Comet Computer DAC
User Guide
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Страница 1: ...Comet Computer DAC User Guide image www freeimages co uk ...
Страница 2: ...his manual and familiarize yourself with the full capabilities of the EXOGAL Comet Installation and Set up Unpacking Use care in unpacking your EXOGAL Comet Inspect it for any shipping damage and call your dealer immediately if any is found Do not plug your EXOGAL Comet into an AC outlet if you find shipping damage We advise saving all packing materials so that the unit can be easily and safely sh...
Страница 3: ...a static shock will damage the unit but it may cause the EXOGAL Comet circuitry to lock up see Troubleshooting Lock up page 10 Inputs and outputs can be safely connected to the EXOGAL Comet Before the unit is powered up When the unit is in Full Mute mode When the unit is in Standby Mode We strongly recommend that you use your EXOGAL Comet connected directly to your power amplifier Even if you purc...
Страница 4: ...10 Inputs and outputs can be safely connected to the EXOGAL Comet Before the unit is powered up When the unit is in Full Mute mode When the unit is in Standby Mode The EXOGAL Comet has five input sources Analog RCA jacks AES EBU with XLR type connector Plastic optical TOSLINK USB Type B Connector Coaxial with BNC connector To connect a source install the proper cable between the output of that sou...
Страница 5: ...stication of the transmitter and receiver For example a high quality coaxial cable can outperform a low quality AES EBU cable If you are using a coaxial cable we recommend that you have the cable terminated with a 75 ohm BNC connector This will provide higher performance than an RCA connector Again we highly recommend that you take advantage of your dealer s experience and most importantly trust y...
Страница 6: ...reen is the indicator that shows a signal is being received from a remote control Also the Mute State Indicator is in the lower right hand corner of the display There are three Mute Modes Normal Listening Level Reduced Mute Normal Listening Level 10dB and Full Mute no sound The upper box may show TOSLINK as the currently selected Input main which means the XLR RCA outputs the other choice is head ...
Страница 7: ...og USB AES EBU SPDIF Each time the Input key is pressed the next input is selected For example if TOSLINK is currently selected pressing the Input key on the remote control will advance to the Analog and so on After SPDIF the list will begin again with TOSLINK When switching to a different input the display will briefly show the sampling frequency currently playing on that input After a moment the...
Страница 8: ...st time the unit is powered on this level is factory set at 50 After the first use the Comet will return to the last level at which you were listening If you are listening to music from the Comet at your chosen listening level Pressing and releasing the Mute button one time reduces the listening level by 10dB If the Mute button is pressed and released a second time within 2 seconds the Comet is fu...
Страница 9: ...essed When the EXOGAL Comet is in either Mute Mode the Volume Screen will indicate this by displaying the indicators Other Back Panel Connectors Serial The 3 5mm serial connector can be used to control the Comet with an automation system It is also used to update the Comet s internal firmware It uses 5V TTL logic and is compliant with a FTDI TTL 232R 5V AJ USB to serial converter cable Trigger Out...
Страница 10: ...ressing and holding the button for 2 seconds will reset the unit configuration to factory defaults WARNING Do not press the button while the DAC is starting ie Before the volume or standby screens are displayed This will place the unit into a special mode used in manufacturing and you may cause the unit to become stuck in a mode that cannot be repaired in the field Power The Comet is powered from ...
Страница 11: ...Control Compromise Resolution The EXOGAL Comet uses our latest generation proprietary digital processing The volume level can be varied in the digital domain by means of mathematical manipulation of the signal eliminating the distortion and noise that are inevitable with even the best analog volume controls While conventional thinking indicates that reducing the volume digitally can sacrifice low ...
Страница 12: ...r is applied for the first time If you turn off your EXOGAL Comet for more than an hour you will find that the unit will undergo similar but less dramatic improvement once power is reapplied Technical Specifications Digital Inputs AES EBU on XLR SPDIF on 75Ohm BNC Toslink USB B Analog on isolated RCA Analog Input One Pair Unbalanced RCA Analog Outputs One Pair Balanced XLR One Pair Unbalanced RCA ...
Страница 13: ...st be used be sure it is an approved type and has sufficient current carrying capacity to power this product 4 Before cleaning the EXOGAL Comet always disconnect the power supply cord Use a soft cloth and if necessary dampen with plain water Never apply water or any other cleaner directly to the chassis 5 If you smell smoke or an abnormal smell immediately unplug the EXOGAL Comet from the power su...
