A1 16 XX 8D Ai 53 16 XX 8E A1 16 XX 8F 52 2 16 XX D8 81 4 16 XX 90 A1 16 XX D9 81 258 16 XX 91 Ai 16 XX DASI 28 16XX92 A 505 50 5 16 XX DB 81 2 16 93 A1 50 50 16 XX DC 81 16 94 A1 49 5 16 DD 81 16 95 A1 16 DE 81 16 XX 96 A1 5 4 16 XX DF 81 16 XX 97 A1 16 XX E0 81 16 98 A1 5 4 16 XX E1 81 16 99 A1 16 XX E2 81 16 XX 9A A1 5 4 16 E3 81 16 XX 9B A1 16 XX 4 81 16 XX 9C A1 5 4 16 XX E5 81 16 XX 9D A1 16 XX E6 81 16 XX 9E A1 445 445 16 XX E7 81 16 XX 9F A1 16 E8 81 16 XX A0 A1 16 XX E9 81 16 XX A1 A1 8 VA 8xl LED Hex Codes i LED 16 XX B2 81 16 XX B3 81 16 XX B4 81 16 XX B5 81 16 XX B6 81 16 XX B7 81 16 XX A8 A1 2 16 XK AS Ai 16 XX AA A1 16 30 AB Ai 16 XX AC A1 es os 163XA5 1 s o PrE ss es 1639 Hex Codes LED Hex Codes 16 XX A2 A1 16 A3 A1 16 XX A4 A1 16 XX A5 A1 4 16 XX A6 A1 16 XX A7 16 XX B8 A1 16 XX B9 A1 16 XX BA A1 16 XX BB A1 16 XX BC A1 16 XX BD A1 16 XX BE A1 16 XX BF A1 10 2 Hex Codes for Amplification Gain Control Gain dB 0 LED Hex Codes i LED po fo tex coat 16 XX C
11. 2 A1 25 328 16 xx 65 A 945 5 2 16 C9 A1 Hex Codes Gain LED Hex Codes CEJ 16 XX F5 A1 5 16 XX CB A1 16 XX CD A1 16 XX CF A1 16 XX F7 A1 16 XX F8 A1 16 XX F9 A1 5 16 XX E5 A1 16 XX FB A1 E 16 XX D3 A1 es Channel Left Right Both 0 1 3 Poa ot fer 2 4 M o s es 8 os 16 XX E7 A1 305 16 XX FD A1 16 E8 A1 31 16 XX FE M 16 XX E9 A1 31 5 16 XX FF A1 Channel Left Right Both 75 15 fo feo 5 8 jo Fo VA 8xl Kramer Protocol 2000 LIMITED WARRANTY The warranty obligations of Kramer Electronics for this product are limited to the terms set forth below Whatis Covered This limited warranty covers defects in materials and workmanship in this product What is Not Covered This limited warranty does not cover any damage deterioration or malfunction resulting from any alteration modification improper or unreasonable use or maintenance misuse abuse accident neglect exposure to excess moisture fire improper packing and shipping such claims must be presented to the carrier lightning power surges or other acts of nature This limited warranty does not cover any damage deterioration or malfunction resulting from the installation or removal of this product from any installation any unauthorized tampering with this product any repairs attempted by anyone unauthorized by Kramer Electroni
12. Electronics resellers and or Kramer Electronics authorized service providers please visit our web site at www kramerelectronics com or contact the Kramer Electronics office nearest you In order to pursue any remedy under this limited warranty you must possess an original dated receipt as proof of purchase from an authorized Kramer Electronics reseller If this product is returned under this limited warranty a return authorization number obtained from Kramer Electronics will be required You may also be directed to an authorized reseller or a person authorized by Kramer Electronics to repair the product Ifitis decided thatthis product should be returned directly to Kramer Electronics this product should be properly packed preferably in theoriginal carton for shipping Cartons not bearing a return authorization number will be refused Limitation on Liability THE MAXIMUM LIABILITY OF KRAMER ELECTRONICS UNDER THIS LIMITED WARRANTY SHALL NOT EXCEED THE ACTUAL PURCHASE PRICE PAID FOR THE PRODUCT TO THE MAXIMUM EXTENT PERMITTED BY LAW KRAMER ELECTRONICS IS NOT RESPONSIBLE FOR DIRECT SPECIAL INCIDENTAL OR CONSEQUENTIAL DAMAGES RESULTING FROM ANY BREACH OF WARRANTY OR CONDITION OR UNDER ANY OTHER LEGAL THEORY Some countries districts or states do not allow the exclusion or limitation of relief special incidental consequential or indirect damages or the limitation of liability to specified amounts so the above limitations or exclusions may not
13. KRAMER ELECTRONICS LTD USER MANUAL MODEL V A 8xl 8 Channel Balanced Stereo Audio Amplifier 2900 300151 Rev 1 VA 8xl Quick Start Guide This page guides you through a basic installation and first time use of your VA 8xl For more detailed information see the VA 8xl User Manual You can download the latest manual at http www kramerelectronics com Step 1 Check what s in the box VA 8xl 8 Channel Balanced E Quick Start sheet Stereo Audio Amplifier 1 User Manual g 1 Power cord Windows based Kramer 4 Rubber feet control software Step 2 Install the VA 8xl Mount the machine in a rack or attach the rubber feet and place on a table Step 3 Connect the inputs and outputs Stereo Computer Amplifier Controller Step 4 Connect the power Connect the power cord to the VA 8xl and plug it into the mains electricity Step 5 Operate the VA 8xl Select the channel choose RIGHT or LEFT and adjust the volume level UP or DOWN CHANNEL SELECTOR LEVEL uP LEFT RIGHT 00000600 B Contents Introduction 2 Getting Started 2 1 Achieving the Best Performance 3 Overview 3 1 Defining the VA 8xl 8 Channel Balanced Stereo Audio Amplifier 4 Connecting the VA 8xl 5 Operating the VA 8xl 5 1 Adjusting the Gain Attenuation of the Channels 5 2 Storing and Recalling Setups 6 Controlling the VA 8xl 6 1 Controlling a Single VA 8xl Unit 6 2 Preparing the RS 232 Port on a Single Un
14. 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 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 and GROUP 11 Sierra Products Congratulations on purchasing your Kramer VA 8xl 8 Channel Balanced Stereo Audio Amplifier which is ideal for the following typical applications e Large presentation audio level control e Audio broadcast and editing studios e PAremote audio level control 2 2 1 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 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 applicatio
15. control a single VA 8xl unit connect the following to the rear panel e PCorother controller see Section 6 2 Preparing the RS 232 Port on a Single Unit e Set the DIP switches see Section 6 2 1 e Power cord Preparing the RS 232 Port on a Single Unit 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 7 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 5 2 se 4 Figure 7 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 8 Connect the RS 232 9 pin D sub port on the unit 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
16. costs necessary to return this product once the repair is complete 2 Replace this product with a direct replacement or with a similar product deemed by Kramer Electronics to perform substantially the same function as the original product 3 Issue a refund of the original purchase price less depreciation to be determined based on the age of the product at the time remedy is sought under this limited warranty What Kramer Electronics will not do Under This Limited Warranty If this product is returned to Kramer Electronics or the authorized dealer from which it was purchased or any other party authorized to repair Kramer Electronics products this product must be insured during shipment with the insurance and shipping charges prepaid by you If this product is returned uninsured you assume all risks of loss or damage during shipment Kramer Electronics will not be responsible for any costs related to the removal or re installation of this product from or into any installation Kramer Electronics will not be responsible for any costs related to any setting up this product any adjustment of user controls or any programming required for a specific installation of this product How to Obtain a Remedy under this Limited Warranty To obtain a remedy under this limited warranty you must contact either the authorized Kramer Electronics reseller from whom you purchased this product or the Kramer Electronics office nearest you For a list of authorized Kramer
17. cs to make such repairs or any other cause which does not relate directly to a defect in materials and or workmanship of this product This limited warranty does not cover cartons equipment enclosures cables or accessories used in conjunction with this product Without limiting any other exclusion herein Kramer Electronics does not warrant that the product covered hereby including without limitation the technology and or integrated circuit s included in the product will not become obsolete or that such items are or will remain compatible with any other product or technology with which the product may be used How Long Does this Coverage Last Seven years as of this printing please check our Web site for the most current and accurate warranty information Whois Covered Only the original purchaser of this product is covered under this limited warranty This limited warranty is not transferable to subsequent purchasers or owners of this product What Kramer Electronics will do Kramer Electronics will at its sole option provide one of the following three remedies to whatever extent it shall deem necessary to satisfy a proper claim under this limited warranty 1 Elect to repair or facilitate the repair of any defective parts within a reasonable period of time free of any charge for the necessary parts and labor to complete the repair and restore this product to its proper operating condition Kramer Electronics will also pay the shipping
18. ecalling up to 15 configuration setups via the non volatile memory using the front panel buttons or remotely via RS 232 or RS 485 ALED display on the front panel showing the gain of the selected channel that is its left and right decibel status Easy to connect detachable terminal block connectors A rugged professional 1U rack mountable enclosure and ship with Windows based software Defining the VA 8xl 8 Channel Balanced Stereo Audio Amplifier This section defines the VA 8xl JA X 8g V IX9 CHANNEL SELECTOR 00000000 8 Channel Balanced Stereo Audio Amplifier Figure 1 VA 8xl 8 Channel Balanced Stereo Audio Amplifier Front Panel Feature Function 1 EE POWER Switch Illuminated switch supplying power to the unit 2 CHANNEL SELECTOR Buttons a Select deselect the stereo channel from 1 to 8 b Select a setup number from 1 to 15 3 DOWN Decreases the volume in increments of 0 5dB from 95dB to 31dB gain b Stores the current setting in the non volatile memory LEFT Selects deselects the left channel UP a Increases the volume in increments of 0 5dB from 95dB to 31dB gain b Recalls a setup from the non volatile memory RIGHT Selects deselects the right channel LEFT dB LED Display Shows the gain of the selected left channel 8 RiGHT dB LED Display Shows the gain of the selected right channel LEVEL Control Feature Function
19. ecting the RS 485 Control Interface To connect an RS 485 connector on one VA 8xl unit to an RS 485 connector on another unit 1 Connect the PIN on the first VA 8xl unit to the PIN on the second VA 8xl unit 2 Connect the PIN on the first VA 8xl unit to the PIN on the second VA 8xl unit 3 Ifshielded cable is used for an RS 485 connection connect the shield to the Ground PIN Figure 12 illustrates the RS 485 line that connects e Between each VA 8xl unit e To the PC via a Kramer Tools VP 43xl Interface Converter connect the PC s 9 pin D sub COM port to the RS 232 in 9 pin D sub F port on the VP 43xl Next connect the RS 485 port on the VP 43xl to the RS 485 ports on the VA 8xl units TEC HEI RS 232 IN RS 232 OUT RS 422 KRAMER TOOLS 1 Interface Converter VP 43 RS 485 SETUP ON 12VDC GAB 1 MACHINE 2 MACHINE 15 Figure 12 An RS 485 Control Interface Setup VA 8xl Controlling the VA 8xl 7 7 1 7 2 Upgrading the Flash Memory The VA 8xl firmware is located in FLASH memory which lets you upgrade to the latest Kramer firmware version in minutes The process involves e Downloading from the Internet see Section 7 1 e Connecting the PC to the RS 232 port see Section 7 2 e Upgrading Firmware see Section 7 3 Downloading from the Internet You can download the up to date file from the Inter
20. it 6 3 Configuring up to a 120 Channel Balanced Stereo Audio Amplifier 7 Upgrading the Flash Memory 7 1 Downloading from the Internet 7 2 Connecting the PC to the RS 232 Port 7 3 Upgrading Firmware 8 Technical Specifications 9 Default Communication Parameters 10 Kramer Protocol 2000 10 1 Hex Codes for Attenuation Gain Control 10 2 Hex Codes for Amplification Gain Control 10 3 Channel Number Codes Figures Figure 1 VA 8xl 8 Channel Balanced Stereo Audio Amplifier Front Panel Figure 2 VA 8xl 8 Channel Balanced Stereo Audio Amplifier Rear Panel Figure 3 Balanced Stereo Audio Connection Figure 4 Unbalanced Stereo Audio Input Connection Figure 5 Unbalanced Stereo Audio Output Connection Figure 6 Connecting the VA 8xl 8 Channel Balanced Stereo Audio Amplifier Figure 7 Crossed Cable RS 232 Connection Figure 8 Straight Cable RS 232 Connection with a Null Modem Adapter Figure 9 Rear Panel DIP switches Factory Default Figure 10 Configuring up to 15 VA 8xl Units Figure 11 Preparing the RS 232 Connectors Figure 12 An RS 485 Control Interface Setup Figure 13 Splash Screen Figure 14 Atmel Flip Window Figure 15 Open Configuration File Select Window Figure 16 Atmel Flip Window RS 232 Communication Figure 17 RS 232 Window Figure 18 Atmel Flip Window Connected Figure 19 Atmel Flip Window Operation Completed Qoo Introduction Welcome to Kramer Electronics Since 1981
21. le memory When the LEDs are dimmed you cannot change the gain or attenuation the values are for observation only 2 Press the LEFT LEVEL and or the RIGHT LEVEL button The decibel values of the selected channel appear in the bright LEFT and or RIGHT LED display 5 2 3 Press the UP or DOWN button once to increase or decrease as appropriate in increments of 0 5dB Press and hold the UP or DOWN button to increase or decrease the decibel level by a significant amount Press the LEFT LEVEL or the RIGHT LEVEL button to set the level The bright LEFT and or RIGHT LED display becomes dim again preventing unintentionally altering the settings Storing and Recalling Setups You can store recall up to 15 settings in the non volatile memory via the front panel buttons or remotely via RS 232 or RS 485 A setting refers to the gain attenuation level of the selected channel that appears in the dimmed LED displays and each setting includes all 8 channels To store a setting via the front panel buttons 1 Note When the LED displays are dimmed press the DOWN button The abbreviation StO store appears in the LEFT LED display Choose a setup number between 1 to 8 by pressing the appropriate CHANNEL SELECTOR button The abbreviation StO store appears in the LEFT LED display and the setup number appears in the RIGHT LED display Press the same CHANNEL SELECTOR button again The memory store
22. mountable ACCESSORIES Power cord null modem adapter Windows based control software Specifications are subject to change without notice at http www kramerelectronics com Technical Specifications 9 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 8 Default Communication Parameters 10 Kramer Protocol 2000 The VA 8xl is compatible with Kramer s Protocol 2000 version 0 50 This RS 232 RS 485 communication protocol uses four bytes of information as defined below 1st BYTE Bit 7 MSB Defined as 0 Bit 6 0 for sending information to the switchers from the PC 1 for sending to the PC from the switcher Bits 5 0 INSTRUCTION The function that the switcher is to perform is defined in the INSTRUCTION table below Similarly if a function is performed via the machine s front panel then these bits are set according to the INSTRUCTION NO that was performed 2nd BYTE Bit 7 MSB Defined as 1 Bits 4 0 Channel number Bit 5 Left set to 1 when referring to the left channel Bit 6 Right set to 1 when referring to the right channel Note To mute with regular attenuation use Bit 5 and 6 1 To mute immediately use Bit 5 and 6 0 however there
23. n programs and to check if firmware upgrades are available where appropriate Achieving the Best Performance To achieve the best performance 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 Avoid interference from neighboring electrical appliances that may adversely influence signal quality Position your Kramer VA 8xl away from moisture excessive sunlight and dust 3 1 Overview The VA 8xl 8 Channel Balanced Stereo Audio Amplifier is a high performance 8 channel balanced stereo input volume controller for balanced audio signals on terminal block connectors The volume of each L and R stereo channel can be adjusted independently of the other stereo channel In particular the VA 8xl features A digitally controlled volume control function with gain from 95dB attenuation up to 31dB amplification in increments of 0 5dB Clean noise free transition during gain setting changes Transparent performance even in the most critical broadcast applications 8 independent channels Control of the amplifier gain of the left and right channels together or separately via the front panel buttons or remotely via RS 232 or RS 485 Daisy chaining of up to 15 machines in a single system using RS 485 or RS 232 allowing control of up to 120 stereo audio channels Storing and r
24. net To do so 1 Go to our Web site at http www kramerelectronics com and download the file FLIP Va8xl zip from the Technical Support section 2 Extract the file FLIP Va8xl zip to a folder for example C Program Files Kramer Flash Connecting the PC to the RS 232 Port Before installing the latest Kramer firmware version a VA 8xl unit do the following 1 Connect the RS 232 9 pin D sub rear panel port on the 8 unit to the null modem adapter and connect the null modem adapter with a 9 wire flat cable to the RS 232 9 pin D sub COM port on your PC see Section 4 It is recommended that you use COM port 2 default However if your computer has only COM port open the file Va8x cfg located at C Program Files Kramer Flash Va8xl cfg in Notepad and change set port to set port COM1 2 Setthe DIP switches as follows Set DIP 8 ON Set DIP 7 ON VA 8xl Upgrading the Flash Memory 3 Connect the power cord and turn the POWER switch on the VA 8xl ON The LED displays may show erratic data which should be ignored 7 3 Upgrading Firmware Follow these steps to upgrade the firmware 1 Double click the desktop icon Shortcut to FLIP EXE The Splash screen appears as follows Figure 13 Splash Screen 2 After a few seconds the Splash screen is replaced by the Atmel Flip window VA 8xl Upgrading the Flash Memory EM Atmel Flip 1 8 8
25. o Source 8 Figure 6 Connecting the VA 8xl 8 Channel Balanced Stereo Audio Amplifier VA 8xl Connecting the VA 8xl 5 1 Operating the 8 When switching on the VA 8xI after a previous session the VA 8xl briefly scans each channel stored in the non volatile memory showing the settings in the LED displays After that the VA 8xl goes to channel 1 and shows its gain attenuation level in dB During regular work the VA 8xl shows the status of the last channel you observed and or changed To observe the status of a channel e Press a CHANNEL SELECTOR button That CHANNEL SELECTOR button illuminates for about 20 seconds and the decibel values of the selected channel appear in the dimmed LED displays When the LEDs are dimmed you cannot change the gain or attenuation the values are for observation only You can control the amplifier gain of the left and right channels via the front panel buttons or remotely via RS 232 or RS 485 You can increase or decrease the gain in increments of 0 5dB from 95dB up to 31dB You can control the amplifier gain of the left and or right channels separately or together see Section 5 1 Adjusting the Gain Attenuation of the Channels To adjust the amplifier gain or the attenuation 1 Press the appropriate CHANNEL SELECTOR button That CHANNEL SELECTOR button illuminates and the decibel values of the selected channel appear in the dimmed LED displays stored in the non volati
26. s the chosen setup number As confirmation for a few seconds YES appears in the LEFT LED display and the setup number appears in the RIGHT LED display Saving a setup to an previously allocated setup number overwrites the previous setup cancel press the LEFT or RIGHT button To recall a setting the front panel buttons do the following 1 2 Note When the LED displays are dimmed press the UP button The abbreviation rCL recall appears in the LEFT LED display Press the appropriate CHANNEL SELECTOR button The abbreviation rCL recall appears in the LEFT LED display and the number of that CHANNEL SELECTOR button appears in the RIGHT LED display Press the same CHANNEL SELECTOR button again The memory recalls the setup As confirmation for a few seconds YES appears in the LEFT LED display and the setup number appears in the RIGHT LED display If no setting is stored in the non volatile memory with that setup NO appears in the LEFT LED display and the setup number appears in the RIGHT LED display Recalling a setup implements the amplifier gain or the attenuation immediately 6 1 6 2 VA 8xl Controlling the VA 8xl EJ Controlling the VA 8xl You can control a single VA 8xl unit see Section 6 1 or configure up to a 120 channel balanced stereo audio amplifier using 15 units via RS 485 or RS 232 see Section 6 3 Controlling a Single VA 8xl Unit To connect and
27. t and right of channel 15 19h CFh 80h 81h Request gain of channel 15 right If the gain is OdB for both left and right channels then the reply would be 59h EFh COh Ath 19h EEh 80h 81h Request gain of channel 14 both left and right If the gain is different for the left and right channels then for 3dB gain in the left channel the reply would be 59h AEh C6h Ath 8 Kramer Protocol 2000 The following tables define the VA 8xl hex codes for attenuation gain control amplification gain control and the channel number codes 10 1 Codes for Attenuation Gain Control Gain LED Hex Codes dB Me 16 xx 8081 355 355 16 xx 8t 8t 95 55 945 os 16 xx 83 9 8 955 16 XX 86 81 925 9 ss 5 i e05 s05 46 81 o o exe 395 895 i6Xx 8581 s eo xs 5 855 87 87 16 92 81 385 865 16 x 83 61 es 1x8 355 855 6 958 5 e 68 as eas 16 xx 97 5 a 1x58 55 z 8 505 e05 16 xx oF 61 80 134681 75 7 65 2 ms 74 75 7 er Protocol 2000 Gain LED Hex Codes LED Hex Codes CE fse ee tox es et e 5 565 16 BB 81 85 e 55 655 16 BD 81 65 65 16 81 16 81 e 16 5 EN IET 05 e05 16 xx C7 8 0 eo 16 505 555 16 59 59
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