Acer D4K1731 User Manual Download

Page: 11 / 64

English

Introduction

Product Features

This product is a single-chip DLP

projector. Outstanding features include:

•

DLP

technology

•

Auto/4:3/16:9/Native aspect ratio supported

•

High brightness and contrast ratio

•

Versatile display modes enable optimum performance in any situation

•

HDTV (480i/p, 576i/p, 720p, 1080i/p, 2160p) supported

•

Lower power consumption and economy (ECO) mode extend lamp life

•

Acer EcoProjeciton Technology delivers Intelligent power management

approach and physical efficiency improvement

•

Smart detection delivers quick, intelligent source detection

•

Multi-language onscreen display (OSD) menus

•

Manual focus/zoom projection lens

•

0.8x~2.0x digital zoom

•

Microsoft

Windows

2000, XP, Vista

, Windows 7, Windows 8.1,

Windows 10, Macintosh

OS compliant, ChromeOS Compliant

•

Auto image re-sizing to 4K Addressable Pixels full screen

•

Manual lens vertical shift adjustment

Note: Functions vary depending on model definition.

Summary of Contents for D4K1731

Page 1: ... H6820M V6820M E8620 E8620C ET 4K17 HT 4K17 GM836 HV836 VH 737 TH 737 H6820i V6820i D4K1736 D4K1731 User s Guide Copyright 2018 Acer Incorporated All Rights Reserved Acer Projector User s Guide Original Issue 03 2018 ...

Page 2: ...r All correspondence concerning your unit should include the serial number model number and purchase information No part of this publication may be reproduced stored in a retrieval system or transmitted in any form or by any means electronically mechanically by photocopy recording or otherwise without the prior written permission of Acer Incorporated Model number _________________________________ ...

Page 3: ...e and located as close to the equipment operator as possible When you need to disconnect power to the equipment be sure to unplug the power cord from the electrical outlet Warnings Do not use this product near water Do not place this product on an unstable cart stand or table If the product falls it could be seriously damaged Slots and openings are provided for ventilation to ensure reliable opera...

Page 4: ...put rating This product s AC adapter is equipped with a three wire grounded plug The plug only fits in a grounded power outlet Make sure the power outlet is properly grounded before inserting the AC adapter plug Do not insert the plug into a non grounded power outlet Contact your electrician for details Warning The grounding pin is a safety feature Using a power outlet that is not properly grounde...

Page 5: ...e the product in following environments Space that is poorly ventilated or confined At least 50cm clearance from walls and free flow of air around the projector is necessary Locations where temperatures may become excessively high such as inside of a car with all windows rolled up Locations where excessive humidity dust or cigarette smoke may contaminate optical components shortening the life span...

Page 6: ...o change the lamp when is showing warning message When changing the lamp please allow unit to cool down and follow all changing instructions Reset the Lamp Hour Reset function from the Onscreen display Settings menu after replacing the lamp module Do not attempt to disassemble this projector There are dangerous high voltages inside which may hurt you The only user serviceable part is the lamp whic...

Page 7: ...ction of the global environment please recycle For more information on the Waste from Electrical and Electronics Equipment WEEE regulations visit http www acer group com public Sustainability sustainability01 htm Mercury advisory For projectors or electronic products containing an LCD CRT monitor or display Lamp s inside this product contain mercury and must be recycled or disposed of according to...

Page 8: ...ght light may hurt your eyes To reduce the risk of fire or electric shock do not expose this product to rain or moisture Please do not open or disassemble the product as this may cause electric shock When changing the lamp please allow unit to cool down and follow all changing instructions This product will detect the life of the lamp itself Please be sure to change the lamp when it shows warning ...

Page 9: ...11 Turning on the Projector 11 Turning the projector off 12 Adjusting the Projected Image 13 Adjusting the Height of Projected Image 13 How to optimize image size and distance 14 How to get a preferred image size by adjusting distance and zoom 15 How to get a preferred image position by adjusting lens shift 16 User Controls 18 Onscreen Display OSD Menus 18 Startup menu for First time 19 Projector ...

Page 10: ...ork settings 30 Configuring the Projector Control 32 Configuring the Wireless 33 Appendices 34 Troubleshooting 34 LED Alarm Definition Listing 38 Replacing the Lamp 39 Ceiling Mount Installation 40 Specifications 43 Compatibility modes 45 Regulations and safety notices 50 ...

Page 11: ...nomy ECO mode extend lamp life Acer EcoProjeciton Technology delivers Intelligent power management approach and physical efficiency improvement Smart detection delivers quick intelligent source detection Multi language onscreen display OSD menus Manual focus zoom projection lens 0 8x 2 0x digital zoom Microsoft Windows 2000 XP Vista Windows 7 Windows 8 1 Windows 10 Macintosh OS compliant ChromeOS ...

Page 12: ...ely if any thing is missing Projector Power cord HDMI cable User s guide option Quick start guide Carrying case option Remote control AAA battery x2 option WirelessCAST option WirelessHD Kit option WirelessProjection Kit User s guide for multi media and wireless functions Quick start guide for multi media and wireless functions DC 5V IN MH L HD MI ...

Page 13: ...3 English Note When projecting a 4K2K 60Hz signal use an HDMI Premium certified 4K2K 60Hz cable supporting 18Gbps bandwidth Trust the cable with the label ...

Page 14: ...Front upper side Description Description 1 Lamp cover 7 Zoom ring 2 Control panel 8 Focus ring 3 Power button 9 Lens cap 4 Remote control receiver 10 Air outlet 5 Lens shift control ring 11 Tilt adjusting wheels 6 Air inlet 2 1 4 7 11 10 3 6 5 8 4 9 ...

Page 15: ... Audio in connector 3 LAN RJ45 Port for 10 100M Ethernet 10 Audio out connector 4 RS232 connector 11 5V DC output connector 5 USB connector for wifi dongle control 12 USB connector for wifi dongle 6 HDMI connector 13 Service connector for firmware upgrade 7 PC analog signal HDTV component video input connector 14 S PDIF connector 4 4 3 6 7 8 9 11 13 10 14 5 12 1 2 ...

Page 16: ...P TEMP Temp Indicator LED 5 POWER See the contents in Turning the Projector On Off section 6 Four directional select keys Use to select items or make adjustments to your selection 7 BACK BACK Returns to the previous operation 8 Home Return to the Home screen 9 ENTER ENTER Confirm your selection of items 10 MENU MENU Press MENU to launch the Onscreen display OSD menu or exit the OSD menu 10 9 3 2 4...

Page 17: ...ach level suits different type of content including dark and bright scene Note If the HDR option is adjusted under the SDR Standard Dynamic Range signal the screen is an abnormal color 4 MODE Chooses a display mode 5 Select Enter Confirm your selection of items 6 Volume Down Decreases the volume only for Multi Media mode 7 Four directional select keys Use up down left right buttons to select items...

Page 18: ...l Type Display Mode Software Version and QR Code on the screen 16 AcuMotion Activate AcuMotion to provide a smoother image when viewing video content 17 Brightness Adjust the brightness of the image 18 MUTE To turn on off the volume 19 Aspect Ratio To choose the desired aspect ratio 20 MENU Press MENU to launch the Onscreen display OSD menu or exit the OSD menu 21 HDMI MHL To change source to HDMI...

Page 19: ... Getting Started Connecting the Projector 11 13 R L HDTV adapter RCA 4 6 2 10 10 3 3 3 9 5 5 8 7 12 2 2 1 15 14 10 16 USB flash drive Video Output Display Screen Speakers Audio Output 3D IR emitter Smart devices ...

Page 20: ...ote 4 USB DC 5V out connector support 5V power output for HDMI dongle charging Note 5 DC 12V out connector support 12V 100mA power for screen control only Description Description 1 Power cord 9 WirelessHD dongle 2 Audio cable 10 Wireless dongle 3 HDMI MHL cable 11 Wireless remote control 4 VGA to component HDTV adapter 12 LAN cable 5 VGA cable 13 12V DC cable 6 3 RCA component cable 14 3D SYNC cab...

Page 21: ...tebook video player etc The projector will detect your source automatically If the screen displays Lock and Source icons it means the projector is locked onto a specific source type and there is no such type of input signal detected If the screen displays No Signal please make sure the signal cables are securely connected or press source direct key If you connect to multiple sources at the same ti...

Page 22: ...n message indicates that the projector has overheated The lamp with automatically turn off the projector will automatically shut down and the LED temp indicator will turn solid red Contact your local dealer or service center Fan failed Lamp will automatically turn off soon This onscreen message indicates that the fan has failed The lamp will automatically turn off the projector will automatically ...

Page 23: ...cted Image Adjusting the Height of Projected Image The projector is equipped with elevator feet for adjusting the height of image To raise lower the image Use Tilt adjusting wheel to fine tune the display angle Tilt adjusting wheel ...

Page 24: ...p Min zoom Max zoom Diagonal inch B W cm x H cm From base to top of image cm C Diagonal inch B W cm x H cm From base to top of image cm C 1 28 63 x 35 37 37 83 x 46 49 2 57 126 x 71 74 75 165 x 93 98 2 5 71 157 x 88 93 93 207 x 116 122 3 85 189 x 106 111 112 248 x 139 146 3 5 99 220 x 124 130 131 289 x 163 171 4 114 252 x 142 149 149 331 x 186 195 5 142 314 x 177 186 187 413 x 232 244 6 170 377 x ...

Page 25: ... Diagonal inch A W cm x H cm Max zoom B Min zoom C From base to top of image D 37 5 83 x 47 1 0 1 3 49 40 89 x 50 1 1 1 4 52 50 111 x 62 1 3 1 8 65 60 133 x 75 1 6 2 1 78 70 155 x 87 1 9 2 5 92 80 177 x 100 2 1 2 8 105 90 199 x 112 2 4 3 2 118 100 221 x 125 2 7 3 5 131 120 266 x 149 3 2 4 2 157 150 332 x 187 4 0 5 3 196 200 443 x 249 5 4 7 0 262 250 553 x 311 6 7 8 8 327 300 664 x 374 8 04 10 6 39...

Page 26: ...lens shift for adjusting the position of projected image up and down without requiring you to physically move the projector Note The figures shown in this section are for reference only not approximate value The figures between units can be different due to assembly tolerance 1 2 Vertical Lens Shift ring ...

Page 27: ...ish The vertical height can be adjusted between 0 and 15 of the image height The typical vertical image offset is fixed at 15 of the image height above the center of the projector lens H V V Offset max V x 15 ...

Page 28: ...art the projector From the main Home screen it basically divided into 3 main categories Projector Application and Settings To navigate the Home screen simply use the buttons on the remote control You can return to the main Home screen at any time by pressing the on the remote control regardless of what page you are on Projector Application Settings Source Projector Settings Volume More information...

Page 29: ...ling and Ceiling Press to confirm the selection Network Standby Use the or to select network standby from Off LAN and WiFi under standby mode Press to confirm the selection Complete Set Press Complete to confirm the selection Source Use the or key to select input source Projector Settings Please refer to Projector System OSD section Language Setting Projector Application Settings Source Projector ...

Page 30: ...allows you to browse data files stored in USB flash drive after connecting to projector WiFi Display Please refer to EZCast Screen application Smart Home Scan QR code linking for more information about Smart Home Language Choose the multilingual OSD menu Projector Application Settings Media Player More information for Projector and Smart Home WiFi Display Smart Home Projector Application Settings ...

Page 31: ...C address DHCP Choose On the projector will obtain an IP address automatically from your network Choose Off to assign an IP address manually IP Address Identify IP address Subnet Mask Identify Mask address DNS Identify DNS address Wireless Setting Projector Control Functions select Projector Control Functions to configure how to monitor and control your projector over the network For more informat...

Page 32: ...on the remote control or control panel the screen will return to the main menu To exit Projector System OSD press BACK on the remote control or control panel The Projector System OSD menu will close and the projector will automatically save the new settings Note 1 Some of the following OSD settings may not be available Please refer to the actual OSD of your projector Note 2 Functions vary dependin...

Page 33: ...ased on bright environment by an ISF Certified technician ISF Night Calibrate and optimize the projection image based on dark environment by an ISF Certified technician Note While HDR mode is active other display modes cannot be selected HDR HDR Compatible with the latest HDR format which delivers crisp clear images with sharp changes in brightness and provides realistic images with enhanced detai...

Page 34: ...e brightness of whites that are near 100 video sources only Color Temperature Use this function to choose CT1 CT2 CT3 Color Gamut Select an appropriate color gamut from Standard Movie HDR Rec 709 or Bright Color Space Select an appropriate color matrix type from the following Auto RGB or YUV HSG Ind Color Management Adjusts the red green blue cyan yellow and magenta colors Ind Hue Adjusts the colo...

Page 35: ...ration will be charged and guaranteed by ISF certified calibrator and thereby Acer is not responsible for the calibration service Signal Frequency Frequency changes the projector s refresh rate to match the frequency of your computer s graphics card If you can see a vertical flickering bar in the projected image use this function to make the necessary adjustments Tracking Synchronizes the signal t...

Page 36: ...higth ratio and maximize the image to fit native horizontal or vertical pixels 4 3 The image will be scaled to fit the screen and displayed using a 4 3 ratio 16 9 The image will be scaled to fit the width of the screen and the height adjusted to display the image using a 16 9 ratio Native This format displays the original image without any scaling AcuMotion Activate AcuMotion to provide a smoother...

Page 37: ...ume Choose Off to restore the volume Volume Press to decrease the volume Press to increase the volume Lamp Lamp Hour Elapse Displays the lamp s elapsed operating time in hours Lamp Hour Reset Choose Yes and press ENTER to turn the lamp hour counter to 0 hours Lamp Reminding Activate this function to display a reminder to change the lamp 30 hours before its expected end of life Filter Filter Hour S...

Page 38: ...ory default setting Rear When you select this function the projector reverses the image so you can project from behind a translucent screen Rear Ceiling When you select this function the projector reverses and inverts the image at same time You can project from behind a translucent screen with ceiling mounted projection Ceiling When you select this function the projector inverts the image for ceil...

Page 39: ... Note Functions vary depending on model definition Display the projector information for Model Name Serial No Input Source Signal Type Display Mode Color Depth Color Format Software Version on the screen Choose Yes to return the parameters on all menus to the factory default settings ...

Page 40: ...ree main functions Projector Control Settings Wireless Setting and Network Reset Projector Application Settings Source Projector Settings Volume More information for Projector and Smart Home Projector Application Settings Language Network More information for Projector and Smart Home Settings Network Setting Projector Control Settings Wireless Settings Wi Fi Display Sy Network Reset Disabled ...

Page 41: ...n b Connect to an available Wi Fi network from the list If you connect to a secure Wi Fi network you must enter the password when prompted Settings Network Settings Projector Control Settings Ethernet Settings Wireless Settings Projector Control Functions Disabled Settings Network Settings Projector Control Settings Wireless Settings WiFi Add network manually ...

Page 42: ...Select Register to register your network SSID and password and specify the security type Settings Network Setting Projector Control Settings Ethernet Settings Wireless Settings Projector Control Functions Settings Network Setting Projector Control Settings Ethernet Settings Network Status MAC Address DHCP IP Address Subnet Mask Gateway DNS Connected AA BB CC DD EE FF Disabled Settings Network Sett...

Page 43: ... Settings Projector Control Settings Wireless Settings Wi Fi Display Sy Network Reset Disabled Settings Network Settings Wireless Settings WiFi Display System Update Wi Fi Add network manually Settings Network Setting Input Password CONNECT Show password ...

Page 44: ...osoft Windows 2000 XP Vista Windows 7 Windows 8 1 Windows 10 Macintosh OS compliant ChromeOS Compliant For an incorrectly displayed image Open My Computer open the Control Panel and then double click the Display icon Select the Settings tab Verify that your display resolution setting is lower than or equal to WUXGA RB 1920 x 1200 Click the Advanced Properties button If the problem still appears ch...

Page 45: ...section for more information Change the display color depth settings on your computer 6 Image has vertical flickering bar Use Frequency to make an adjustment Refer to the Signal section for more information Check and reconfigure the display mode of your graphics card to make it compatible with the projector 7 Image is out of focus Make sure the lens cap is removed Adjusts the focus ring on the pro...

Page 46: ...TIO on the remote control to adjust directly 10 Image has slanted sides If possible reposition the projector so that it is centered on the screen 11 Image is reversed Select Settings Management Projection on the OSD and adjust the projection direction 12 LAN WiFi USB Display source show No signal Power off peojector and power on again 13 Image hangs up when displaying photo or document in Media Po...

Page 47: ...connecting power 2 Lamp burns out or makes a popping sound When the lamp reaches the end of its useful life it will burn out and may make a loud popping sound If this happens the projector will not turn on until the lamp module has been replaced To replace the lamp follow the procedures in the Replacing the Lamp section Fan Fail Lamp will automatically turn off soon Projector overheated system wil...

Page 48: ... to OFF 100ms Flash ON to OFF 100ms Flash ON to OFF 100ms Standby ON Power button ON ON Lamp retry Quick Flashing Power off Cooling state Quick Flashing Power button OFF cooling completed standby mode ON Error thermal failure ON ON Error fan lock Quick Flashing ON Error lamp breakdown ON ON Error color wheel fail Quick Flashing ON ...

Page 49: ...n off the projector by pressing the Power button Allow the projector at least 30 minutes to cool down Disconnect the power cord 1 Use a screwdriver to remove the screw from the cover Illustration 1 Push to the direction of the arrow and push up the cover Illustration 2 Remove the protector Illustration 3 2 Remove the screw that secure the lamp module Illustration 4 Pull out the lamp plug Illustrat...

Page 50: ...ng a ceiling mount please refer to the steps below 1 Drill four holes into a solid structural ceiling member and secure the ceiling mount base to the ceiling 2 Choose the length combination based on actual environment CM 01S doesn t include Type 2 and Type 3 Type 1 Type 2 Type 3 ...

Page 51: ... larger size use the sliding extensions for more supports Note It is recommended that you keep a reasonable space between the bracket and the projector to allow for proper heat distribution 4 Connect the main body connector to the projector bracket illustration 1 and then screw up four screws illustration 2 Type 1 Type 2 Type 3 Illustration 1 Illustration 2 ...

Page 52: ...he angle and positioning as necessary Screw Type B Washer Type Diameter mm Length mm Large Small 4 25 V V 360 96 54mm 55 00mm 70 00mm 186 10mm 99 47mm 297 5mm 141 25mm 50 88mm 115 00mm 12 00mm 398 00mm SCREW SPEC M4 x 25 mm ...

Page 53: ... 94 2 23 f 12 81mm 16 74mm Manual Zoom Focus Projection screen size diagonal 37 94cm 300 762cm Projection distance 1 0m 8 0m 3 3 26 4 Horizontal scan rate 15 135 kHz Vertical refresh scan rate 24 120 Hz Lamp type 240 W user replaceable lamp Audio Internal speaker with 5W x 2 output Weight 5 5 Kg 12 1 lbs Dimensions W x D x H with feet 398 mm X 297 5 mm X 127 mm 15 7 x 11 7 x 5 0 Digital zoom 0 8x ...

Page 54: ...K17 HT 4K17 GM836 HV836 VH 737 TH 737 H6820i V6820i D4K1736 D4K1731 Power socket V VGA IN V HDMI1 V HDMI2 V RJ45 LAN input V RS232 V 3 5 mm audio jack input V 3 5 mm audio jack output V 5V DC output V 12V DC output V Service connector V USB connector for wireless control V USB connector for wireless display V S PDIF output V ...

Page 55: ...24x768 60 48 4 1024x768 70 56 5 1024x768 75 60 0 1024x768 85 68 7 1024x768 120 99 0 SXGA 1152x864 70 63 8 1152x864 75 67 5 1152x864 85 77 1 1280x1024 60 64 0 1280x1024 72 77 0 1280x1024 75 80 0 1280x1024 85 91 1 QuadVGA 1280x960 60 60 0 1280x960 75 75 2 SXGA 1400x1050 60 65 3 UXGA 1600x1200 60 75 0 PowerBook G4 640x480 60 31 4 PowerBook G4 640x480 66 6 67 34 9 PowerBook G4 800x600 60 37 9 PowerBoo...

Page 56: ...V Frequency Hz H Frequency KHz 480i 720x480 1440x480 59 94 29 97 15 7 576i 720x576 1440x576 50 25 15 6 480p 720x480 59 94 31 5 576p 720x576 50 31 3 720p 1280x720 60 45 0 720p 1280x720 50 37 5 1080i 1920x1080 60 30 33 8 1080i 1920x1080 50 25 28 1 1080p 1920x1080 23 97 24 27 0 1080p 1920x1080 60 67 5 1080p 1920x1080 50 56 3 Graphic source monitor range limits Horizontal scan rate 15k 104kHz Vertical...

Page 57: ...280x960 60 60 0 1280x960 75 75 2 SXGA 1400x1050 60 65 3 UXGA 1600x1200 60 75 0 PowerBook G4 640x480 60 31 4 PowerBook G4 640x480 66 6 67 34 9 PowerBook G4 800x600 60 37 9 PowerBook G4 1024x768 60 48 4 PowerBook G4 1152x870 75 68 7 PowerBook G4 1280x960 75 75 0 i Mac DV G3 1024x768 75 60 0 Modes Resolution V Frequency Hz H Frequency KHz WXGA 1280x768 60 47 8 1280x768 75 60 3 1280x768 85 68 6 1280x7...

Page 58: ...720x480 16 9 59 9 31 5 480p 1440x480 16 9 59 9 31 5 576p 720x576 4 3 50 31 3 576p 720x576 16 9 50 31 3 576p 1440x576 16 9 50 31 3 720p 1280x720 60 45 0 720p 1280x720 50 37 5 1080i 1920x1080 60 30 33 8 1080i 1920x1080 50 25 28 1 1080p 1920x1080 23 97 24 27 0 1080p 1920x1080 60 67 5 1080p 1920x1080 50 56 3 1080p 1920x1080 25 28 1 1080p 1920x1080 30 33 8 UHD 3840x2160 24 0 54 0 UHD 3840x2160 25 0 56 ...

Page 59: ...d Bottom 1920x1080 50 25 28 1 1080i Top and Bottom 1920x1080 60 30 33 8 1080p Top and Bottom 1920x1080 24 27 0 1080p Top and Bottom 1920x1080 50 56 3 1080p Top and Bottom 1920x1080 60 67 5 720p Side by Side Half 1280x720 60 45 0 1080i Side by Side Half 1920x1080 50 25 28 1 1080i Side by Side Half 1920x1080 60 30 33 8 1080p Side by Side Half 1920x1080 50 56 3 1080p Side by Side Half 1920x1080 60 67...

Page 60: ...e into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio television technician for help Notice Shielded cables All connections to other computing devices must be made using shielded cables to maintain compliance with FCC regulations Notice Peripheral devices Only peripherals input output devices terminals printers etc certified...

Page 61: ...luetooth modules Canada Low power license exempt radio communication devices RSS 247 a Common information Operation is subject to the following two conditions 1 This device may not cause interference and 2 This device must accept any interference including interference that may cause undesired operation of the device b Operation in 2 4 GHz band To prevent radio interference to the licensed service...

Page 62: ...2010 A1 2015 EN 61000 3 2 2014 Class A EN 61000 3 3 2013 R TTE Directive 1999 5 EC until Jun 12 2017 RED Directive 2014 53 EU From Jun 13 2017 EN 300 328 V1 8 1 EN 301 893 V1 7 1 EN 300 440 1 V1 6 1 EN 300 440 2 V1 4 1 EN 302 291 1 V1 1 1 EN 302 291 2 V1 1 1 EN 301 511 V9 0 2 EN 301 908 1 V6 2 1 EN 301 908 2 V6 2 1 EN 301 908 13 V6 2 1 EN 301 489 1 V1 9 2 EN 301 489 3 V1 6 1 EN 301 489 7 V1 3 1 EN...

Page 63: ...ss B E E Rad E E E E Hea E E E RoH E ErP R R This ra F M fr ctromagne c c EN 61000 3 2 20 EN 61000 3 3 20 dio frequency EN 300 328 V2 1 EN 300 440 1 V1 EN 300 440 2 V1 EN 302 291 1 V1 althy and Safet EN 60950 1 200 EN 62209 1 200 EN 62209 2 201 HS EN 50581 2012 Regula on EU Regula on EC adio equipmen Frequency ban Maximum radi requency pow compa bility 014 Class D 013 spectrum usa 1 1 1 6 1 1 4 1 ...

Page 64: ...Manufacturer Importer is responsible for this declaration Product DLP Projector Model Number D4K1736 D4K1731 Machine Type H6820M V6820M E8620 E8620C ET 4K17 HT 4K17 GM836 HV836 VH 737 TH 737 H6820i V6820i Name of Responsible Party Acer America Corporation Address of Responsible Party 333 West San Carlos St Suite 1500 San Jose CA 95110 U S A Contact Person Acer Representative Phone No 254 298 4000 ...

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