BenQ EX321UX (9H.LM7LB.QBE) user manual

Contents

1. Copyrightp. 2

   © 2025 by BenQ Corporation. All rights reserved. No part of this publication may be reproduced, transmitted, transcribed, stored in a retrieval system or…

2. Disclaimerp. 2

   BenQ Corporation makes no representations or warranties, either expressed or implied, with respect to the contents hereof and specifically disclaims any…

3. Product supportp. 3

   This document aims to provide the most updated and accurate information to customers, and thus all contents may be modified from time to time without prior…

4. Q&A indexp. 4

   Start with the topics that you are interested in. Setup Input source and image display I/O ports and accessories Menus and accessories How to set up the…

5. Safety precautionsp. 6

   Power safety • The AC plug isolates this equipment from the AC supply. • The power supply cord serves as a power disconnect device for pluggable equipment. The…

6. Getting startedp. 13

   When unpacking please check you have the following items. If any are missing or damaged, please contact the place of purchase for a replacement. BenQ LCD…

7. Getting to know your monitorp. 15

   Front view EX271U EX321UX EX381U 1. USB-C™ port (downstream; connecting to USB devices, with 1.5A power supply) 2. USB port (downstream; connecting to USB…

8. Getting to know your remote controlp. 21

   Overview No. Name Key Description 1 Power key Turns the power on or off. 2 OK key • Activates the Quick Menu. See Quick Menu on page 37 for more information. •…

9. Assembling your monitor hardwarep. 24

   If the computer is turned on you must turn it off before continuing. Do not plug-in or turn-on the power to the monitor until instructed to do so. • The…

10. Monitor controlsp. 34

    The remote control and its effective range 1. Follow the instructions in Getting the remote control ready on page 22 to get the remote control ready. 2. Aim…

11. Menu introductionp. 35

    Head-up display (HUD) HUD is available only when Quick Menu or main menu is displayed by default. Press / / to bring up the Quick Menu and HUD. FPS counter FPS…

12. Monitor adjustmentsp. 39

    5-way controller and basic menu operations The 5-way controller is located below the lower part of the front bezel. While sitting in front of the monitor, move…

13. Navigating the main menup. 47

    You can use the OSD (On Screen Display) menu to adjust all the settings on your monitor. Press / / to bring up the Quick Menu and select Menu to access the…

14. Troubleshootingp. 68

    Frequently asked questions (FAQ) Imaging The image is blurred. Download Resolution file from the website (see Product support on page 3). Refer to "Adjusting…