Instruction/ maintenance manual of the product SC28 QSC Audio
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SC281675 MacArthur Blvd., Cost a Mesa, CA, 92626 USA Main Number (714) 75 4-6175 or toll free (USA only) (800) 854-407 9 Customer Service(714) 957-71 50 or toll free (USA only) (800) 772-2834 Loudspeaker Signal Processing Products User Manual SC28 T wo-Input, Eight-Output Sy stem Controller for QSC Loudspeakers *TD-000238-00* TD-000238-00 rev.
2 IMPORTANT SAFETY PRECAUTIONS & EXPLANATION OF SYMBOLS The lightning flash with arrowhead symbol wit hin an equilateral tri angle is intended to al ert the user to the presence of uninsula ted “dangerous” voltage within the product’ s enclosure that may be of sufficient magnitude to constit ute a risk of electri c shock to humans.
3 Introduction Congratulations and thank you for your purc hase of this professional, loudspeaker signal processing product. T o get the most fr om your investment, we recommend you review all the information provided in this Use r Manual.
4 Unpacking There are no special unpacking precautions. However , it is recommended you keep the original packing material for reuse in the rare event that service be required.
5 Audio Inputs On the rear panel, there are two female XLR line-level inputs marked INPUTS below the connectors and designated A and B above the connectors . Connect the line-level analog audio inputs to these connectors. Input sensitivity can be selected from the Setup Menu ; selections are 1.
6 Use General Information Use of the SC28 involves adherence to the following to achieve proper operation: 1- Input sensitivity for the SC28 must be set to correspond with expected audio source levels .
7 LED Indicators LED metering of both input and output are provided. Input metering is indicated as relative to 0 dBfs (digital clipping of the input signal) and output metering is indi- cated in actual output voltage levels in dBu. Meters are peak-reading and updated every 50 milliseconds.
8 LCD Navigation Map- Setup PL 3 : 32 dB gain PL 3 : 32 dB gain PL 3 : 32 dB gain WL/GP-218 sw WL/GP-212 sw WL-1 15 sw WL 10 3way REV WL 10 3way WL 10 2way WL 8 3way < LF > WL 8 3way > LF <.
9 LCD Navigation Map- Equalization.
10 LCD Navigation Map- Gain.
11 LCD Navigation Map- Utility.
12 Signal Flow.
13 Dimensions.
14 Preliminary Specification Dynamic Range (AES-17, -60 d B Method, all sensitiviti es) unweighted >104 dB A weighted >107 dB Distortion (AES-17, 20 Hz- 20 kHz, all sensitivities) +4 dBu <0.
15 Preliminary Specification USB Port USB type “B” USB Cable 1.5 meters long, USB 1.1 compliant AC Power Requirements 100-240 V AC, 50-60 Hz, no user adjustment required AC Power Connection IEC-type inlet AC Power Cord 2 meters long, #18A WG Specifications are subj ect to change w ithout notice.
W arranty (USA only; other countries, see your dealer or dist ributor) Disclaimer QSC Audio Products, LLC is not liable for any damage to amplifiers or any other equipment that is caused by negligence or improper installation and/or use of this loudspeaker product.
An important point after buying a device QSC Audio SC28 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought QSC Audio SC28 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data QSC Audio SC28 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, QSC Audio SC28 you will learn all the available features of the product, as well as information on its operation. The information that you get QSC Audio SC28 will certainly help you make a decision on the purchase.
If you already are a holder of QSC Audio SC28, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime QSC Audio SC28.
However, one of the most important roles played by the user manual is to help in solving problems with QSC Audio SC28. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device QSC Audio SC28 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
