USER MANUAL
Contents
1. 17 908 Commands in Protocol 3000 Command Read audio mute state Set stereo mode Read stereo mode Set balance mode Read balance mode Syntax Response MUTE MUTE MUTE MODE STEREO STEREO MODE STEREO STEREO MODE RESULT STEREO STEREO STEREO MODE BALANCE OUT CHANNEL BALANCE LEVEL BALANCE OUT CHANNELJ BALANCE LEVEL RESULT BALANCE OUT CHANNEL BALANCE OUT CHANNEL IBALANCE LEVEL Parameter Description STAGE or Numeric val amplifier O ICHANNEL UT etc Inpu IN OUT or Output MOLUME IBASS TREBLE IMID_RANGE values increase current value decrease current value 10 7 Command Protocol handshaking Read device model Read device serial number Read device firmware version Set machine name Read machine nam Reset machine name to factory default Syntax Response HCR OK MODEL MODEL MACHINE_MODEL SN SN SERIAL_NUMBER VERSION VERSION MAJOR MINOR BUILD REVISION NAME MACHINE_NAME NAME MACHINE_NAME RESULT e NAME NAME MACHINE_NAME NAME RST NAME RST MACHINE_FACTORY_NAME RESULT Identification Commands ue of present audio processing stage For example 0 for input level 1 for pre amplifier 2 for Audio parameter in Kramer2. IGATEWAY_ADDRESS Short form NTGT Read subnet mask NET GATE Short form NTGT Set DHCP mode NET DHCP DHCP_MODE Short form NTDH Read subnet mask NET DHCP Short form NTDH DHCP_MODE 0 Don t use DHCP Use IP set by f 1 Try to use DHCP if unavailable use IP as above actory or IP se Change protocol ETH PORT PROTOCOL E hernet port Short form ETHP Read protocol ETH PORT PROTOCOL E hernet port Short form ETHP 1 65535 User defined port PROTOCOL TCP UDP transport layer protocol PORT Ethernet port that accepts Protocol 3000 commands command 0 Reset port to factory default 50000 for UDP 5000 for TCP 10 9 Machine Information Commands Command Syntax Set device time and date TIME IDATE_T ME Read device time and date TIME Note Time setting commands require administrator authoriza ion INFO IO IN INPUTS_COUNT OUT Read in out count INFO Read max preset count INFO 10 PRST Execute firmware upgrade UPGRADE Firmware usually uploads to a device via a command like LDFW The device may need to be reset to complete the process RESULT NET GATE NET DHCP NET DHCP IGATEWAY_ADDRESS DHCP_MODE RESULT DHCP_MODE ETH PORT PROTOCOL PORT RESUL ETH PORT Response PROTOCOL
3. 0 do coo506 to disconnect the output Select an Select the Adjust the input feature to adjust selected feature Operate via the front panel buttons IR remote control RS 232 and or Ethernet 2 KRAMER SIMPLE CREATIVE TECHNOLOGY Overview 3 Overview The Kramer 908 is a high performance audio amplifier for line level stereo audio signals It accepts either a stereo audio signal on RCA connectors or a balanced stereo audio signal on a terminal block connector It delivers a speaker output of 2x40 watts RMS per channel into an 8Q load on a 10A 4 pin terminal block connector The 908 features Two input selector buttons and a mute button One gain knob for adjusting the audio output levels for loudness bass middle treble balance and the volume A USB connector for firmware upgrade RS 232 and Ethernet ports A 10V control port for adjusting the audio gain via an external connector The 908 can be controlled Directly via the front panel push buttons and adjustment knob By RS 232 serial commands transmitted by a touch screen system PC or other serial controller Via an external 10V controller for volume Via the Ethernet using the embedded Web server Remotely from the infrared remote control transmitter The 908 is housed in a Kramer MegaTOOLS enclosure and is fed by a 24V DC power supply To achieve the best performance Use only good quality connection cables to avoid interference deteriora
4. 10 10 10 Maximum String Length 64 characters 22 KRAMER SIMPLE CREATIVE TECHNOLOGY LIMITED WARRANTY Kramer Electronics hereafter Kramer warrants this product free from defects in material and workmanship under the following terms HOW LONGIS THE 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 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 1 Any product which is not distributed by Kramer or which is not purchased from an authorized Kramer dealer If you are uncertain as to whether a dealer is authorized please contact Kramer at one of the agents listed in the Web site www kramerelectronics com 2 Any product on which the serial number has been defaced modified or removed or on which the WARRANTY VOID IF TAMPERED sticker has been torn reattached removed or otherwise interfered with 3 Damage deterioration 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 Removalor installatio
5. 10 distortion AMPLIFIER TYPE Class D POWER SOURCE 24V DC 2A DIMENSIONS 18 8cm x 11 4cm x 2 4cm 7 4 x 4 5 x 0 94 W D H WEIGHT 0 6kg 1 32Ibs ACCESSORIES Power supply RC IR3 remote controller OPTIONS RK T2B 19 rack adapter 1 Specifications are subject to change without notice 908 Commands in Protocol 3000 10908 Commands in Protocol 3000 This RS 232 RS 485 communication protocol lets you control the machine from any standard terminal software for example Windows HyperTerminal Application and uses a data rate of 115200 baud with no parity 8 data bits and 1 stop bit This section describes all commands sent to the 908 For an explanation of the syntax and use of Protocol 3000 see section 10 10 10 1 Operating Commands Following are the specific commands that the room controller RC device sends to the 908 to operate the external devices 10 2 Help Commands Command Syntax Protocol handshaking ICR 10 3 Device Initiated Messages Command Start message Switcher actions Audio channel has switched breakaway mode 10 4 Result and Error Codes Command ran successfully no error Protocol Errors Syntax error Command not available for this device Parameter is out of range Unauthorized access command run without the matching login Response OK CRLF Syntax Kramer Ele ctronics LTD Device Model Version Software Version A
6. Connecting the 908 40W Per Channel Stereo Audio Amplifier 6 Figure 3 Connecting the 10V VOL Terminal Block Connector 6 Figure 4 Connecting to a PC T Figure 5 Local Area Properties Window 8 Figure 6 Internet Protocol TCP IP Properties Window 8 Figure 7 Java Test Page Success Message 10 Figure 8 Entering the IP Number in the Address Bar 10 Figure 9 Loading the Embedded Web Server 11 Figure 10 First Time Security Warning 11 Figure 11 The 908 Control Window 12 Figure 12 Control Settings 13 Figure 13 Ethernet Settings 13 Tables Table 1 908 40W Per Channel Stereo Audio Amplifier Functions 4 Table 2 Default Communication Parameters 14 Table 3 908 Technical Specifications 15 ii KRAMER SIMPLE CREATIVE TECHNOLOGY 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 function Thank you for purchasing the Kramer MegaTOOLS 908 40W Per Channel Stereo Audio Amplifier which is ideal for e Presentation rooms and multimedia applications for quick local audio amplification e Personal audio listening for example a
7. For example the Kramer RC 63A Connecting the 908 Stereo Amplifier Figure 2 Connecting the 908 40W Per Channel Stereo Audio Amplifier 5 1 Connect the 10V CONTROL Port to an External Controller You can connect the 908 10V VOL terminal block connector to a controller for example the Kramer RC 63A as illustrated in Figure 3 RC 63A rae ae RS 232 FACTORY PROGRAM fim o H O e e a ayei oo sp et ST Tx RX INPUT 1 mann 2 ETHERNET 24V mG Figure 3 Connecting the 10V VOL Terminal Block Connector 6 KRAMER SIMPLE CREATIVE TECHNOLOGY Connecting the 908 Stereo Amplifier 5 2 5 3 Connecting a PC You can connect a PC or other controller to the 908 via the RS 232 terminal block connector To connect a PC to a 908 unit connect the RS 232 terminal block connector on the 908 unit to the RS 232 9 pin D sub port on your PC see Figure 4 RS 232 to 908 PIN 5 Connects to G PIN 3 Connects to Tx PIN 2 Connects to Rx 9 pin D sub PC Figure 4 Connecting to a PC Connecting the 908 via the Ethernet Port To connect the 908 via the Ethernet port do the following e When connecting to the Ethernet port on a network hub or network router use a straight through cable with RJ 45 connectors e When connecting to the Ethernet port of a PC use a crossover cable with RJ 45 connectors If you are connecting the 908 directly to your computer not through the network you may need to reconfi
8. PORT TIME DATE_T ME RESULT TIME DATE_TIME IOUTPUTS_COUN INFO PRST VID PRESET_VIDEO_COUNT AUD PRESET_AUDIO_COUNT UPGRADE OK 19 908 Commands in Protocol 3000 Command Syntax Response Reset to factory default FACTORY FACTORY RESULT configuration Set model name FCT MODEL FCT MODEL MAC_ADDRESS RESULT FACTORY_PASSWORD IMODEL_NAME If implemented by hard coding protocol command is unnecessary Set MAC address FCT MAG FCT MAC MAC_ADDRESS RESULT FACTORY_PASSWORD IMAC_ADDRESS Set SN FCT SN FCT SN SN RESULT FACTORY_PASSWORD SN Machine factory settings commands are not for public knowledge Reference is only for internal implementa ion 10 10 Protocol 3000 Syntax Protocol 3000 is used to control the 908 via an RS 232 connection using a PC touch screen other serial controller or RC type controller 10 10 1 Host Message Format Start Address optional Body Delimiter Destination_id Message 10 10 2 Simple Command Command string with only one command without addressing Start Body Delimiter Command SP Parameter_1 Parameter_2 CR 10 10 3 Command String Formal syntax with commands concatenation and addressing Start Address Body Delimiter Destination_id Command_1 Parameter1_1 Parameter1_2 ICR Command_2 Parameter2_1 Paramet
9. component that you want to adjust LOUD BASS MID TREBLE BAL or VOLUME The button illuminates 2 Turn the adjustment knob to adjust the setting 6 2 Using Serial Commands To operate your device using serial commands you need to install Kramer s 1 control software For an explanation of all control commands see section 10 6 3 Using the Embedded Web Server You can remotely operate the 908 using a Web browser via the Ethernet connection see section 5 3 To be able to do so you must use a supported Web browser Microsoft V6 0 and higher Chrome or Firefox V3 0 and higher To check that Java is installed correctly and running browse to http www java com en download help testvm xml This page runs a test and displays a Java success see Figure 7 or failure message 1 Download control software from our Web site at http www kramerelectronics com 9 Operating the 908 Figure 7 Java Test Page Success Message If you do not see the success message follow the instructions on the page to e Load and enable Java e Enable Javascript in your browser Make sure that your PC is connected via the Ethernet connection to the 908 see section 5 3 and do the following 1 Open your Internet browser 2 Enter the unit s IP number or name in the Address bar of your browser If you are using DHCP you must enter the name El http 192 168 139 Figure 8 Entering the IP Number in the Ad
10. on Gateway 192 168 1 1 the rear panel of he unit TCP Port 5000 UDP Port 50000 1 Loudness bass mid treble and balance adjustments are not adjustable using the IR remote 2 From the Kramer Web site www kramerelectronics com 3 The firmware is installed using the P3K software that is also available from the Kramer Web site 14 KRAMER SIMPLE CREATIVE TECHNOLOGY Technical Specifications 9 Technical Specifications 908 technical specifications are shown in Table 3 Table 3 908 Technical Specifications INPUTS 1 unbalanced stereo audio input on RCA connectors 1 balanced stereo audio input on a 5 pin terminal block connector 1 USB connector OUTPUTS 1 speaker stereo audio output on a 4 pin terminal block connector INPUT SENSITIVITY Unbalanced 360mVpp balanced 220mVpp MAX VOLTAGE GAIN Unbalanced 35dB balanced 40 5dB OUTPUT POWER 40W per channel into 80 BANDWIDTH 3dB 22kHz CROSSTALK lt 57dB 20kHz CONTROLS Level lt 30dB to 35 5dB balance 30dB to O0dB loudness 14dB to 0dB 1kHz bass 15dB to 12dB 100Hz mid 15dB to 11dB 1kHz treble 14dB to 18dB 10kHz input selector buttons mute button loudness bass mid treble balance volume buttons IR RS 232 K NET Ethernet 10V volume control COUPLING Input AC output DC AUDIO THD NOISE 0 15 AUDIO 2nd HARMONIC 0 06 SIGNAL NOISE RATIO 63dB 80dB
11. BALANCE Button Press to select he balance between right and left speakers adjust wi h the level knob 19 VOLUME Button Press to select he volume adjustment adjust with the level knob 20 Level Adjustment Knob Increase and decrease the level of the previously selected function 21 PROGRAM USB Connector Connect to a computer to upgrade the firmware 5 Connecting the 908 Stereo Amplifier To connect the 908 as illustrated in the example in Figure 2 do the following 1 Connect an unbalanced stereo audio source for example the unbalanced stereo audio output of a DVD player to the L and R INPUT 1 RCA connectors 2 Connect a balanced stereo audio source for example the balanced stereo audio output of a DVD player to the INPUT 2 terminal block connector 3 Connect the OUTPUT 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 24V DC power adapter to the power socket and connect the adapter to the mains electricity not shown in Figure 2 5 Ifrequired connect The 10V CONTROL terminal block connector to an external controller see section 5 1 The RS 232 port to a PC and or serial controller see section 5 2 The Ethernet port to a PC or a network hub or router see section 5 3 1
12. Kramer Electronics Ltd USER MANUAL Model 908 40W Per Channel Stereo Audio Amplifier Contents Contents 1 Introduction 2 Getting Started 2 1 Quick Start 3 Overview 4 Your 908 Stereo Amplifier 5 Connecting the 908 Stereo Amplifier 5 1 Connect the 10V CONTROL Port to an External Controller 5 2 Connecting a PC 5 3 Connecting the 908 via the Ethernet Port 6 Operating the 908 6 1 Using the Front Panel Buttons 6 2 Using Serial Commands 6 3 Using the Embedded Web Server 6 4 Using the RC IR3 Infrared Remote Controller 7 Updating the 908 Firmware 8 Default Communication Parameters 9 Technical Specifications 10 908 Commands in Protocol 3000 10 1 Operating Commands 10 2 Help Commands 10 3 Device Initiated Messages 10 4 Result and Error Codes 10 5 Basic Routing Commands 10 6 Audio Parameters Commands 10 7 Identification Commands 10 8 Network Setting Commands 10 9 Machine Information Commands 10 10 Protocol 3000 Syntax 10 10 1 Host Message Format 10 10 2 Simple Command 10 10 3 Command String 10 10 4 Device Message Format 10 10 5 Device Long Response 10 10 6 Command Terms 10 10 7 Entering Commands 10 10 8 Command Forms 10 10 9 Command Chaining 10 10 10 Maximum String Length O0DOEeEnANrAtNtan A U NE m p pi pi n Aa A A NNNNNNNNNDN DN e e e e PrP Fr NNONFRrFPTDDTOCOOOO ANANDA AAADANA Contents Figures Figure 1 908 40W Per Channel Stereo Audio Amplifier 4 Figure 2
13. LUME VOLUME VOLUME VOLUME volume Short form VOL VOLUME Increase decrease VOLUME VOLUME 5 RESULT simple audio volume Short form VOL F Read simple audio VOLUME VOLUME VOLUME level Short form VOL Set audio level in AUD LVL STAGE CHANNEL VOLUME AUD LVL STAGE CHANNEL oo amplifier Short form ADL STAGE CHANNEL VOLUME VOLUME RESULT Read audio volume AUD LVL STAGE CHANNEL AUD LVL STAGE CHANNEL level Short form ADL STAGE VOLUME Advanced commands for controlling each stage of audio amplification Set audio bass level BASS CHANNEL BASS BASS CHANNEL BASS Short form ADB CHANNEL BASS RESULT Read audio bass level BASS CHANNEL BASS CHANNEL BASS Short form ADB CHANNEL Set audio treble level TREBLE CHANNEL TREBLE TREBLE CHANNEL TREBLE Short form ADT CHANNEL TREBLE RESULT Read audio treble TREBLE CHANNEL TREBLE CHANNEL TREBLE Short form ADT CHANNEL Set audio midrange MIDRANGE CHANNEL MID_ RANGE MIDRANGE CHANNEL Short form ADM CHANNEL MID_ RANGE MID_RANGE RESULT Read audio midrange MIDRANGE ICHANNEL MIDRANGE CHANNEL Short form ADM CHANNEL MID_RANGE Set audio loudness LOUDNESS CHANNEL LOUDNESS LOUDNESS CHANNEL Short form ADS CHANNEL LOUDNESS LOUDNESS RESULT Read audio loudness LOUDNESS CHANNEL LOUDNESS CHANNEU Short form ADS CHANNEL LOUDNESS Mute audio MUTE MUTE MODE MUTE MUTE MODE RESULT
14. PC and portable CD player The package includes the following items e 908 40W Per Channel Stereo Audio Amplifier e Kramer RC IR3 Infrared Remote Control Transmitter including the required battery and a separate user manual e Power supply 24V DC 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 1 GROUP 1 Distribution Amplifiers GROUP 2 Switchers and Matrix Switchers GROUP 3 Control Systems GROUP 4 Format Standards Converters GROUP 5 Range Extenders and Repeaters GROUP 6 Specialty AV Products GROUP 7 Scan Converters and Scalers GROUP 8 Cables and Connectors GROUP 9 Room Connectivity GROUP 10 Accessories and Rack Adapters GROUP 11 Sierra Products 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 2 1 Quick Start This quick start chart summarizes the basic setup and operation steps Step 1 Connect the inputs and outputs see section 5 Connect the Inpute Connect the output Connect the remote control Connect the computer control Step 2 Connect the power Step 3 Operate the amplifier see section 6
15. UD Syntax ICOMMAND PARAMETERS OK ERROO1 ERR002 ERR003 ERR004 16 KRAMER SIMPLE CREATIVE TECHNOLOGY 908 Commands in Protocol 3000 10 5 Basic Routing Commands Command Syntax Response Switch audio only AUD IN gt OUT N OUTI aia AUD IN gt OUT IN OUT RESULT Short form A IN gt OUT IN OUT Switch audio only AUD INS OUT INUTI AUD INS OUT IN OUT RESULT Short form A IN gt OUT IN OUT Read audio connec ion AUD OUT AUD NDUT Short form A OUTI AUD AUD IN gt 1 IN gt 2 Parameter Description IN Input number or 0 to disconnect output gt Connection character between in and out parameters IOUT Output number or for all outputs 10 6 Audio Parameters Commands Command Syntax Response Set simple audio VO
16. ages carriage return ASCII 13 CRLH For machine messages carriage return ASCII 13 line feed ASCII 10 Command chain separator character When a message string contains more then one command a pipe I character separates each command Spaces between parameters or command terms are ignored 10 10 7 Entering Commands You can directly enter all commands using a terminal with ASCII communications software such as HyperTerminal Hercules etc Connect the terminal to the serial Ethernet or USB port on the Kramer device To enter CR press the Enter key LF is also sent but is ignored by command parser 21 908 Commands in Protocol 3000 For commands sent from some non Kramer controllers like Crestron some characters require special coding such as X Refer to the controller manual 10 10 8 Command Forms Some commands have short name syntax in addition to long name syntax to allow faster typing The response is always in long syntax 10 10 9 Command Chaining Multiple commands can be chained in the same string Each command is delimited by a pipe character l When chaining commands enter the message starting character and the message closing character only once at the beginning of the string and at the end Commands in the string do not execute until the closing character is entered A separate response is sent for every command in the chain
17. d interconnection cables to connect the machine to other components FCC and CE approved using STP cable for twisted pair products 23 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 Safety Warning Disconnect the unit from the power supply before opening servicing Caution Kramer Electronics Ltd Web site www kramerelectronics com E mail info kramerel com P N 2900 000537 REV 3
18. dress Bar The following window appears 1 The default IP number is 192 168 1 39 and may be changed by the system integrator 10 KRAMER SIMPLE CREATIVE TECHNOLOGY Operating the 908 A mwa Canes OF ee iG Ramm Armee Elem Loading UT Pa pows jue oom a carpe Figure 9 Loading the Embedded Web Server 3 Check that Java and JavaScript is enabled in your browser The following window appears The application s digital signature cannot be verified Do you want to run the application Ronnies Artie Pulilisher kane Ewas Prem pitoi WL HB imis bet content from ha plier y C The digtal siruhu tenrot be erie by 4 hushni mutat Liy Phrnisre un i poi Meat Ia rage othe aeration En Figure 10 First Time Security Warning 4 Click Run The 908 Control Window opens see Figure 11 11 Operating the 908 Figure 11 The 908 Control Window 5 To choose the desired input click on Input I or Input 2 see Figure 12 Each input has its own set of audio adjustments 6 To adjust each function click and hold each slider and drag to the right to increase or to the left to decrease the shown value 7 To mute the output check the Mute box 12 KRAMER SIMPLE CREATIVE TECHNOLOGY Operating the 908 a Bi eg Alans gt Seal site I acdusibine ears aj huts Figure 12 Control Settings 8 To change the Ethernet
19. er2_2 Command_3 Parameter3_1 Parameter3_2 10 10 4 Device Message Format Start Address optional Body delimiter 3 Sender_id Message CRIILFI 10 10 5 Device Long Response Echoing command Start Address optional Body Delimiter Sender_id Command SP Param1 Param2 result CRIILFI CRI Carriage return ASCII 13 0x0D ILF Line feed ASCII 10 0x0A ISP Space ASCII 32 0x20 20 KRAMER SIMPLE CREATIVE TECHNOLOGY 908 Commands in Protocol 3000 10 10 6 Command Terms Command A sequence of ASCII letters A Z a z and Command and parameters must be separated by at least one space Parameters A sequence of alphameric ASCII characters 0 9 A Z a z and some special characters for specific commands Parameters are separated by commas Message string Every command entered as part of a message string begins with a message starting character and ends with a message closing character Note A string can contain more than one command Commands are separated by a pipe l character Message starting character For host command query For machine response Device address Optional for K NET K NET Device ID followed by Query sign follows some commands to define a query request All outputs sign defines all outputs Message closing character ICR For host mess
20. ge 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 art 1 Residential commercial and light industry EN 50082 Electromagnetic compatibility EMC generic immunity standard art 1 Residential commercial and light industry environment CFR 47 FCC Rules and Regulations art 15 Radio frequency devices Subpart B Unintentional radiators CAUTION amp 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 B Please use recommende
21. gure the PC network settings To reconfigure the PC network settings 1 Navigate to Start gt Settings gt Network Connections 2 Click on the appropriate Local Area Connection 3 Right click the Local Area Connection and click Properties The Local Area Properties Window appears Connecting the 908 Stereo Amplifier Local Area Connection 3 Properties Figure 5 Local Area Properties Window 4 Select Internet Protocol TCP IP and click Properties The Internet Protocol TCP IP Properties Window appears ernet Protocol TCP IP Properties 255 255 2550 Figure 6 Internet Protocol TCP IP Properties Window 5 Click Use the following IP address and enter the IP address and Subnet mask shown above Click OK and OK to close both windows and save the settings KRAMER SIMPLE CREATIVE TECHNOLOGY Operating the 908 6 Operating the 908 You can operate your 908 using e The front panel buttons see section 6 1 e PC touch screen system or other serial controller via RS 232 serial commands see section 6 2 e The Ethernet via the embedded Web server see section 6 3 e The included RC IR3 Infrared Remote Controller see section 6 4 6 1 Using the Front Panel Buttons The front panel buttons let you e Select an input by pressing the INPUT or the INPUT 2 button e Adjust the sound e Mute the sound by pressing the MUTE button To adjust the sound of the output signal 1 Press the sound
22. n 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 WILLNOT 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 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 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 Dama
23. or speakers Connector 4 10V VOLG V Terminal Block Connect to a controller to adjust the volume via the Connector controller 5 RS 232 G Tx Rx Terminal Block Control connector Connector 6 ETHERNET Port Connects to your LAN 7 FACTORY RESET Button Press to return he device to its factory default settings 8 PROGRAM Switch Switch down before performing a firmware upgrade leave up he default for normal operation 9 24V DC Connector 24V DC for powering the unit 10 IR IN Receiver Accepts IR remote commands 11 ON LED llluminates green when receiving power flashes when receiving IR commands 12 MUTE Button Press to disable enable the audio output The button illuminates when the audio output is disabled 1 For example the Kramer RC 63A 2 Local Area Network that is computers sharing a common communications line or wireless link which often share a server within a defined geographic area KRAMER SIMPLE CREATIVE TECHNOLOGY Connecting the 908 Stereo Amplifier Feature Function 13 INPUT SELECTOR Buttons Press to select the input audio source 1 or 2 14 LOUDNESS Button Press to select he loudness adjustment adjust wi h the level knob 15 BASS Button Press to select he bass adjustment adjust with he level knob 16 MID Button Press to select he mid range adjustment adjust wi h the level knob 17 TREBLE Button Press to select he treble adjustment adjust with the level knob 18
24. settings click the Settings tab at the top of the Control Window The Ethernet settings display see Figure 13 Model DEVICE Serial Number 9000 37 Fumware Version 1 00 08 0503 IP Address 92 168 1 39 ero N Figure 13 Ethernet Settings 9 Make any necessary changes and click Save to save the settings 10 To return to the Control Window click 908 under the Kramer logo 13 Updating the 908 Firmware 6 4 Using the RC IR3 Infrared Remote Controller You can use the RC IR3 remote controller to make some of the adjustments that are made using the front panel buttons e To choose an input press button 1 or 2 e To toggle muting press the OFF button e To increase the volume press e To decrease the volume press lt 4 7 Updating the 908 Firmware The 908 functions by means of a device microcontroller that runs firmware located in FLASH memory If required you can download and upgrade to the latest version of firmware 8 Default Communication Parameters Table 2 lists the communication parameters as used in Kramer Electronics products Table 2 Default Communication Parameters RS 232 Protocol 3000 Default Baud Rate 115 200 Data Bits 8 Stop Bits 1 Parity None Command Format ASCII Ethernet Factory Default Values IP Address 192 168 1 39 Power cycle the unit while pressing Mask 255 255 255 0 the Factory Reset button located
25. tion in signal quality due to poor matching and elevated noise levels often associated with low quality cables Avoid interference from neighboring electrical appliances that may adversely influence signal quality and position your Kramer 908 away from moisture excessive sunlight and dust 4 No operator serviceable parts inside unit Warning ESI vse only the Kramer Electronics input power wall CHE o that is provided with the unit Warning Disconnect powerand unplug unit from wall before installing or remaving the device or servicing unit 1 For example the Kramer RC 63A 2 Available from Kramer Electronics on our Web site at http www kramerelectronics com Your 908 Stereo Amplifier 4 Your 908 Stereo Amplifier Figure 1 and Table 1 define the 908 i i i ones fig LEFT anom INPUT 1 om 2 IR ON Oo O0 0 Audio Amplifier LEF OUT FRIGHT 10 V VoL m RS 232 FACTORY PROGRAM ug TRX ETHERNET LOUDNESS BASS MiD TREBLE BALANCE VOLUME goggoggdadcc Figure 1 908 40W Per Channel Stereo Audio Amplifier Table 1 908 40W Per Channel Stereo Audio Amplifier Functions Feature Function INPUT 1 L and R RCA Connectors Connect to he left and right unbalanced stereo analog audio acceptor 2 INPUT 2 Terminal Block Connector Connect to he balanced stereo audio source 3 OUTPUT Terminal Block Connect to a balanced stereo accept
26. units minus sign precedes negative Note The machine name is not the same as the model name The machine name is used to identify a specific machine or a network in use with DNS feature on Up to 14 alphameric chars Machine factory name Model name last 4 digits from serial number MACHINE_NAME Set machine ID number MACH NUM MACHINE_NUMBER MACH NUM OLD_MACHINE_NUMBER INEW_MACHINE_NUMB ER RESULT A response is sent after he machine number was changed The response wi h the header is INEW_MACHINE_NUMBER MACH NUM IOLD_MACHINE_NUMBER INEW_MACHINE_NUMBER OK 18 KRAMER SIMPLE CREATIVE TECHNOLOGY 908 Commands in Protocol 3000 10 8 Network Setting Commands Command Syntax Set IP address NET IP IP_ADDRESS Short form NTIP Read IP address NET IP Short form NTIP Read MAC address NET MAG Short form NTMC Set subnet mask NET MASK ISUBNET_MAS Short form NTMSK Read subnet mask NET MASK Short form NTMSK Set gateway address NET GATE IGATEWAY_ADDRESS Response NET IP IP_ADDRESS RESUL NET IP IP_ADDRESS NET MAC MAC_ADDRESS NET MASK NET MASK NET GATE ISUBNET_MASK RESULT ISUBNET_MAS
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