DDP2230资料

AN-DISPATCH-010 Rev B11 FEB 2011MotorolaXTL-5000 Radios to 223 Series Adapter PanelsTable of Contents1.0 General (3)2.0 Interconnect Cable Assembly (3)3.0 223 Series Panels (4)3.1 TRA-223 Setup (4)3.1.1 TRA-223 Dip Switch Settings (4)3.2 DSP-223 Setup (5)3.2.1 DSP-223 Jumper Settings (5)3.3 IP-223 Setup (5)3.3.1 IP-223 Jumper Settings (5)2AN-DISPATCH-010AN-DISPATCH-010 31.0GeneralThis application note is intended to assist technical staff with cable assembly and hardware setup of different Telex 223 series adapters (TRA-223, DSP-223 and IP-223) to a Motorola**1 XTL-5000 series mobile radio.2.0Interconnect Cable AssemblyA cable assembly is required to connect to the 26-pin accessory connector of the XTL to the various 223 series adaptor e Table 1 to build the specified cable assembly.1.See “Copyright Notice” on page 7.TABLE 1. Cable Assembly PinoutsTRA-223DB-25 Pin DSP-223DB-25 Pin IP-223DB-25 Pin XTL 26-PinSignal25252523MIC +24242421RX +14141416PTT 77714 & 15GNDMotorolaXTL-5000 Radios to 223 Series Adapter PanelsMotorola XTL-5000 Radios to 223 Series Adapter Panels4 AN-DISPATCH-0103.0223 Series Panels3.1TRA-223 Setup 3.1.1TRA-223 Dip Switch SettingsTo set front panel dip switches , do the following:1. Set to on :•position 4•position 6•position 72. Select 2- or 4-wire operation using:•position 1•position 2•position 3REFERENCE:For more information, see the TRA-223 Technical ManualP/N 803570, Line Connection section. This document is available for download at /.FIGURE 1.XLT Cable Assembly DiagramMotorola XTL-5000 Radios to 223 Series Adapter PanelsAN-DISPATCH-010 53.2DSP-223 SetupNo DSP-223 software programming is required. 3.2.1DSP-223 Jumper SettingsTo set the DSP223 Jumpers, do the following:1. Set to the A position :•J14, J15, J22, J23, J24, J25, J27.2. Set to the B position:•J12 and J13 3. Solder close JP2.To set the operating mode , do the following > Select 2- or 4- wire operation:•J19, J20 and J21.REFERENCE:For more information, see the DSP-223 Technical Manual (P/N 803274), DSP to Console Line Connection section. Thisdocument is available for download at /.3.3IP-223 SetupSetup the desired IP-223 line’s jumpers for Local radio control.3.3.1IP-223 Jumper SettingsTABLE 2. Jumper SettingsLine 1Jumper SettingsLine 2J33, J34 B = 4-WireJ5, J6J16, J21 A = Singled EndedJ19, J20J14Hanging on center pin = 10K Ohm J24J3, J9, J11 A = Single Ended J25, J28, J29J13 B = HighJ27J17, J22 B = 600 OhmsJ10, J15R377Solder bridge the pads together R381Motorola XTL-5000 Radios to 223 Series Adapter Panels 6 AN-DISPATCH-010P ROPRIETARY N OTICEThe product information and design disclosed herein were originated by and are the property of Bosch Security Systems, Inc. Bosch reserves all patent, proprietary design, manufacturing, reproduction, use and sales rights thereto, and to any article disclosed therein, except to the extent rights are expressly granted to others.C OPYRIGHT N OTICECopyright 2011 by Bosch Security Systems, Inc. All rights reserved. Reproduction, in whole or in part, without prior written permission from Bosch is prohibited.*All other trademarks are property of their respective owners.**MOTOROLA and the Stylized M logo are registered in the U.S. Patent and Trademark Office.W ARRANTY AND S ERVICE I NFORMATIONFor warranty and service information, refer to / warranty.F ACTORY S ERVICE C ENTERFactory Service CenterBosch Security Systems, Inc.Radio Dispatch Products8601 East Cornhusker HighwayLincoln, Nebraska, 68507C ONTACT I NFORMATIONSales:Phone...............................................(800) 752-7560Fax ..................................................(402) 467-3279E-mail.......................**********************.com Customer Service:Repair...............................................(800) 553-5992 Technical Support:Phone ..............................................(800) 898-6723********************************************.comWeb C LAIMSNo liability will be accepted for damages directly or indirectly arising from the use of our materials or from any other causes. Our liability shall be expressly limited to replacement or repair of defective materials.AN-DISPATCH-010 7Revision HistoryDocument Title: Motorola XTL-5000 Radios to 223 Series Adapter PanelsDocument Number: AN-DISPATCH-010Revision Change Description DateA Update brand, format and new document number. (Reference rev B)01-OCT-2009B Update Telex website url. Table 2 correction to row 7 column 1.11-FEB-2011。

3x32 Fig. 1-11Objective Lens2Eyepiece Lens3Elevation Adjustment Turret 4Windage Adjustment Turret 5Eyepiece Adjustment6Power Index Dot*7Power Scale*8Power Selector Ring*3-9x40Fig. 1-2(4) Zero setting of the Elevation and Windage Adjustment TurretsThe elevation/windage adjustment turrets have a pop-up adjusting system. After the reticle has been adjusted to the point of impact, pull out the adjusting turret. The adjusting turret can now be turned freely. Align the zero number to the index line to set the zero setting, and then release the turret. The turret automatically retracts to the original position.Note:T he windage and elevation scales of the P-223 rifl escope 3x32 and 3-9x40 are calibrated in divisions of 1/4 minute of angle with a click at intervals of 1/4 minute of angle. When adjusting the reticle to the point of aim, remember that one minute of angle equals approximately one inch (2.54 cm) at 100 yards (91.44 m).Therefore, if the impact point is two inches (5.08 cm) low and one inch (2.54 cm) right at 100 yards (91.44 m) parallax setting, you should adjust two minutes of angle up one minute of angle left. In case of 50 yards (45.72 m) parallax setting the adjusting value is double. In case of 75 yards (68.58 m) parallax setting is 1.5 times.(2) Magnifi cationT he P-223 rifl escope 3x32 has a fi xed magnifi cation of 3x.T he P-223 rifl escope 3-9x40 has a variable magnifi cation from 3 to 9x.To change powers, just rotate the power selector ring until the desired magnifi cation appears adjacent to the power index dot.(3) Adjustment of the rifl escopeSighting through the rifl escope, align the rifl e with your aiming point on the target and shoot a trial round. If the bullet does not hit the aiming point, adjust the elevation and windage adjustment turrets as follows: I f the bullet hits under the aiming point, turn the elevation adjustment turret (counter-clockwise) in the direction of the arrow marked “U” for up. If the bullet hits high, turn the turret (clockwise) in the direction of the arrow marked “D” for down.I f the bullet hits to the right of the aiming point, turn the windage adjustment turret (clockwise) in the direction of the arrow marked “L” for left. If the bullet hits to the left of the aiming point, turn the turret (counter-clockwise) in the direction of the arrow marked “R” for right.(4) Eyepiece AdjustmentThis adjustment is permanently lubricated. Do not attempt to lubricate it.(5) Power Selector RingNo lubrication is required for the power selector ring. Do not pull up or remove the rubber covering on the zoom ring.Waterproof models:The rifl escope is waterproof, and will suff er no damage to the optical system if submerged or dropped in water to a maximum depth of 1 meters for up to 10 minutes.The rifl escope off ers the following advantages:C an be used in conditions of high humidity, dust and rain without risk of damage. N itrogen-fi lled design makes it resistant to condensation and mold.Observe the following precautions when using the rifl escope: T he rifl escope should not be operated nor held in running water. A ny moisture should be wiped off before adjusting movable parts (adjustment turret, eyepiece, etc.) of the rifl escope to prevent damage and for safety reasons.To keep your rifl escope in optimal condition, Nikon Vision recommends regular servicing by an authorized dealer.Maintenance(1) Lens cleaningTo remove dirt or fi ngerprints, soak gauze or lens cleaning paper (silicone free paper sold at camera retailers) with a small quantity of absolute alcohol (available from drugstores) and lightly wipe off the aff ected areas. Wiping with handkerchief or leather may damage the lens surface and is not recommended.Dust may scratch the lens surface or corrode the lens.Brush dust off using a soft oil-free brush.(2) Scope ExteriorUse a soft dry cloth to wipe off any dirt or fi ngerprints that might accumulate.It is not necessary to oil the scope’s surface.(3) Windage/Elevation Adjustment TurretsThese adjustment turrets are permanently lubricated. Do not attempt to lubricate them.。

PRO Series LCD Monitor PRO MP223 (3PB9)User GuideContentsGetting Started (3)Package Contents (3)Installing the Monitor Stand (4)Adjusting the Monitor (5)Monitor Overview (6)Connecting the Monitor to PC (8)OSD Setup (9)OSD Keys (9)OSD Menus (11)Professional (11)Image (13)Input Source (14)Navi Key (15)Setting (15)Specifications (17)Preset Display Modes (19)Troubleshooting (20)Safety Instructions (21)TÜV Rheinland Certification (23)Regulatory Notices (24)RevisionV1.0, 2023/032ContentsGetting StartedThis chapter provides you with the information on hardware setup procedures. While connecting devices, be careful in holding the devices and use a grounded wrist strap to avoid static electricity.∙Contact your place of purchase or local distributor if any of the items is damaged or missing.∙Package contents may vary by country.∙The included power cord is exclusively for this monitor and should not be used with other products.3Getting StartedInstalling the Monitor Stand1. Leave the monitor in its protective foam packaging. Align and gently push the stand bracket towards the monitor groove until it locks in place.2. Align and gently push the cable organizer towards the stand until it locks in place.3. Align and gently push the base towards the stand until it locks in place.4. Make sure the stand assembly is properly installed before setting the monitor Array∙Place the monitor on a soft, protected surface to avoid scratching the display panel.∙Do not use any sharp objects on the panel.∙This product comes with NO protective film to be removed by the user! Anymechanical damages to the product including removal of the polarizing film mayAdjusting the MonitorThis monitor is designed to maximize your viewing comfort with its adjustment capabilities.⚠ImportantAvoid touching the display panel when adjusting the monitor.5Getting StartedMonitor Overview6Getting Started7 Getting StartedConnecting the Monitor to PC1. Turn off your computer.2. Connect the video cable from the monitor to your computer.3. Assemble the external power supply & power cord. (Figure A)4. Connect the external power supply to the monitor power jack. (Figure B)5. Plug the power cord into the electrical outlet. (Figure C)6. Turn on the monitor. (Figure D)7. Power on the computer and the monitor will auto detect the signal source.8Getting StartedOSD Setup⚠ImportantThis chapter provides you with essential information on OSD Setup.All information is subject to change without prior notice.OSD KeysThe monitor comes with a set of OSD Keys that help to control the On-Screen Display (OSD) menu.9OSD Setup10OSD Setup11OSD MenusPress the M key to launch the On-Screen Display (OSD) main menu and use the OSD keys to tune the desired function to suit your personal preferences.12OSD Menus13 OSD Menus14OSD Menus15 OSD Menus16OSD Menus12V12V17Specifications18Specifications* Based on CIE1976 test standards.Preset Display ModesImportant19Preset Display ModesTroubleshootingThe power LED is off.• Press the monitor power button again.• Check if the monitor power cable is properly connected.No image.• Check if the computer graphics card is properly installed.• Check if the computer and monitor are connected to electrical outlets and areturned on.• Check if the monitor signal cable is properly connected.• The computer may be in Standby mode. Press any key to activate the monitor. The screen image is not properly sized or centered.• Refer to Preset Display Modes to set the computer to a setting suitable for themonitor to display.No Plug & Play.• Check if the monitor power cable is properly connected.• Check if the monitor signal cable is properly connected.• Check if the computer and graphics card are Plug & Play compatible. The icons, font or screen are fuzzy, blurry or have color problems.• Avoid using any video extension cables.• Adjust brightness and contrast.• Adjust RGB color or tune color temperature.• Check if the monitor signal cable is properly connected.• Check for bent pins on the signal cable connector.The monitor starts flickering or shows waves.• Change the refresh rate to match the capabilities of your monitor.• Update your graphics card drivers.• Keep the monitor away from electrical devices that may cause electromagneticinterference (EMI).20TroubleshootingSafety Instructions∙Read the safety instructions carefully and thoroughly.∙All cautions and warnings on the device or User Guide should be noted.∙Refer servicing to qualified personnel only.Power∙Make sure that the power voltage is within its safety range and has been adjusted properly to the value of 100~240V before connecting the device to the power outlet. ∙If the power cord comes with a 3-pin plug, do not disable the protective earth pin from the plug. The device must be connected to an earthed mains socket-outlet.∙Please confirm the power distribution system in the installation site shall provide the circuit breaker rated 120/240V, 20A (maximum).∙Always disconnect the power cord or switch the wall socket off if the device would be left unused for a certain time to achieve zero energy consumption.∙Place the power cord in a way that people are unlikely to step on it. Do not place anything on the power cord.∙If this device comes with an adapter, use only the MSI provided AC adapter approved for use with this device.BatteryPlease take special precautions if this device comes with a battery.∙Danger of explosion if battery is incorrectly replaced. Replace only with the same or equivalent type recommended by the manufacturer.∙Avoid disposal of a battery into fire or a hot oven, or mechanically crushing or cutting of a battery, which can result in an explosion.∙Avoid leaving a battery in an extremely high temperature or extremely low air pressure environment that can result in an explosion or the leakage of flammable liquid or gas.∙Do not ingest battery. If the coin/button cell battery is swallowed, it can cause severe internal burns and can lead to death. Keep new and used batteries away from children.European Union:Batteries, battery packs, and accumulators should not be disposed of asunsorted household waste. Please use the public collection system toreturn, recycle, or treat them in compliance with the local regulations. BSMI:廢電池請回收For better environmental protection, waste batteries should be collectedseparately for recycling or special disposal.21Safety InstructionsCalifornia, USA:The button cell battery may contain perchlorate material and requiresspecial handling when recycled or disposed of in California.For further information please visit: https:///perchlorate/ Environment∙To reduce the possibility of heat-related injuries or of overheating the device, do not place the device on a soft, unsteady surface or obstruct its air ventilators.∙Use this device only on a hard, flat and steady surface.∙To prevent the device from tipping over, secure the device to a desk, wall or fixedobject with an anti-tip fastener that helps to properly support the device and keep it safe in place.∙To prevent fire or shock hazard, keep this device away from humidity and hightemperature.∙Do not leave the device in an unconditioned environment with a storage temperature above 60℃ or below -20℃, which may damage the device.∙The maximum operating temperature is around 40℃.∙When cleaning the device, be sure to remove the power plug. Use a piece of softcloth rather than industrial chemical to clean the device. Never pour any liquid into the opening; that could damage the device or cause electric shock.∙Always keep strong magnetic or electrical objects away from the device.∙If any of the following situations arises, get the device checked by service personnel:• The power cord or plug is damaged.• Liquid has penetrated into the device.• The device has been exposed to moisture.• The device does not work well or you can not get it working according to the UserGuide.• The device has dropped and damaged.• The device has obvious sign of breakage.22Safety InstructionsTÜV Rheinland CertificationTÜV Rheinland Low Blue Light CertificationBlue light has been shown to cause eye fatigueand discomfort. MSI now offers monitors with TÜVRheinland Low Blue Light certification to ensureusers’ eye comfort and well-being. Please followthe instructions below to reduce the symptoms fromextended exposure to the screen and blue light.∙Place the screen 20 – 28 inches (50 – 70 cm) away from your eyes and a little below eye level.∙Consciously blinking the eyes every now and then will help to reduce eye strain after extended screen time.∙Take breaks for 20 minutes every 2 hours.∙Look away from the screen and gaze at a distant object for at least 20 seconds during breaks.∙Make stretches to relieve body fatigue or pain during breaks.∙Turn on the optional Low Blue Light function.TÜV Rheinland Flicker Free Certification∙TÜV Rheinland has tested this product toascertain whether the display produces visibleand invisible flicker for the human eye andtherefore strains the eyes of users.∙TÜV Rheinland has defined a catalogue oftests, which sets out minimum standardsat various frequency ranges. The test catalogue is based on internationally applicable standards or standards common within the industry and exceeds these requirements.∙The product has been tested in the laboratory according to these criteria.∙The keyword “Flicker Free” confirms that the device has no visible and invisible flicker defined in this standard within the range of 0 - 3000 Hz under various brightness settings.∙The display will not support Flicker Free when Anti Motion Blur/MPRT is enabled. (The availability of Anti Motion Blur/MPRT varies by products.)23TÜV Rheinland CertificationRegulatory NoticesCE ConformityThis device complies with the requirements set out in the Council Directive on the Approximation of the Laws of the Member States relating to Electromagnetic Compatibility (2014/30/EU), Low-voltage Directive (2014/35/EU), ErP Directive (2009/125/EC) and RoHS directive (2011/65/EU). This product has been tested and found to comply with the harmonized standards for Information Technology Equipment published under Directives of Official Journal of the European Union.FCC-B Radio Frequency Interference StatementThis equipment has been tested and found to comply with the limitsfor 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, ifnot installed and used in accordance with the instruction manual, 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 measures listed below:∙Reorient or relocate the receiving antenna.∙Increase the separation between the equipment and receiver.∙Connect the equipment into an outlet on a circuit different from that to which thereceiver is connected.∙Consult the dealer or an experienced radio/television technician for help. Notice 1The changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate the equipment. Notice 2Shielded interface cables and AC power cord, if any, must be used in order to comply with the emission limits.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, and2. This device must accept any interference received, including interference that maycause undesired operation.MSI Computer Corp.901 Canada Court, City of Industry, CA 91748, USA(626) 913-082824Regulatory NoticesWEEE StatementUnder the European Union (“EU”) Directive on Waste Electrical and Electronic Equipment, Directive 2012/19/EU, products of “electrical and electronic equipment” cannot be discarded as municipal waste anymoreand manufacturers of covered electronic equipment will be obligated totake back such products at the end of their useful life. Chemical Substances InformationIn compliance with chemical substances regulations, such as the EU REACH Regulation (Regulation EC No. 1907/2006 of the European Parliament and the Council), MSI provides the information of chemical substances in products at: https:///global/indexRoHS StatementJapan JIS C 0950 Material DeclarationA Japanese regulatory requirement, defined by specification JIS C 0950, mandates that manufacturers provide material declarations for certain categories of electronic products offered for sale after July 1, 2006.https:///global/Japan-JIS-C-0950-Material-DeclarationsIndia RoHSThis product complies with the “India E-waste (Management and Handling) Rule 2016” and prohibits use of lead, mercury, hexavalent chromium, polybrominated biphenylsor polybrominated diphenyl ethers in concentrations exceeding 0.1 weight % and 0.01 weight % for cadmium, except for the exemptions set in Schedule 2 of the Rule. Turkey EEE RegulationConforms to the EEE Regulations of the Republic Of TurkeyUkraine Restriction of Hazardous SubstancesThe equipment complies with requirements of the Technical Regulation, approved by the Resolution of Cabinet of Ministry of Ukraine as of 10 March 2017, № 139, in terms of restrictions for the use of certain dangerous substances in electrical and electronic equipment.Vietnam RoHSAs from December 1, 2012, all products manufactured by MSI comply with Circular 30/2011/TT-BCT temporarily regulating the permitted limits for a number of hazardous substances in electronic and electric products.25Regulatory Notices26Regulatory Notices Green Product Features∙Reduced energy consumption during use and stand-by ∙Limited use of substances harmful to the environment and health∙Easily dismantled and recycled ∙Reduced use of natural resources by encouraging recycling ∙Extended product lifetime through easy upgrades ∙Reduced solid waste production through take-back policy Environmental Policy ∙The product has been designed to enable proper reuse of parts and recycling and should not be thrown away at its end of life. ∙Users should contact the local authorized point of collection for recycling and disposing of their end-of-life products. ∙Visit the MSI website and locate a nearby distributor for further recycling information. ∙*******************************************************************disposal, take-back, recycling, and disassembly of MSI products.Warning!Overuse of screens is likely to affect eyesight.Recommendations: 1. Take a 10-minute break for every 30 minutes of screen time. 2. Children under 2 years of age should have no screen time. For children aged 2 years and over, screen time should be limited to less than one hour per day.Copyright and Trademarks Notice Copyright © Micro-Star Int’l Co., Ltd. All rights reserved. The MSI logo used is a registered trademark of Micro-Star Int’l Co., Ltd. All other marks and names mentioned may be trademarks of their respective owners. No warranty as to accuracy or completeness is expressed or implied. MSI reserves the right to make changes to this document without prior notice.Technical Support If a problem arises with your product and no solution can be obtained from the user’s manual, please contact your place of purchase or local distributor. Alternatively,please visit https:///support/ for further guidance.。

DDP协议数据报协议DDP（Data Datagram Protocol）协议是一种网络传输协议，用于在数据网络上进行数据报的传输和交换。

它是一种面向无连接的协议，即数据包在传输过程中不需要建立可靠的连接。

本文将对DDP协议进行详细介绍，并探讨其在网络通信中的应用。

一、DDP协议简介DDP协议是一种简单、轻量级的协议，其主要作用是将数据包从源主机发送到目标主机。

DDP协议不提供可靠性和流控制功能，主要用于在网络上进行数据报的传输。

DDP协议适用于可靠性要求不高、延迟要求较低的应用场景。

二、DDP协议的特点1. 面向无连接：DDP协议在传输数据时不需要建立可靠的连接，不需要维护连接状态，因此传输效率较高。

2. 数据报传输：DDP协议以数据报的形式进行传输，每个数据包都是独立的，可以独立地传输和处理。

3. 简单轻巧：DDP协议的实现相对简单，协议头部信息较少，使得协议的开销较小。

4. 不提供可靠性保证：由于DDP协议不提供可靠性保证，传输过程中数据包有可能丢失或重复，适用于对可靠性要求不高的应用场景。

三、DDP协议的应用DDP协议广泛应用于各种网络通信中。

下面介绍几个典型的应用场景：1. 互联网音频/视频传输在互联网音频/视频传输中，对于实时性要求较高的应用场景，可以使用DDP协议进行数据传输。

由于DDP协议的特点是面向无连接、延迟较低，适用于实时传输需求。

2. 游戏数据传输在网络游戏中，玩家之间需要进行实时的数据交互，包括位置信息、动作信息等。

DDP协议可以提供较低的延迟，保证游戏数据的快速传输，提升游戏体验。

3. 物联网设备通信物联网设备通信中，大部分数据传输是短小且实时性要求较高的。

DDP协议可以保证数据的及时传输，减少通信延迟，提高设备之间的通信效率。

4. 分布式系统数据同步在分布式系统中，各个节点之间需要进行数据的同步和交换。

DDP协议具有轻量级的特点，适合用于分布式系统中节点之间的数据通信，可以提高系统的整体性能。

丽讯VK835基本参数1、德州仪器DLP技术DDP2230解码芯片2、亮度：ISO/IEC 2118标准≥3500流明；3、分辨率：≥1024*7684、对比度（ISO/IEC21118标准）≥2500；15、欧司朗230W高压水银灯,交流,可更换型6、镜头：镜头参数：F=2.52-2.73,f=21.8-24mm7、镜头：投射比：1.93 - 2.16 : 18、灯泡寿命：3000小时(标准),4000小时(经济)9、待机功耗＜<1W10、重量：2.6KG11、画面比例：4：3（原始）16：9（兼容）1：1（兼容）12、接口：B型USB接口，S视频接口，音频接口，VGA (15-pin D-Sub,支持分量视频)×2，RS-232中控接口。

13、3：2/2:2影像下拉，优化处理：采用先进的3：2/2：2影像处理和奇偶转换技术，实现逐行扫描显示，原始影像被精确还原，画面更流畅生动。

14、双重防盗设计15、3D数码过滤：能非常精确的将Y/C信号分离，确保画面中各个影像清晰，层次分明。

16、USB鼠标功能：通过USB线连接投影机和计算机鼠标接口，遥控器即可实现鼠标上下翻页功能17、用户自检功能：通过自带的菜单检测投影机的按键，遥控器，USB，颜色等设备和功能的运行状态是否正常，做到对设备状况了如指掌。

18、胶片色彩还原技术，带极致色彩19、智能七色调节：可单独对七种颜色的调节。

20、断电自动保护功能：保护投影设备，节省关机的等待时间21、智能散热技术：1．金属机架设计，灯泡周围采用金属材质设计，通过热传导，加速箱体内热量排出；2．智能变频风扇组合散热，根据箱体内的温度自动调节运行速率，既节能省电，又确保足够的空气流通和散热；3．大口径直通风路设计，确保空气高速对流22、专业御尘技术：鉴于用户使用环境恶劣，为用户量身定制了专业的“御尘”技术：1．全密封的光机系统：阻止灰尘、烟雾、潮气对芯片、透镜、色轮的侵蚀；2．全密封箱体：全密封防尘机箱和镜头盖设计，阻止灰尘进入；3．工控机箱设计：风扇增压，使机箱内气压大于外界，阻挡灰尘进入；4．专业的侧向通风设计，有效阻止吊装使用中灰尘的沉积。

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