Instruction/ maintenance manual of the product SCM268E Shure
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Model SCM268E User Guide ©2008 Shure Incorporated 27AS8880 (Rev . 2) Printed in U.S.A. SCM268E Four-channel Microphone Mixer 四频道麦克风混音器 4 채널 마이크 믹서 1 2 3 4 AUX IN OUTPU.
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3 TABLE OF CONTENTS ENGLISH . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 ENGLISH ! IMPORT ANT SAFETY INSTRUCTIONS ! 1. READ these in structions. 2. KEEP the se instruct ions. 3. HEED all warnin gs. 4. FOLLOW al l instruct ions. 5. DO NOT us e this appara tus near wate r . 6. CLEAN ONL Y with dry clot h. 7. DO NOT bl ock any venti lation openin gs.
5 ENGLISH SHURE SCM268 DESCRIPTION The Shure Model S CM268 is a transf ormer-balanced, fou r-channel mi- crophone mixer. Its simp le, compact design de livers superior perfor- mance and exceptio nal sound quality with l ow noise and a flat fr equency response.
6 ENGLISH GAIN CONTROL INPUT GA IN The gain control kno b s 1-4, located on the front panel, adjust t h e gain for both microphone and auxiliar y-level inpu ts of channe ls 1-4 (see Figure 1).
7 ENGLISH CONNECTIONS The following diagram illust rates a few of the many types of connections possible with the SCM 268. Note that no thing is connected to the channel 4 microphone in put (MIC LEVEL I NPUT 4).
8 ENGLISH INSTALLATION SUPPLIED HARDWARE • 4 rubber feet. For stand-alone installation. • 1 rackmount bracket, long. For half-rack (single unit) instal- lations. • 1 rackmount bracket, short. For half-rack (single) or du- al-mount installations.
9 ENGLISH INTERNAL MODIFICATIONS DISASSEMBLY To access the printed circuit board (pc board) for in ternal modifications, use the following step s: 1. Unplug the power cord. 2. Remove the knobs and retainer nuts from the front panel (See Figure 2). KNOB ASSEMBLY FIGURE 2 3.
10 ENGLISH SPECIFICATIONS Measurement Conditions (unless otherwise specified): Line voltage 120 Vac, 60 Hz (SCM268) or 230 Vac, 50 Hz (SCM268E); f ull gain; 1 kHz, one channel activated; source impedances: Mic 150 Ω , Aux Level 150 Ω ; terminations: Line 600 Ω , Mic 600 Ω, Aux Out 10 k Ω.
SHURE Incorporated http://www.shure.com 美国、加拿大、拉丁美 洲、加勒比海地区： 5800 W. Touhy Avenue, Niles, IL 60714-4608, U.S.A. 电话： 847-600-2000 美国 传真： 847-600-12.
An important point after buying a device Shure SCM268E (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Shure SCM268E 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 Shure SCM268E - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Shure SCM268E you will learn all the available features of the product, as well as information on its operation. The information that you get Shure SCM268E will certainly help you make a decision on the purchase.
If you already are a holder of Shure SCM268E, 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 Shure SCM268E.
However, one of the most important roles played by the user manual is to help in solving problems with Shure SCM268E. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Shure SCM268E 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
