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 908 40W per Channel Stereo Audio Amplifier, which is ideal for the following typical applications: ...
Avoid interference from neighboring electrical appliances that may adversely influence signal quality Position your Kramer 908 away from moisture, excessive sunlight and dust This equipment is to be used only inside a building. It may only be connected to other equipment that is installed inside a building.
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/.
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. 908 - Overview...
Defining the 908 40W per Channel Stereo Audio Amplifier This section defines the 908. Figure 1: 908 40W per Channel Stereo Audio Amplifier Feature Function INPUT 1 L and R RCA Connectors Connect to the left and right unbalanced stereo...
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Press and hold to disable local volume control and enable remote volume control. Press and hold again to activate local volume Section 5 control (see PROGRAM (USB) Connector Connect to a computer to upgrade the firmware 908 - Overview...
Connecting the 908 Always switch off the power to each device before connecting it to your 908. After connecting your 908, connect its power and then switch on the power to each device. To connect the 908, as illustrated in the example in...
Figure 2: Connecting the 908 40W per Channel Stereo Audio Amplifier Connecting Balanced/Unbalanced Stereo Audio Input/Output This section illustrates how to wire: A balanced stereo audio connection, see Figure 3 An unbalanced stereo audio input connection, see Figure 4 ...
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...
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 reconfigure the PC network settings. To reconfigure the PC network settings: 1.
Figure 9: 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. 908 - Connecting the 908...
2. Turn the adjustment knob to adjust the setting. Note: To enable remote volume control via the 10V VOL connector (using for example, the Kramer RC-63A), you must disable the local digital volume control by pressing and holding the VOLUME button on the front panel for several seconds.
If you do not see the success message, follow the instructions on the page to: Load and enable Java Enable Javascript in your browser Make sure that your PC is connected via the Ethernet connection to the 908 (see Section 4 .4) and do the following: 908 - Operating the 908...
Figure 11: Entering the IP Number in the Address Bar The following window appears: Figure 12: Loading the Embedded Web Server 3. Check that Java and JavaScript is enabled in your browser. The following window appears: 908 - Operating the 908...
Figure 13: First Time Security Warning 4. Click Run. The 908 Control Window opens (see Figure 14): Figure 14: The 908 Control Window 5. To choose the desired input, click on Input 1 or Input 2 (see Figure 15). Each input has its own set of audio adjustments.
Control Window. The Ethernet settings display (see Figure 16): Figure 16: 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. 908 - Operating the 908...
Loudness, bass, mid, treble and balance adjustments are not adjustable using the IR remote. To choose an input, press button 1 or 2 To toggle muting, press the OFF button To increase the volume, press + (►) To decrease the volume, press – (◄) 908 - Operating the 908...
If required, you can download and upgrade to the latest version of firmware. Download from the Kramer Web site www.kramerelectronics.com. The firmware is installed using the P3K software that is also available from the Kramer Web site. 908 - Updating the 908 Firmware...
Default Communication Parameters The following table lists the communication parameters as used in Kramer Electronics products. RS-232 Protocol 3000 (Default) Baud Rate: 115,200 Data Bits: Stop Bits: Parity: None Command Format: ASCII Ethernet Factory Default Values IP Address: 192.168.1.39 Power cycle the unit while pressing the Factory Reset Mask: 255.255.255.0...
18.8cm x 11.4cm x 2.4cm (7.4" x 4.5" x 0.94") W, D, H WEIGHT: 0.6kg (1.32lbs) ACCESSORIES: Power supply, RC-IR3 remote controller RK-T2B 19” rack adapter OPTIONS: Specifications are subject to change without notice at http://www.kramerelectronics.com 908 - Technical Specifications...
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 9 syntax and use of Protocol 3000, see Section .10.
Numeric value of present audio processing stage. For example: ‘0’ for input level, ‘1’ for pre-amplifier, ‘2’ for amplifier (OUT) etc. CHANNEL = Input or Output # VOLUME / BASS / TREBLE / MID_RANGE = Audio parameter in Kramer units, minus sign precedes negative values. ++ increase current value, -- decrease current value.
INFO-PRST: VID PRESET_VIDEO_COUNT, AUD PRESET_AUDIO_COUNT Execute firmware upgrade* UPGRADE UPGRADE OK Firmware usually uploads to a device via a command like LDFW. The device may need to be reset to complete the process. 908 - 908 Commands in Protocol 3000...
* Machine factory settings commands are not for public knowledge. Reference is only for internal implementation 9.10 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. 9.10.1 Host Message Format...
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'?' follows some commands to define a query request. All outputs sign '*' defines all outputs. Message closing character CR – For host messages; carriage return (ASCII 13) CRLF – For machine messages; carriage return (ASCII 13) + line-feed (ASCII 10) 908 - 908 Commands in Protocol 3000...
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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).
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For the latest information on our products and a list of Kramer distributors, visit our Web site where updates to this user manual may be found. We welcome your questions, comments, and feedback. Web site: www.kramerelectronics.com E-mail: info@kramerel.com SAFETY WARNING...
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