studer D950_Op_V3-5 电路图.pdf
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1、 Studer D950 Digital Mixing System, SW V 3.3/3.4/3.5 1. Introduction 2. Getting Started 3. Desk Operation 4. Graphic Controller Operation 5. AutoTouch+ Dynamic Automation 6. System Administration 7. Configuration Tool (Option) 8. Dimensions, Basic Specifications 9. Troubleshooting absolute humidity
2、1.25 g/m; rate of temperature change 0.5 C/min. These parameters are dealt with in the following paragraphs. Under these conditions the unit or system starts and works without any prob- lem. Beyond these specifi cations, possible problems are described below. Ambient Temperature Units and systems by
3、 Studer are generally designed for an ambient tempera- ture range (i.e. temperature of the incoming air) of +5 C to +40 C. When rack mounting the units, the intended air fl ow and herewith adequate cooling must be provided. The following facts must be considered: The admissible ambient temperature r
4、ange for operation of the semicon- ductor components is 0 C to +70 C (commercial temperature range for operation). The air fl ow through the installation must provide that the outgoing air is always cooler than 70 C. Average heat increase of the cooling air shall be about 20 K, allowing for an addit
5、ional maximum 10 K increase at the hot components. In order to dissipate 1 kW with this admissible average heat increase, an air fl ow of 2.65 m/min is required. Example: A rack dissipating P = 800 W requires an air fl ow of 0.8 * 2.65 m/min which corresponds to 2.12 m/min. If the cooling function o
6、f the installation must be monitored (e.g. for fan failure or illumination with spot lamps), the outgoing air temperature must be measured directly above the modules at several places within the rack. The trigger temperature of the sensors should be 65 C to 70 C. Frost and Dew The unsealed system pa
7、rts (connector areas and semiconductor pins) allow for a minute formation of ice or frost. However, formation of dew visible to the naked eye will already lead to malfunctions. In practice, reliable opera- tion can be expected in a temperature range above 15 C, if the following general rule is consi
8、dered for putting the cold system into operation: If the air within the system is cooled down, the relative humidity rises. If it reaches 100%, condensation will arise, usually in the boundary layer between the air and a cooler surface, together with formation of ice or dew at sensi- tive areas of t
9、he system (contacts, IC pins, etc.). Once internal condensation occurs, trouble-free operation cannot be guaranteed, independent of tempera- ture. Before putting into operation, the system must be checked for internal for- mation of condensation or ice. Only with a minute formation of ice, direct Ap
10、pendix IX evaporation (sublimation) may be expected; otherwise the system must be heated and dried while switched off. A system without visible internal formation of ice or condensation should be heated up with its own heat dissipation, as homogeneously (and subsequently as slow) as possible; the am
11、bient temperature should then always be lower than the one of the outgoing air. If it is absolutely necessary to operate the cold system immediately within warm ambient air, this air must be dehydrated. In such a case, the absolute humidity must be so low that the relative humidity, related to the c
12、oldest system surface, always remains below 100%. Ensure that the enclosed air is as dry as possible when powering off (i.e. before switching off in winter, aerate the room with cold, dry air, and remove humid objects such as clothes from the room). These relationships are visible from the following
13、 climatogram. For a con- trolled procedure, thermometer and hygrometer as well as a thermometer within the system will be required. Example 1: An OB-van having an internal temperature of 20 C and a relative humidity of 40% is switched off in the evening. If the temperature falls below +5 C, the rela
14、tive humidity will rise to 100% (7 g/m); dew or ice will be forming. Example 2: An OB-van is heated up in the morning with air of 20 C and a relative humidity of 40%. On all parts being cooler than +5 C, dew or ice will be forming. Appendix X Appendix 2: Mains Connector Strain Relief For anchoring c
15、onnectors without a mechanical lock (e.g. IEC mains connec- tors), we recommend the following arrangement: Procedure: The cable clamp shipped with your unit is auto-adhesive. For mounting please follow the rules below: The surface to be adhered to must be clean, dry, and free from grease, oil, or ot
16、her contaminants. Recommended application temperature range is +20 C to +40 C. Remove the plastic protective backing from the rear side of the clamp and apply it fi rmly to the surface at the desired position. Allow as much time as possible for curing. The bond continues to develop for as long as 24
17、 hours. For improved stability, the clamp should be fi xed with a screw. For this purpose, a self-tapping screw and an M4 bolt and nut are included. Place the cable into the clamp as shown in the illustration above and fi rmly press down the internal top cover until the cable is fi xed. Appendix XI
18、Appendix 3: Software License Use of the software is subject to the Studer Professional Audio Software License Agreement set forth below. Using the software indicates your accep- tance of this license agreement. If you do not accept these license terms, you are not authorized to use this software. Un
19、der the condition and within the scope of the following Terms and Con- ditions, Studer Professional Audio GmbH (hereinafter “Studer”) grants the right to use programs developed by Studer as well as those of third parties which have been installed by Studer on or within its products. References to th
20、e license programs shall be references to the newest release of a license program installed at the Customers site. Programs Covered by the Agreement License Programs of Studer The following Terms and Conditions grant the right to use all programs of Studer that are part of the System and/or its opti
21、ons at the time of its delivery to the Customer, as well as the installation software on the original data disk and the accompanying documentation (“License Material”). In this Agree- ment the word “Programs” shall have the meaning of programs and data written in machine code. Using the software ind
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