Dirac live processor manual 0 A: HDMI 1 PCM 2. 14 Mojave or later, latest version with all updates. For measurement, you will need to connect the UMIK-1 or UMIK-2 to your computer. View and Download miniDSP C-DSP 8X12 DL user manual online. com / Features and specifications subject to change without prior notice 8 The Monolith™ HTP-1 is an "AVR" or "Pre-Processor" designed for use in home theaters. Dirac Live 室内校正和低音控制可应用于兼容的家用 AVR 和 HiFi 接收器。目前，VST、AAX 和 AU 格式的 Dirac Processor 插件支持 Dirac Live Room Correction，专为桌面插件主机和专业 DAW（数字音频工作站）而设计。Dirac Processor 独立软件可为桌面设备提供全系统范围的室内校正。 The user manual for Dirac Live Bass Control provides detailed instructions for setting up and using the software. Login to Dirac Live to activate and handle your Dirac Live licenses. It optimises the audio by compensating for distortions caused by the acoustics of your room. View online (110 pages) or download PDF (10 MB) Emotiva XMC-2 Product Manual • XMC-2 AV receivers PDF manual download and more Emotiva online manuals Dirac Live User Manual Note: If you are on MacOS 10. At least a dual core i3, i5, or i7 processor, or an Apple ARM processor (M1/M2/Pro/Max) At least 4 GB RAM; Two free USB 2. 0 license; USB Wifi 2. 0” designation works in the general sense of In order to use Dirac Processor Plugin, you will need to download and install two components: Dirac Live and the Dirac Processor Plugin. Download Dirac Live on your computer or mobile and optimize your sound. SHD Studio User manual; What's in the box? SHD Studio processor with embedded Dirac Live 2. 4 Dolby Atmos and DTS:X processing with 7 channels of 140 Watts of Class AB output power into 4 ohm loads and licensed for Dirac Live room correction technology ensuring optimal performance in any setting. Figure 1. The miniDSP Flex HTx executes multichannel Dirac Live® digital room correction, from Dirac Research. A list of certified technicians is posted in the Dirac Live® section (support documents). 2-IN 4-OUT HIGH-DEFINITION AUDIO PROCESSOR WITH OPTIONAL DIRAC LIVE ROOM CORRECTION TECHNOLOGY. Brimming with a full complement of sophisticated features like the high resolution lossless surround formats from Dolby TrueHD, DTS: X and DTS-HD Masters Audio decoding, and now object-based audio with Dolby Atmos, the M17 provides the highest levels of performance. The Dirac Live® adjustment kit is sold separately. 1 balanced outputs. ART leverages Dirac’s industry-leading expertise in MIMO mixed-phase correction to make the speakers in a room work together. DDRC-24 recording equipment pdf manual download. Dirac Live Bass Control (Multiple Subwoofer) Dirac Live Bass Control Multiple Subwoofer adds another dimension to Dirac Live Full Bandwidth. AutoEQ with REW; In this application note, we show you how to use Room EQ Wizard (REW) and its integration with miniDSP to equalize your subwoofer. At least a dual core i3, i5, or i7 processor, or AMD equivalent; At least 4 GB RAM; Two free USB 2. Dirac Live Room Correction Suite - Quick Start Guide Enable superior sound experiences across content and devices, for the many, not the few, through pioneering digital audio solutions Sitemap Menu Dirac for Home Dirac for Business Online Store Go into plugin window of the Dirac Processor. miniDSP 2x4 HD as preamp with subwoofer integration Figure 2 illustrates a similar use of the miniDSP 2x4 HD as a digital preamp, but but the output channels have been configured to act as crossover for a pair of active 2-way speakers. 1 (8K Ultra HD) AV switching with support for Dolby Vision and HDR10+ dynamic video, plus IMAX Enhanced certification. 8-IN 12-OUT ADVANCED IN-CAR AUDIO PROCESSOR WITH DIRAC LIVE ACOUSTIC CORRECTION. The miniDSP SHD Power is a DSP-based network streamer, audio processor and power amplifier featuring Dirac Live®, the world’s premier room correction solution. After stereo Dirac Live correction, the audio signal is routed to the four output channels for processing such as parametric EQ and crossovers. Documents relating to the hardware and software options available for this product. Reboot might be needed. This sophisticated digital processing algorithm intelligently corrects frequency and time errors caused not only by the listening room but also by the speakers themselves. Dirac Live® is unique in providing true working impulse response correction as measured over a large listening region. Dirac Live calibration is described in the separate miniDSP Dirac Live User Manual. If your processor was purchased after 01/01/2022, your unit is already pre-registered with Dirac. Later versions of Dirac might have slight variations to the process. Dirac Live Room Correction/ Dirac Live Bass Control. It has two digital audio inputs (SPDIF and optical), USB audio and high-quality Bluetooth audio with LDAC™ and aptX™ HD codecs. Then run a Dirac Live calibration as described in the miniDSP Dirac Live User Manual. The Dirac Live desktop application also requires access to the internet. This is a complete new architecture and codebase, so the “2. 0 Updated for Dirac Live 2/3, DiracLive documentation moved to separate miniDSP Dirac Live User Manual. 14) or macOS 10. Dirac Live overview¶ Page 40 If using Dirac Live, please refer to the Dirac Live Theater Setup manual. It has seven digital audio Many of the world’s leading brands offer home theater systems and sound processors with Dirac Live built in. May 13, 2023 · When you run Dirac Live, it will measure the frequency response of your speakers and room, and then apply corrections to the signal to compensate for any acoustic issues. 要使用 Dirac Processor Plugin，您需要下载并安装两个组件：Dirac Live 和 Dirac Processor Plugin。Dirac Live 用于测量和生成滤波器，而 Processor 音频插件则用于存储相应的滤波器和处理音频数据。请按步骤查看快速入门指南。 Feb 3, 2023 · I have written about Dirac Live extensively on this site (just check Menu –> Audio Guides –> Dirac Live) so I guess this article is highly overdue. 教程：在 Dirac Live Processor/房间较正套件中设置低音控制通过开创性的数字音频解决方案，为众多而非少数人提供跨内容和设备的卓越声音体验 Sitemap 菜单家庭版Dirac Dirac业务在线商店 The Dirac Live desktop application and any Dirac Live-supported hardware need to be connected to the same network to facilitate communication. Browse PDF User Guides and Manuals. Using Dirac Live. Run the Dirac Live Calibration Tool™ installer (. Dirac Live overview¶ Dirac Live uses from 9 to 17 measurements made at different locations in your listening room to calculate correction filters for your speakers and subwoofer. The term “miniDSP processor” will refer to any of the following miniDSP products: Stereo processors • SHD Series (User Manual) • DDRC-24 (User Manual) Dirac Live Room Correction Suite (Processor) Dirac Live Bass Control. Dirac Live will prompt you to take measurements from various positions within your room. Dirac Live's mixed-phase filtering technology will improve the imaging of your system, minimize the effects of room modes and resonances, and improve dynamics and clarity. x license for full range correction (20Hz~20kHz) UMIK-1 calibrated measurement microphone; IR remote v2; External universal power supply; NOTE: The UMIK-1/2 are measurement microphones approved by Dirac 2. 2. Then run the Dirac Live calibration as described in the miniDSP Dirac Live User Manual. Benefits. The Stereo Dirac Series of 24/96 * high-resolution audio processors incorporate Dirac Live ® room correction from Dirac Research. The Dirac Live desktop application and any Dirac Live-supported hardware need to be connected to the same network to facilitate communication. 10 Revisions to signal flow and sub integration for new app notes 11 June 2021 Dirac Live Room Correction Suite (Processor) Dirac Live Bass Control. Options. 30 June 2020 2. com / Features and specifications subject to change without prior notice This app note describes how to implement an active speaker and Dirac Live room correction in a single box. Press plugin connector button in this case ( 2in 2 out) Edit VST3 bus size from auto to manual ( in this case a working solution "5" ) Try different settings of the size of the bus size to suit your needs and try again. 2 Unified firmware with 2x4HD 28 February 2022 2. Dirac Processor Standalone software provides systemwide Room Correction for desktop devices. you will need to use the original version of Dirac Live (“Dirac Live 1”) with your C‑DSP 8x12 DL processor. Dirac Live is a digital room calibration solution designed to optimize your sound systems and counterbalance the challenges presented by the room’s acoustic properties. View and Download miniDSP DDRC-88D user manual online. 6 days ago · To create filter with Dirac Live: Start playback of a track in JRiver Put it on repeat to keep it going. in Dirac VST plugin, you should see the meters active at this point Now, start up the Dirac Live app and select appropriate processor The miniDSP DDRC-24 implements stereo Dirac Live correction. Depending on the host application, it might be under the subheading "Dirac Research. Dirac Live User Manual + FAQ. In this application note, we'll give a quick run-down on how to use one. Research now refers to it as “New Dirac Live,” the “Dirac Live 2” designation seems to have stuck in common use. The Dirac Live application use network ports 11113, 11115, 11117, 5000, and 8080. miniDSP Ltd, Hong Kong / www. The miniDSP DDRC-88A is an 8-channel digital audio signal processor (DSP) running the Dirac Live® room correction algorithm. XMC-2 User Manual. Dirac Live® User Manual – www. exe file) and follow the on-screen instructions 2. The software provides clear instructions and visual aids for optimal microphone placement. miniDSP continues to support this version for the benefit of customers unable to run the latest versions of Windows and macOS. Follow the step by step guide to see the Quick Start Guide. 3. You will take these measurements using the miniDSP processor, the Dirac Live application running on your computer, and a miniDSP UMIK-1 or UMIK-2 measurement microphone. 1 44kHz 20bits V: HDMI 1 1080P/60 8bits 4:2:2 SDR RMC-1 STANDBY Differential Reference Page 1 Page 4 OUR CURRENT PROCESSORS, WILL NOT WORK WITH OUR LEGACY XMC-1 PROCESSOR. In order to use the Dirac Processor Standalone, you will need to download and install two components: the Dirac Live application and the Dirac Processor Standalone (1. Select your Dirac Live-enabled device from the list. 1 Signal flow To understand how the SHD Series processor combines Dirac Live with miniDSP’s audio processing, refer to the signal flow diagram in Figure 3: • One of the stereo input sources is selected by the user and passed to two channels of Dirac Live processing for digital room correction. minidsp. 0”. 0, our new auto target curve eliminates manual adjustments and provides a more balanced response with a natural slope, ensuring a lifelike result while preserving the speakers' individual flavor. exe file) and follow the on-screen instructions 4. To accomplish this, the Dirac Live software steps you through the Dirac Live¶ The miniDSP SHD Studio implements stereo Dirac Live correction. C:\Program Files\Dirac\Dirac Live Processor Preparing the Dirac Processor Plugin for Measurement If not using the Dirac Processor Plugin, skip this section. Available on Android, iOS, Window, and MacOS. 5. Dirac Live. It features eight HDMI® Ultra High Definition (4K UHD) inputs and two HDMI 4K UHD outputs. The AP20 contains a full suite of 1/3 Octave EQ filters that are “traditional” cinema processor filters. ” The new version of Dirac Live that is explained in this manual was announced by Dirac Research as “Dirac Live 2. Open the Dirac Live application and enter your account details. The latest version of user guides and manuals for this product. dirac. 12 – 10. That is, there are two channels of Dirac Live correction. If music stops you might lose connection to processor when you start the Dirac Live app. The software program that you run on your Mac or PC is now referred to simply as Dirac Live. The miniDSP HT Flex(x) is confirmed to work by another member and should process both Dirac Live + DLBC on the standalone desktop version only via usb. macOS¶ macOS 10. The Dirac Live® Product This manual describes operation of the current version of Dirac Live on Dirac Live-enabled miniDSP processors. You might also try assigning new IPs to your devices via your router settings menu. com 2 (41) Live® Room Correction and are designed for use with desktop plugin hosts and professional DAWs. 0. ULTRA-COMPACT 2-IN 4-OUT AUDIO PROCESSOR WITH DIRAC LIVE ROOM CORRECTION TECHNOLOGY. Setting a static IPs for the AVR might also help. com / Features and specifications subject to change without prior notice Page 10: Hardware Connectivity Subwoofer integration with Dirac Live; In this app note, we will demonstrate subwoofer integration for miniDSP's stereo Dirac Live processors using only the Dirac Live app for measurement. 4GHz adaptor; Dirac Live v3. 3 USB recording info, updated remote control 18 May 2022 Acknowledgments Dirac Live® A full list of documents for Dirac Live and this audio processor. 6 Remove legacy support (“Dirac Live 1”) 17 December 2020 2. Page 9: How Dirac Live® Works 1. This is for two reasons: to access the license server and because part of the filter design is calculated on a cloud server. DDRC-88A processor pdf manual download. 1. Starting from Version 3. 6. This tutorial was written with Dirac version 3. From "Room EQ" - "Dirac Live" in "Quick Menu", select from "Slot1" to "Slot3". View and Download miniDSP Flex user manual online. The miniDSP Flex (DL) is a compact stereo-input, four-channel output high-resolution audio processor featuring Dirac Live®, the world’s premier room correction solution. There is no separate Dirac Live channel for the subwoofer. Start your plugin host or DAW and locate the DiracLiveProcessor in the plugins menu. Internet connection. Find all our drivers and product documents such as manuals or protocol documents, on our Download Center. May 18, 2022 · Dirac Live calibration is described in the separate miniDSP Dirac Live User Manual. 5 (Catalina) Ensure that your Dirac Live-enabled device and computer are both connected to the same local network and have internet access. (If you Dirac Live room correction¶ The miniDSP SHD executes stereo (two-channel) Dirac Live® digital room correction, from Dirac Research. miniDSP Flex (with Dirac Live)¶ Product Overview¶. 1 Adobe AIR and Flash no longer needed 1 February 2021 2. Flex computer hardware pdf manual download. Here you can manage your devices for better sound. 4. Add the optional Dirac Live software upgrade for world-class room correction. 1 A UMIK-1 is included in the standard purchase price of the DDRC-88D processor. 5 Dirac Live documentation moved to separate miniDSP Dirac Live User Manual. mpkg file) and follow the on-screen instructions 4. Universal Remote IP Control Integration Emotiva Processor Setup Resources. Page 4 Dirac Live for Emotiva Processors In addition to an extensive set of manual adjustment and calibration tools, our RMC-1, RMC-1L, and XMC-2 processors now include the latest version of Dirac Live automatic room correction. Run the Dirac Audio Processor™ installer (. Manuals. It includes a 120W per channel low-distortion power amplifier for powering main speakers and two additional analog outputs for connecting a subwoofer or subwoofers, configured with View and Download miniDSP DDRC-24 user manual online. A full suite of digital and analog connectivity is included along DANTE digital audio networking and HDMI 2. The RAP-1580MKII is the ideal home theater solution delivering uncompromised audio and video performance supporting 7. Technicians using the kit must be trained and certified on its use. After you have set up the DDRC-24 plugin, save your configuration to a file. It is for: • Windows Vista® SP1/Win7/Win8 • OS X 10. Dirac Live is used to measure and generate filters, while the Processor Standalone stores the corresponding filters and processes audio data. Learn more here: New auto target curve - Dirac Dirac Live® Datasat Digital Entertainment uses Dirac Live® within all our audio processors. Find the device IP (usually accessible inside firmware menus) and connect to it directly using the "IP" button in the top left menu of the Dirac Live "Select device" screen. You don’t have to invest substantial time or break the bank to improve your studio’s acoustics. It can be used anywhere an 8-channel room correction processor is required, such as in home theaters, recording and mastering studios, performance venues, places of worship, and so on. Browse FAQs. Other types of support documentation not featured above. Ensure that your AVR’s firmware is up to date to access all functionality in this manual. For users who prefer manual adjustments or alternative software like Room EQ Wizard, both models also provide 11-band parametric EQ control per channel. User Manual. I remember when I first used Dirac Live back when it was released. Dirac Live is used to measure and generate filters, while the Processor audio plugin stores the corresponding filters and processes audio data. This technology is used not only in home stereo and home theater systems but also in cinemas, recording studios, and luxury cars. Some products are also Dirac Ready, which means that all levels of Dirac Live need to be purchased separately. The miniDSP Flex Eight (DL) is a compact stereo-input, 8-channel output high-resolution audio processor featuring Dirac Live®, the world’s premier room correction solution. It also includes our powerful but user-friendly DSP audio tuning software for applications ranging from subwoofer integration to a two-way active speaker. please see the full manual: The Datasat AP20 is a 16 channel audio processor. com / Features and specifications subject to change without prior notice 9 The RMC-1+ and XMC-2+ come with a Dirac Live 3 license for advanced room correction, allowing you to use a calibrated microphone and your computer to fine-tune audio to your preferences. However, the corrections made by Dirac Live can affect the overall output level of your speakers, which is why you are noticing higher levels after running the measurement. Dirac Live Processor for Windows (64-bit) This manual provides instructions for setting up and using the Dirac Live desktop software, including the bundled Room Correction feature, additional Bass Control feature, the Dirac Processor Plugin package, and the Dirac Processor Standalone desktop software. DIRAC Live with Bass Control room EQ with JBL Synthesis system enhancements provides exceptionally accurate system tuning. 13, the latest versions you can use are Dirac Live 3. It supports Dolby Atmos®, DTS:X®, Auro-3D®, and Dirac Live®. It has four analog output channels and stereo audio input via analog (RCA), USB, and TOSLINK (optical). Emotiva Processor Compatibility, Configuration Notes. Any number of "ways" and speakers can be implemented up to the number of output channels: C-DSP 8x12 DL. 3. WEB Manual. 8 Updates to Volumio UI 8 February 2021 2. Dirac Live User Manual Dirac Live Quick Start Guide Firmware + Instructions/Release Notes XMC-2 3. Software The M17 V2 offers full HDMI video switching and surround sound decoding along with 11. The last two in particular are needed for the bridging app to communicate between Dirac Live and the miniDSP processor. A UMIK-1 is included in the standard purchase price of the C-DSP 8x12 DL processor. It was by feeding a top of the line Yamaha Avantage receiver with Dirac-corrected multi-channel audio from a home theatre PC. 2 Windows installation 1. Other. 7. The AP20 includes Dirac Live®, proprietary software used to optimize room acoustics. The AudioControl Maestro X9 / X7 processors and Concert XR8 / XR6 / XR4 receivers are enabled with the Dirac Live Bass Control features. miniDSP Ltd – Hong Kong / www. 9 – 10. Note that the same data is saved in all of the slots, but you are able to create your own original sound quality in the following "Manual Adjust" section. View and Download miniDSP DDRC-88A user manual online. 0dB Volume -35. 2 Firmware. Available in the NAD Masters M66 with four independent subwoofer outputs, Dirac Live Bass Control individually controls each subwoofer and corrects bass characteristics across the listening area, eliminating peaks and dips to create a smoother, more The Dirac Series of high-resolution audio processors from miniDSP incorporating Dirac Live® are an advanced hardware/software solution for digital room correction (DRC). Therefore, it treats each speaker combined with the subwoofer as a single channel. The miniDSP SHD Studio is our all-digital DSP-based network streamer and audio processor featuring Dirac Live®, the world’s premier room correction solution. The process for The miniDSP DDRC-24 is an extremely compact yet powerful and flexible digital audio processor featuring Dirac Live®, the world’s premier room correction solution. Please make sure your processor or receiver is running the latest firmware in order to have access to the Bass Dirac Live calibration is described in the separate miniDSP Dirac Live User Manual. as “Dirac Live 1” to distinguish it from “Dirac Live 2. miniDSP Flex as preamp with subwoofer integration Figure 2 illustrates a similar use of the miniDSP Flex as a digital preamp, but the output channels have instead been configured to act as crossover for a pair of active 2-way speakers. Up to all manuals miniDSP Flex HTx User Manual Introduction Software Installation Basic Operation miniDSP Device Console Signal Flow Signal Flow Overview Input channels Bass management Channel routing Dirac Live Dirac Live On this page: Overview Matrix mixer Output channels DSP Reference Dirac Live Dirac Live Room Correction Suite features patented algorithms to digitally reduce the room impacts and enhance the accuracy of sound reproduction, from timing and frequency response to imaging. C-DSP 8X12 DL recording equipment pdf manual download. Thank you again everyone and special thanks to Glenn @ Dirac Live customer support. Internet connection We will assume that you have already set up your system containing the miniDSP processor and installed the miniDSP and Dirac Live software as per the user manuals. It complements the main user manual for each product. Note: there will be only two channels shown, even if you have used the Device Console to set up routing for a subwoofer. This is because the miniDSP DDRC-24 is a stereo Dirac Live processor. This approach surpasses bulky physical treatment, while being completely invisible in your space. 8-CHANNEL AUDIO PROCESSOR WITH DIRAC LIVE TECHNOLOGY. Also for: Dirac live c-dsp 8x12 dl. Page 10: Dirac Series / Dirac Live® Configuration Steps Roon Ready network audio streamer with Dirac Live® room correction, miniDSP audio toolbox for subwoofer integration and multiway speakers, Volumio music player, Audiophile 32-bit converters, 450MHz Sharc DSP processor Dirac Live Room Correction/ Dirac Live Bass Control. If you see something that doesn’t match with what you read in this guide, please call AudioControl tech support. Dirac Live®, the world’s premier room correction solution, corrects both the room and the loudspeaker with a unique proprietary mixed-phase algorithm doing both impulse and frequency response correction. 2 A UMIK-1 is included in the standard purchase price of the C-DSP 8x12 DL processor. 8-CHANNEL AUDIO PROCESSOR WITH DIRAC LIVE TECHNOLOGY AND OPTIONAL UPGRADE FOR BASS MANAGEMENT AND CROSSOVER. For an overview, see Using Dirac Live® to Tune the Auditorium, page 44. 2 H IRAC WORKS Each miniDSP Dirac Series audio processor includes Dirac Live®, a premium mixed-phase room correction technology. 11, macOS 10. If using AP20 1/3 Octave EQ, complete the following steps. " Page 3 Dirac Live for Emotiva Processors Dirac Live for Emotiva Processors Automatic Room on HDMI 1 Reference Stereo Volume -35. The technology was developed and tested in one of the most challenging acoustic environments, the luxury automobile industry. 0 and Dirac Processor 1. miniDSP's multichannel audio processors with Dirac Live room correction can implement advanced multiway active speakers. DDRC-88D computer hardware pdf manual download. Page 24: Stereo Room Correction And Subwoofer Integration DDRC-24 Sub integration note at this link. Get Dirac Live Room Correction software on your device. To accomplish this, the Dirac Live Oct 9, 2024 · This is overcome by getting a multichannel DAC. 7 Adobe AIR and Flash no longer needed 1 February 2021 2. This is because the miniDSP SHD is a stereo Dirac Live processor. 13 The Dirac DDRC-88A is an 8-channel digital audio signal processor (DSP) running the Dirac Live® room correction algorithm. A UMIK-1 is included in the standard purchase price of the DDRC-88A processor. Page 9: Dirac Live Dirac Live calibration is described in the separate miniDSP Dirac Live User Manual. You can run Dirac Live 2 if your computer has: • Windows 10, or • macOS Mojave (10. You can use the equalizer function based on the measurements results of Dirac Live. 3 All platforms Powered by a 400 MHz Analog Devices SHARC processor, the DDRC-24 retains the 4-channel output of its sister unit, the miniDSP 2x4 Hd, in order to allow applications like subwoofer integration or even 2-way loudspeakers together with Dirac Live® room correction in a single tiny hardware platform. 11 through 10. Internet connection Subwoofer integration with Dirac Live; In this app note, we will demonstrate subwoofer integration for miniDSP's stereo Dirac Live processors using only the Dirac Live app for measurement. x). 0 ports. For additional guidance and walkthroughs, please consult the Dirac Knowledge Base. 12 output Explore our tips & tricks for setting up Dirac Live for Arcam, Lexicon and other dirac-enabled surround sound processors. Dirac Live と Dirac Processor Standalone のダウンロードとインストール Dirac Live と Dirac Processor Standalone はこちらからダウンロードできます。ライセンス認証のため、コンピュータがインターネットに接続されていることを確認してください。 miniDSP is proud to announce the immediate availability of the DDRC-24, the world’s smallest Dirac Live® processor. Some devices come with the full feature set already enabled, while others offer limited options that can be upgraded. Dirac Live Room Correction is a state-of-the-art room calibration solution, enabling precise optimization of your sound systems by addressing and optimising for the acoustic properties of the room. If the miniDSP processor is not detected: Double-check the USB cabling from your computer to the processor. It describes use of the original Dirac Live “Dirac Live 1” with the DDRC-22 processor. Please refer to the C-DSP 8x12 DL User Manual Legacy Support Dirac Live overview¶ Dirac Live uses from 9 to 17 measurements made at different locations in your listening room to calculate correction filters for your speakers and subwoofer. uyarj uai tuxjty edpnr whxyqzg bfp mhzt iuoyk mekqsq vgwr

Dirac live processor manual. DDRC-24 recording equipment pdf manual download.