ADC ADDC1 instruction manual Federal Communications Commission FCC Notice Only, Safety Information

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Federal Communications

Commission (FCC) Notice

(U.S. Only)

NOTICE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

•Reorient or relocate receiving antenna.

•Increase the separation between the equipment and receiver.

•Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.

•Consult the dealer or an experienced radio/TV technician for help.

This device complies with Part 15 of the FCC rules. Operation is subject to the following two conditions:

1.This device may not cause harmful interference.

ADC1 Instruction Manual

2.This device must accept any interference received including interference that may cause undesired operation.

Instructions to Users: This equipment complies with the requirements of FCC (Federal Communication Commission) equipment provided that following conditions are met:

1.XLR Digital Output: Shielded 110-Ohm AES/EBU digital audio cable with connector shell bonded to shield must be used.

2.BNC Digital Connections: Shielded 75- Ohm coaxial cable must be used.

NOTICE: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

Safety Information

Do NOT service or repair this product unless properly qualified. Only a qualified technician should perform repairs.

For continued fire hazard protection, fuses should be replaced ONLY with the exact value and type as indicated on the rear panel.

Do NOT substitute parts or make any modifications without the written approval of Benchmark Media Systems, Inc. Doing so may create safety hazards and void the warranty.

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Contents Benchmark ADC1 Channel 24-bit 192-kHz Audio Analog-to-Digital ConverterSafety Information Federal Communications Commission FCC Notice OnlyContents Overview Page Features Clock Reference Input ConnectionsBalanced Analog Line Inputs To adapt to unbalanced sourcesOptical Output Digital OutputsAES/EBU XLR Output Adat S/MUX4 Optical Output Mode Adat Optical Output ModeAdat S/MUX2 Optical Output Mode SPDIF/AES BNC Main and Aux OutputsFuse Holder AC Power Entry ConnectorWord Clock Reference Output Operation Mode Switch and DisplayTo program the conversion mode Programming the OutputsTo synchronize with an external clock source Selecting a Fixed Frequency Using the Internal Clock SourceReading Sample Rates off of the Mode Display To select a fixed sample frequency on the Main OutputsAdat or AES/EBU on the Optical Output Resetting the ADC1 to Factory Default SettingsProgramming the Aux Output Meter DisplaySecond Stage Gain Controls Adjusting Input GainFirst Stage Gain Rack Mounting Sample Rate is the Key that Controls S/MUX Using Adat S/MUXProper S/MUX Identification is a Must MUX should not be used for Sample Rate ConversionUltraLock … What is It? Problem #1 Put UltraLock converters to the testWhat UltraLock converters cannot do Performance Frequency ResponseInter-Channel Phase Response KHz LPF unweighted THD+N vs. Level, 1 KHz32K B-H FFT, Idle Channel Noise 32K B-H FFT, -3 dBFS, 1 KHz 32K B-H FFT, -3 dBFS, 10 KHz Worldclock Reference Output SpecificationsAnalog Audio Inputs Digital Audio Outputs Audio Performance Group Delay Latency LED Status IndicatorsWeight AC Power RequirementsDimensions Page Warranty Information Benchmark 1 Year WarrantyBenchmark Extended 5* Year Warranty Benchmark Extended WarrantyBenchmark Media Systems, Inc
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