Kramer Electronics 900XL audio amplifier
Contents
1. Lerr RIGHT 2 IN Figure 1 900xl Power Amplifier Top Front and Rear Views Table 1 900xl Power Amplifier Front and Rear Functions Feature Function 1 12V DC Connector 12V DC for powering the unit 2 RS 232 Tx Rx G Terminal Block Connect to PC Connector 3 L L R R OUT Terminal Speaker output Block Connector 4 IN 2 RIGHT RCA Connector Connect to stereo audio right input of source 2 5 IN 2 LEFT RCA Connector Connect to stereo audio left input of source 2 6 IN 1 3 5mm Mini jack Connector Connect to stereo audio input of source 1 7 INPUT 1 Button Selects the input from audio source 1 8 INPUT 2 Button Selects the input from audio source 2 9 VOLUME Button Decreases output volume 10 VOLUME Button Increases output volume 11 OVER LED llluminates red when device is overheating and mutes output 12 ON LED llluminates green when receiving power KRAMER SIMPLE CREATIVE TECHNOLOGY Your 900x1 Power Amplifier f 1 LEVEL Pros P Figure 2 900xl Power Amplifier Underside View Table 2 900xl Power Amplifier Underside Functions Feature Function 1 LEVEL L H Switch Input level low high gain set to low in case of distortion 2 PROG ON Switch For use when upgrading device firmware Connecting the 900x1 Power Amplifier Connecting the 900xI Power Amplifier To connect the 900xl as illustrated i2. 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 Electronics 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 inf
3. original 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 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
4. ANY PRODUCT TO WHICH THIS LIMITED WARRANTY APPLIES IS A CONSUMER PRODUCT UNDER THE MAGNUSON MOSS WARRANTY ACT 15 U S C A 2301 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 1 the label bearing the serial number of this product has been removed or defaced ii the product is not distributed by 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 For the latest information on our products and a list of Kramer distributors visit our Web site www kramerelectronics co
5. Kramer Electronics Ltd USER MANUAL Model 900x1 Power Amplifier Contents Contents 1 Introduction 2 Getting Started 2 1 Recycling Kramer Products 2 2 Quick Start 3 Overview 4 Your 900x1 Power Amplifier 5 Connecting the 900x Power Amplifier 5 1 Connecting a PC 6 Operating the 900xl1 Power Amplifier 6 1 Using the Front Panel Buttons 6 2 Using Serial Commands 7 Technical Specifications 8 Hex Table 9 Kramer Protocol 2000 Figures Figure 1 900x1 Power Amplifier Top Front and Rear Views Figure 2 900x1 Power Amplifier Underside View Figure 3 Connecting the 900x1 Power Amplifier Figure 4 RS 232 Control Cable Tables Table 1 900x1 Power Amplifier Front and Rear Functions Table 2 900x1 Power Amplifier Underside Functions Table 3 900x1 Technical Specifications Table 4 900x1 Hex Table Table 5 Protocol Definitions Table 6 Instruction Codes for Protocol 2000 NO 0 0 AAA Y nm ZA OD up OVwWVOwNO0Uu ER 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 1 000 plus different models now appear in 11 groups that are clearly defined by func
6. TATUS OF AN Set as SETUP Equal to output number whose 4 3 AUDIO OUTPUT status is reqd 12 REQUEST VIDEO AUDIO Set as SETUP or 0 for video 3 4 6 TYPE SETTING set to 126 or 127 to 1 for audio request if machine has 2 for VGA this function 22 SET AUDIO PARAMETER Equal to output number Set as parameter value 2 11 whose parameter is tobe 0 127 set 1 24 INCREASE DECREASE AUDIO Equal to output number 0 increase output 24 PARAMETER whose parameter is to be 1 decrease output increased decreased by 1 25 REQUEST AUDIO PARAMETER Equal to output number 0 6 20 24 whose parameter is requested 57 SET AUTO SAVE 13 no save 0 12 2 14 auto save 61 IDENTIFY MACHINE 2 audio machine name 0 Request first 4 digits 13 4 audio software version 1 Request first suffix 6 RS422 controller version 7 remote control name 8 remote software version 9 Protocol 2000 revision 62 DEFINE MACHINE 1 number of inputs 2 for audio 14 2 number of outputs 3 number of setups 10 KRAMER SIMPLE CREATIVE TECHNOLOGY Kramer Protocol 2000 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
7. d controller is used The default data rate is 9600 baud with no parity 8 data bits and 1 stop bit Note Compatibility with Kramer s Protocol 2000 does not mean that a machine uses all of the commands below Each machine uses a sub set of Protocol 2000 according to its needs Table 5 Protocol Definitions MSB LSB DESTINATION INSTRUCTION 0 D N5 N4 N3 N2 Ni NO 7 6 5 4 3 2 1 0 1st byte INPUT 1 16 5 14 13 12 T 10 7 6 5 4 3 2 1 0 2nd byte OUTPUT 1 06 05 04 03 02 O1 00 7 6 5 4 3 2 1 0 3rd byte MACHINE NUMBER 1 OVR X M4 M3 M2 Mi MO 7 6 5 4 3 2 1 0 4th byte Kramer Protocol 2000 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 NS NO INSTRUCTION The function to be performed by the switcher s is defined by the INSTRUCTION 6 bits Also if a function is performed via the machine s keyboard then these bits are set with the INSTRUCTION NO that was performed The instruction codes are defined according to the table below INSTRUCTION NO is the value to be set for N5 NO 2 BYTE Bit 7 Defined as 1 16 10 INPUT When switching i e 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
8. der normal conditions the machine s present status is saved each time a change is made The power down save auto save may be disabled using this code Note that whenever the machine is turned on the auto save function is set NOTE 13 This is a request to identify the switcher s in the system If the OUTPUT is set as O and the INPUT is set as 1 2 5 or 7 the machine will send its name The reply is the decimal value of the INPUT and OUTPUT 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 after it For example for version 3 5 the reply to the request to send the version number would be HEX codes 7D 83 85 81 i e 128dec 3dec for 2nd byte 128dec Sdec for 3rd byte NOTE 14 The number of inputs and outputs refers to the specific machine which is being addressed not to the system For example if six 16X16 matrices are configured to make a 48X32 system 48 inputs 32 outputs the reply to the HEX code 3E 82 81 82 i e request the number of outputs would be HEX codes TE 82 90 82 i e 16 outputs 11 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
9. g e The front panel buttons e RS 232 serial commands transmitted by a PC touch screen system or other serial controller Using the Front Panel Buttons To operate the 900xI using the front panel buttons e To choose audio input source 1 the PC line out as shown in Figure 3 press INPUT 1 button e To choose audio input source 2 a stereo tape press INPUT 2 button Adjust the output volume to the speakers using the VOLUME and buttons Note In the case of output distortion that cannot be corrected using the volume controls try switching the LEVEL switch on the underside of the unit see Figure 2 from H to L and alter the output using the volume control Technical Specifications 6 2 Using Serial Commands To operate your device using serial commands you need to install Kramer s control software For an explanation of all control commands see sections 8 and 9 Technical Specifications 900x technical specifications are shown in Table 3 Table 3 900xl Technical Specifications INPUTS 1 unbalanced stereo audio on a 3 5mm mini jack connector 1 unbalanced stereo audio on RCA connectors OUTPUT 1 stereo differential speaker output OUTPUT POWER 2x10W 40 INPUT SENSITIVITY 460mV OUTPUT MUSIC POWER 2x40W 40 BANDWIDTH 3dB 25kHz S N RATIO 85dB 1kHz OdBu output CONTROLS Gain range 14 to 32dB at high gain 21 to 20dB at low gain COUPLING Inp
10. ifier for line level stereo audio signals It accepts either a stereo audio signal on an RCA connector or a stereo audio signal on a 3 5mm mini jack It delivers a speaker output of 10 watts RMS per channel into a 4 load on a 10A 4 pin terminal block connector The 900xl includes Input selector buttons Audio gain buttons for volume control Overheating warning protection with LED indicator A 12V DC power adapter The 900xl is housed in a Kramer TOOLS enclosure 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 Do not secure the cables in tight bundles or roll the slack into tight coils Avoid interference from neighboring electrical appliances that may adversely influence signal quality Position your Kramer 900xl away from moisture excessive sunlight and dust No operator serviceable parts inside unit Use only the Kramer Electronics input power wall adapter that is provided with the unit WENN Disconnect power and unplug unit from wall before installing or removing the device or servicing unit 1 Available from Kramer Electronics on our Web site at http www kramerelectronics com Your 900x1 Power Amplifier 4 Your 900xI Power Amplifier Figure 1 Figure 2 Table 1 and Table 2 define the unit
11. instruction is performed due to a keystroke operation on the front panel then these codes are sent For example if the HEX code 02 82 81 81 was sent from the PC then the switcher machine 3 will switch input 1 to output 1 If the user switched input to output 1 via the front panel keypad then the switcher will send HEX codes 42 81 81 81 to the PC When the PC sends one of the commands in this group to the switcher then if the instruction is valid the switcher replies by sending to the PC the same four bytes that it was sent except for the first byte where the DESTINATION bit is set high NOTE 3 SETUP 0 is the present setting SETUP 1 and higher are the settings saved in the switcher s memory i e those used for Store and Recall NOTE 4 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 the value of the requested parameter NOTE 6 If INPUT is set to 127 for these instructions then if the function is defined on this machine it replies with OUTPUT 1 If the function is not defined then the machine replies with OUTPUT 0 or with an error invalid instruction code If the INPUT is set to 126 for these instructions then if possible the machine will return the current setting of this function even for the case that the function is not defined NOTE 11 For machines where the audio parameter is programmable NOTE 12 Un
12. m where updates to this user manual may be found We welcome your questions comments and feedback Safety Warning Disconnect the unit from the power supply before opening servicing Caution I AUN Kramer Electronics Ltd Web site www kramerelectronics com E mail info kramerel com P N 2900 000344 REV 5
13. n Figure 3 perform the following 1 Connect an unbalanced stereo audio source for example a computer audio line out to the IN 1 mini jack connector 2 Connect an unbalanced stereo audio source for example an unbalanced stereo audio player to the LEFT and RIGHT IN 2 RCA connectors 3 Connect the SPKR OUT terminal block to a pair of loudspeakers Connect the L and the L terminal block connectors to the left loudspeaker and the R and the R terminal block connectors to the right loudspeaker Do not ground the loudspeakers 4 Connect the 12V DC power adapter to the power socket and connect the adapter to the mains electricity not shown in Figure 3 a f S A Unbalanced NZ Stereo gt NRN Audio keo Player Computer Audio Line out Speakers Figure 3 Connecting the 900xl Power Amplifier KRAMER SIMPLE CREATIVE TECHNOLOGY Operating the 900x1 Power Amplifier 5 1 6 1 Connecting a PC You can control the 900xl with a PC or other controllers via the RS 232 port using serial commands To connect a PC to the 900xtI e Connect the RS 232 9 pin D sub port on your PC to the RS 232 rear panel port on the Master 900x using a cable as shown in Figure 4 PIN 5 to PIN 1 PIN 3 to PIN 2 PIN 2 to PIN 3 3 Pin RS 232 Terminal Block Female 9 pin D sub From PC Figure 4 RS 232 Control Cable Operating the 900x Power Amplifier You can operate your 900x1 usin
14. oduct 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 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 litis decided that this product should be returned directly to Kramer Electronics this product should be properly packed preferably in the
15. ormation Who is 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 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 pr
16. these bits are defined according to the table 3 BYTE Bit 7 Defined as 1 06 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 M0 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 configured as MACHINE NUMBER 1 Table 6 Instruction Codes for Protocol 2000 Note All values in the table are decimal unless otherwise stated INSTRUCTION DEFINITION FOR SPECIFIC INSTRUCTION NOTE DESCRIPTION INPUT OUTPUT 0 RESET MACHINE 0 0 1 2 SWITCH AUDIO Set equal to audio input Set equal to audio output which 2 which is to be switched is to be switched 0 disconnect 0 to all the outputs 6 REQUEST S
17. tion Thank you for purchasing the Kramer TOOLS 900x1 Power Amplifier which is ideal for e Presentation rooms and multimedia applications for quick local audio amplification e Personal audio listening for example a PC and portable CD player The package includes the following items e 900xl Power Amplifier e 12V DC power supply 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 2 1 Recycling Kramer Products The Waste Electrical and Electronic Equipment WEEE Directive 2002 96 EC aims to reduce the amount of WEEE sent for disposal to 1 GROUP 1 Distribution Amplifiers GROUP 2 Switchers and Routers 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 2 Download up to date Kramer user manuals from our Web site at http www kramerelectronics com 3 The complete list of Kramer cables is on our Web site at http www kramerelectronics com 1 Getting Started landfill or incineration by requiring it to be collected and recycled To compl
18. ut AC output DC AUDIO THD NOISE 0 6 0dBu output AUDIO 2nd HARMONIC 0 35 OdBu output POWER SOURCE 12V DC 2 0A OPERATING 0 to 40 C 32 to 104 F TEMPERATURE STORAGE 45 to 72 C 49 to 162 F TEMPERATURE HUMIDITY 10 to 90 RHL non condensing DIMENSIONS 12cm x 7 5cm x 2 5cm 4 7 x 3 0 x 1 0 W D H WEIGHT 0 2kg 0 4lbs approx ACCESSORIES Power supply OPTIONS RK 3T 19 rack adapter 1 Download control software from our Web site at http www kramerelectronics com 2 Specifications are subject to change without notice KRAMER SIMPLE CREATIVE TECHNOLOGY Hex Table 8 Hex Table Table 4 lists the Hex values described in section 9 for the 900xl Table 4 900xl Hex Table Instruction Hex Code Description 2 Switch Audio 02 81 81 81 Connect Input 1 to output 02 82 81 81 Connect Input 2 to output 22 Gain Control Output 1 16 81 8081 Mute 16 81 81 81 16 81 82 81 16 81 FF 81 Maximum gain 24 Increase Decrease 18 81 80 81 Increase output Audio Parameter 18 81 81 81 Decrease output 9 Kramer Protocol 2000 The 900xl 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 For RS 232 a null modem connection between the machine an
19. y with the WEEE Directive Kramer Electronics has made arrangements with the European Advanced Recycling Network EARN and will cover any costs of treatment recycling and recovery of waste Kramer Electronics branded equipment on arrival at the EARN facility For details of Kramer s recycling arrangements in your particular country go to our recycling pages at http www kramerelectronics com support recycling 2 2 Quick Start This quick start chart summarizes the basic setup and operation steps 900xI Power Amplifier Quick Start ah This guide helps you install and use your product for the first time For more detailed information go to http www kramerelectronics com support product_downloads asp to download the latest manual or scan the QR code on the left Step 1 Check what s in the box Y The 900x I Power Amplifier AU Power adapter 12V DC output Step 2 Install the 900x1 Mount the device in a rack using the optional RK 3T rack adapter available for purchase or place it on a shelf Step 3 Connect the inputs and output After mounting the device connect the inputs and output Always switch off the power to each device before connecting it to your 900xl Step 4 Connect the power Connectthe power adapter to the 900xl and plug the adapter into the mains electricity KRAMER SIMPLE CREATIVE TECHNOLOGY N Overview 3 Overview The Kramer 900xl is a high performance power ampl
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