Page 2 - Important Safety Precautions; DO NOT cut off the mains plug from this equipment.; IF IN DOUBT — CONSULT A COMPETENT ELECTRICIAN.
2 Important Safety Precautions CAUTION: TO REDUCE THE RISK OF ELECTRIC SHOCK, DO NOT REMOVE COVER (OR BACK). NO USER-SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL. The exclamation point within an equilateral triangle is intended to alert the user to the presence of importa...
Page 3 - SAFETY INSTRUCTIONS
3 Read all of these Instructions. Save these Instructions for later use. Follow all Warnings and Instructions marked on the audio equipment. 1) Read instructions — All the safety and operating instructions should be read before the product is operated. 2) Retain instructions — The safety and operati...
Page 4 - Declaration of Conformity; Trade Name
4 This product is designed to help you record and reproduce sound works to which you own the copyright, or where you have obtained permission from the copyright holder or the rightful licensor. Unless you own the copyright, or have obtained the appropriate permission from the copyright holder or rig...
Page 5 - Table of Contents; Hooking up Audio and MIDI to the US-224
5 Table of Contents Table of Contents ........................................ 5 Introduction ................................................. 6 1.1 Overview............................................ 6 1.2 Features ............................................ 6 1.3 What’s in the package ............
Page 6 - Introduction; What’s in the package; BOLD CAPS; Italics
6 Introduction 1.1 Overview The US-224 is a USB controller designed for Cubasis and other Digital Audio W orkstation (DAW ) software applications. Its design incorporates a two-input, two-output 24-bit audio interface, a 16-channel MIDI interface, and a control surface for your most-used mouse funct...
Page 7 - Controls and Indicators
7 2. Controls and Indicators 2.1 Front Panel 1. Power LED 2. USB LED 3. MIDI In & Out LEDs 4. Mic/Line – Gtr Switches 5. Signal and OL LEDs 6. A and B Input Trims 7. Line Out and Phones Output Levels 8. DATA Wheel 9. NULL Switch and LED 10. Input Monitor Switch and LED 11. Bank Switches and LEDs...
Page 9 - Front Panel Descriptions; Fader NULL Switch and LED
9 2.3 Front Panel Descriptions 1. Power LED Indicates that the unit is powered on when lit. 2. USB LED Indicates a valid USB connection to the host computer when lit. 3. MIDI In LED indicates presence of incoming MIDI data at MIDI input. MIDI Out LED indicates transmission of MIDI data from MIDI out...
Page 10 - SELECT LEDs; indicates selected status of channel.; SOLO LED; Rear Panel Descriptions; Balanced XLR Inputs A and B.
10 14. Channel Faders send continuous controller information for banks of four faders, as selected by the BANK switch Master Fader controls level to the stereo bus output, and/or sends MIDI controller information to the host. 15. SELECT Switches selects channel for editing, recording, etc. SELECT LE...
Page 11 - System Requirements; My Computer; on the; Device Manager; tab, and then click; Universal Serial
11 3. Installation 3.1 System Requirements PC: Minimum requirements: Pentium II - 266 MHz (or equivalent) processor running W indows 98 (Second or Millennium Edition), W indows 2000 or W indows XP, 96MB RAM. Recommended: Pentium II 300MHz processor with 128MB RAM or better. (These requirements are f...
Page 12 - To install under Win98SE or ME:; The US-224 will run under W in98 SE
12 MacOS: PowerPC running MacOS 8.6 or better, and a USB port. Any Macintosh computer with one or more USB ports running Mac O/S 8.6 or later (the US-224 has not been tested with Mac O/S X as of this writing. Please check the website for updates). Very early iMac computers may need one (or more) fir...
Page 13 - To install under Win2K or Windows XP:; Run the Installer with US-224 turned
13 In some cases, Add Hardware W izard may ask for the file "US224W DM.SYS". Should this occur, click Browse and direct it to the path Windows/System32/Drivers . In some cases, Add Hardware W izard may ask for your W in98 CD-ROM if it is unable to find all the needed system files. W e sugges...
Page 15 - For even more detail on
15 Certain devices, such as network cards and W inModems, can cause conflicts with the native handling of USB. Should you experience such conflicts, the offending device can usually be temporarily disabled in the Device Manager. Refer to your W indows manual for detailed instructions on how to resol...
Page 16 - Notes on USB interfacing
16 3.5 Notes on USB interfacing The USB protocol is an extremely versatile one, and much has been made of the possibility of using multiple (over 100) devices on a single bus. W hile this is certainly a possibility, we recommend using as few other USB devices as possible in a system equipped with th...
Page 17 - Hooking up audio; NOTE
17 4. Hooking up Audio and MIDI to the US-224 4.1 Hooking up audio To monitor output from your computer, connect the analog outputs of the US-224 to your mixer, amplifier or powered monitors. Output volume is controlled by the LINE OUT level pot. If you’ve got a digital mixer, external D/A converter...
Page 18 - Monitoring
18 input is passed directly to the application without modification. To reduce the level of the digital audio signal at inputs A and B, you will need to reduce the output level of your digital source. Note about levels and gain structure here. The TRIM controls directly affect the input level at the...
Page 20 - Input Monitor
20 5. The US-224 Control Panel 5.1 Main Page In the Control Panel’s main page, you can specify a number of options of the US-224’s ASIO handling. The Control Surface Protocol setting governs the type of MIDI messages used to send fader and button information from the US-224 to applications. The corr...
Page 23 - Note; your Audio Device; Audio
23 6. Interfacing with your Audio Software This section is intended to present the basic concepts needed to interface the US-224 with the bundled Cubasis VST application. This discussion, however, is not intended to replace your software’s users’ manual. If you’ve got questions specific to Cubasis, ...
Page 25 - transport controls; PLAY
25 Highlight a track in the arrange window, and that track will automatically be Record- Enabled. (see illustration 6.07) Verify that the drop-in and drop-out features in Cubasis (on the transport bar) are not enabled (or if so, that they are enabled at the desired locate points). Press the RECORD b...
Page 26 - BANK Controls and FADER
26 6.5 Mute/Solo The MUTE buttons toggle the Mute function in Cubasis’ VST Channel Mixer for the selected channel. W hen a channel is muted, there are two indications: the Mute button in the Cubasis VST Channel Mixer’s display will be activated, and the MUTE LED on the US-224 corresponding to the mu...
Page 28 - : This chapter is intended as a quick
28 7. A Sample Recording Session in Cubasis Okay. You’ve got your US-224 connected to your computer, and you’ve loaded the drivers. Your audio software is loaded, and you’re ready to cut some tracks. Let’s walk through a typical recording session with the US-224 and Cubasis. NOTE : This chapter is i...
Page 29 - Recording Your Tracks; Input; : If this is the first track recorded in a; : The SIGNAL and OL LED’s do not
29 Connect your audio sources to the US-224. Connect an analog source via the XLR or 1/4” inputs, or a digital source via the S/PDIF input. 7.2 Recording Your Tracks In Cubasis, choose the input(s) you wish to enable on the US-224. In the Audio menu, select Input , and click on the input pair on the...
Page 31 - for
31 8. Other Applications and US-428 Emulation Mode As we’ve mentioned throughout this manual, the US-224 is an extremely versatile device. Its capabilities as a controller go well beyond those we’ve described thus far with the bundled Cubasis program. Since the US-224 is based on TASCAM’s very popul...
Page 34 - Technical Support; Audio Drivers; Tech Support Contacts
34 9. Technical Support 9.1 Troubleshooting W hen installing the US-224 for the first time, if you experience any unusual behavior, here are some things to check: Audio Drivers In Control Panel / System / Device Manager (W in98SE/ME) or Control Panel / System / Hardware / Device Manager (W in2000/XP...
Page 35 - Before Contacting Us; Troubleshooting FAQs
35 Also, since many of the situations you’re likely to encounter will be related to the software you’re using, it’s a good idea to check not only our website, but the websites and resources of the software program’s manufacturer as well. You can also email us at [email protected], or contact our ...
Page 36 - Appendix A - MIDI Implementation Chart; Function
36 Appendix A - MIDI Implementation Chart Function Transmitted Recognized Remarks Basic Channel Default Changed X X X X Through Mode Default Messages Altered X X …… X X Through Note Number True Voice X …… X Through Velocity Note ON Note OFF X X X X Through After Touch Keys Channels X X X X Through P...
Page 37 - Appendix B – Control Protocol; Purpose; Transport and Locate switches and status LED's; Communication model; Play-button command is sent via USB to host application as MIDI .
37 Appendix B – Control Protocol Purpose Provide simple, effective integration between the US-224 and host software applications. Introduction The US-224 provides digital audio I/O, MIDI, and control surface functions in a single affordable USB-based product. W hile the audio and MIDI I/O follow est...
Page 38 - Transport/Locate command set
38 Transport/Locate command set The US-224 contains a set of standard transport switches: REW , FFW D, STOP, PLAY, and REC. In addition, dedicated status LED's are used to communicate the current transport state to the user. The LED's indicate REW , FFW D, PLAY, and REC. (Note that there is no LED t...
Page 39 - Per-channel Control command set; LED
39 Per-channel Control command set The US-224 includes a set of 4 channel-strip controls and LED's. Each channel-strip includes the following controls: a. linear fader for gain control b. Mute/Solo switch and LED c. Record-enable LED d. Select switch and LED Three modifier switches affect the channe...
Page 40 - Bank-Switching Command Set; transmitted as 0 for now.; Continuous data wheel
40 Host to US-224 Messages: Note: In these messages, <STRIP #>is a number in the range [0..3], corresponding to the channel-strip #, and <STATE>is either 0x00 (LED OFF) or 0x7F (LED ON) . Transmit<UNIT> as 0 for now. 1. UPDATE_MUTE_LED: F0 4E<UNIT>12 02<STRIP #> <STA...
Page 42 - Appendix C - US-224 Technical Specifications; Maximum Input Level:
42 Appendix C - US-224 Technical Specifications General Frequency Response 20 Hz - 20KHz 1.0 dB / -3.0 dB LINE INPUT A/B to LINE OUTPUT TRIM min., +4 dBu input LINE OUTPUT level max. Noise Level Better than 92 dB A W eight MIC INPUT A/B to LINE OUTPUT TRIM min., 150 ohm terminated LINE OUTPUT level ...
