SAFETY NOTICES While using this machine, please follow the following guidelines to secure the safety. The meanings of the marks are described as below. Please read to understand them. It is possible that a user suffers death or serious injury because Warning of improper use.
Page 4
Please observe the following instructions in order to use safely. Please do not disassemble or modify this machine because it may cause electric shock and breakdown. Please observe the instruction manual to repair or replace parts. Otherwise, no action should be carried out.
Page 5
Please locate the machine in a well-ventilated place during use. Please use the power plug for disconnecting or connecting the power cable. If the machine is not in use for a long time, please disconnect power plug from the power socket.
1. Accessories check Please make sure you have all of the following accessories. AC Adaptor : 1 pc (12V 2A) USB cable (USB (A to B) ) : 1 (for USB Audio) USB cable (USB (A to mini B)): 1 (for update, image transferring) Instruction manual :...
2. Features • Built in high-end TI PCM1795 192KHz / 32bit DAC IC, also supports D/A converter with high-performance headphone amplifier, • The high-end TI TPA6120 IC allows best headphone outputs with 120dB dynamic range and excellent S/N ration at ultra-low distortion of 0.00014%. The professional TI PGA2320 IC allows DC amp configuration at maximum 100mW (32 ohm) with 102dB dynamic range and ultra-low distortion of 0.0003%.
3. Part names and functions Front panel Power switch Turns power ON and OFF. Headphone output Connects a headphone Display area A level meter that displays current input sampling rate and volume. It can be customized by users to display image from other sources.
Rear panel LINE OUTPUT The converted analog signal from D/A (line level) is output. USB AUDIO USB audio signal input from PC. OPTICAL Optical digital audio input (S/PDIF, TOSLINK). COAXIAL 75Ω Coaxial digital audio signal input (S/PDIF, COAX). UPDATE USB When updating the machine or changing the display images, please refer to separate "UDAC32UTL operation manual"...
If the menu is not displayed automatically, please click the index.html on CD-ROM. Please click the "Installation of UDAC32 USB Audio Driver (Please run first)" from the menu. In addition, please use Microsoft Internet Explorer browser. When security warning screen is shown as below, please click “Run (R)”.
Page 11
If setup screen is started, please click “Next”. To display next screen, please click “Install”. Under Windows Vista / 7, if warnings like "User Account Control" and so on appear, it means allowable, please click “Continue” and “Next”. - 11 -...
Page 12
Under Windows XP, following process may not be possible to execute and will be skipped. In that case, the following warning may be hidden in Setup screen. Please try to move mouse to the Setup screen and click “Continue (C)”. - 12 -...
Page 13
Under Windows Vista / 7, the following screen will appear. Under Windows XP, it shows the following screen will appear. In this case, turn on the power of UDAC32, process the next page of ”6-1. USB audio signal connection” setting, then clicks “OK”. The installation of driver will be completed very soon.
6-2. Optical digital signal connection Digital audio devices (CD, DVD player etc.) connect optical digital output terminal. They can also be connected to PC screens. (When UDAC32 is used to receive the signals from stereo linear PCM, it does not support AC3, 5.1ch etc.)
6-3. Coaxial digital signal connection Digital audio devices (CD, DVD player etc.) connect coaxial digital output terminal (COAX). (When UDAC32 is used to receive signals from stereo linear PCM, it does not support AC3, 5.1ch etc.) 6-4. Line output signal connection This machine can convert the input digital audio signal into analog signal (line level).
6-6. Power cable connection Connect the attached AC adapter to the DC INPUT terminal on the back of the machine and the power plug to the power socket on wall. 7. Power-on Notice When the power is on, the last volume will appear. So, please make sure the volume value is suitable when using the headphone.
8. Operation Method 8-1. Power on ~ possible situations Please double check whether the connection is correct or not. When the metal bar is up, the power is ON. When the metal bard is down, the power is OFF. When the power is on, the machine will start the initialization.
8-3. Input source change Change the input source by pressing the knob. Press the knob slowly and firmly according to the following sequence.. OPT → COAX → USB → OPT ..Input source setting will be saved after the change. Don’t power off right after the change. Otherwise, the new input source cannot be saved.
8-5. SETTING switch You can do various settings. Switch number Switch status Setting item Screen example 1 : Full screen setting The default setting displays the screen of the finished product for delivery. The top area displays the logo. The bottom area displays different status.
Setting item Screen example 3 : Level meter setting level meter displays headphone output level. "Lo" and "Ro" will be displayed on the left of the level meter. The level meter displays the input level. "Li" and "Ri" will be displayed on the left of the level meter.
9-1. Windows Vista / 7 After installing the driver, the machine will be ready for use, please follow the following steps to open the CONTROL PANEL. [START] → [CONTROL PANEL] Under Windows7, change View by: “Large icons” from "Category", then click [SOUND] Under Windows Vista, enter [Classic display], click [Sound].
Page 22
Open [Playback] tag. Select “UDAC32 USB HD Audio”. Click [Set Default], and then click [Properties]. - 22 -...
Page 23
Find the [Levels] tag, turn the volume slider to the right to reach the maximum volume (100). Please do the volume micro adjustment with the reproduction software of Windows Media Player. In addition, if standard applications such as Windows Media Player etc. have the [Advanced] of “Default Format”, please do the change according to the necessary settings.
9-2. Windows XP After installing the driver, the machine will be ready for use, please follow the following steps to open the CONTROL PANEL. [START] → [CONTROL PANEL] Click [Sound and Audio Device]. - 24 -...
Page 25
Open [Audio] tag. Find the [Existing device]under [Sound reproduction]. If the “Rasteme UDAC32 Audio HD Output” is seen, the machine is ready for use. Save the “Rasteme UDAC32 Audio HD Output” as[Existing device], then click [Applicable (A)]. - 25 -...
Page 26
Find the “Volume” tag, turn the volume slider to the right to reach the maximum volume. Please do the volume micro adjustment with the reproduction software of Windows Media Player. - 26 -...
9-3. MAC OS 10.6.3 or later version 1. Open “Apple mark” → “System Preferences” and then double click “System Preferences” of the “Application”. ① ② 2. Open "System Preferences”, find the “Hardware“ and double click “Sound” - 27 -...
Page 28
3. Select “Output” under “Sound”, then the [Rasteme UDAC32 USB HD Audio Out] will appear. If the [Rasteme UDAC32 USB HD Audio Out] does not appear, it is possible that the power adaptor of the machine or the USB cable has not been connected.
10. Abnormal Conditions No sound is heard or the sound almost cannot be heard. * Please make sure that each connecting device is properly connected. Make sure that the power adaptor is on after connecting the machine. * Make sure if the volume value of the machine is at the minimum level. * When the output is from PC, please make sure the sound and audio property are properly set.
External dimensions W123mm x D127mm x H48mm (Excluding protrusions) Machine weight Approx. 600g UDAC32 x 1 AC adaptor (12V2A) x 1 USB cable ( Type-A to Type-B ) x 1 Accessories USB cable ( Type-A to Type-mini B ) x 1...
Need help?
Do you have a question about the UDAC32 and is the answer not in the manual?
Questions and answers