Optoma UHD38 4K UHD Gaming Projector User Manual

Thank you for purchasing the Optoma UHD38 4K UHD Gaming Projector. This user manual will guide you through the setup, operation, and troubleshooting of your new projector. Please read this manual carefully before using the projector to ensure the best performance and to avoid any damage to the device.

Table of Contents

1. Package Contents
2. Product Overview
3. Setting Up the Projector
4. Connecting Devices
5. Using the Projector
6. Troubleshooting
7. Frequently Asked Questions

1. Package Contents

Make sure that the following items are included in the package:

• Optoma UHD38 projector
• Quick start user manual
• Remote control
• Batteries for remote control
• Power cable

2. Product Overview

The Optoma UHD38 is a 4K UHD gaming projector with a 4000-lumen brightness, HDR10 and HLG compatibility, ultra-fast 240Hz refresh rate, and low input lag for an immersive gaming and entertainment experience.

3. Setting Up the Projector

1. Place the projector on a stable, level surface or mount it on the ceiling using a compatible projector mount (not included).
2. Adjust the projector's distance from the screen to achieve the desired image size. The UHD38 can project a 120" image from approximately 13.1 feet away.
3. Power on the projector by connecting the power cable to the projector and a power outlet.
4. Turn on the projector using the power button on the projector or the remote control.
5. Adjust the focus and zoom using the focus and zoom rings on the projector's lens.
6. Use the ±40° vertical keystone correction to correct any image distortion.

4. Connecting Devices

The Optoma UHD38 features multiple input options to connect various devices:

• HDMI 2.0 inputs (HDCP 2.2) for gaming consoles, PCs, Macs, Blu-ray players, and streaming devices
• VGA input for older computers
• USB 2.0 (service port) and USB power (5V, 1.5A) for firmware updates and powering streaming devices
• Audio in (3.5mm) and audio out (3.5mm) for connecting external speakers or headphones
• S/PDIF out (optical) for digital audio output
• RS-232C for control systems
• 12V trigger for screen control

5. Using the Projector

Once your devices are connected, use the remote control to navigate the projector's menu and adjust settings such as picture mode, aspect ratio, color settings, and more. You can also enable Enhanced Gaming Mode for a faster response time and smoother gaming experience.

6. Troubleshooting

If you experience any issues with the Optoma UHD38, try the following troubleshooting tips:

1. Ensure that all cables are securely connected to the projector and your devices.
2. Check that the projector's lamp is functioning properly and not nearing the end of its life (up to 15,000 hours).
3. Reset the projector's settings to factory defaults if you are experiencing issues with picture quality or performance.
4. Contact Optoma's customer support for further assistance if the issue persists.

7. Frequently Asked Questions

1. What is the optimal distance to project a 120" image with the Optoma UHD38?
   The optimal distance to project a 120" image is approximately 13.1 feet away.
2. Can I connect a streaming device like a Chromecast or Amazon Fire Stick to the Optoma UHD38?
   Yes, you can connect streaming devices to the HDMI 2.0 inputs on the projector.
3. How do I enable Enhanced Gaming Mode for a faster response time?
   Access the projector's menu using the remote control and navigate to the Enhanced Gaming Mode option. Enable this mode for a faster response time and smoother gaming experience.
4. Can I use the Optoma UHD38 for outdoor movie nights?
   Yes, the 4000-lumen brightness of the projector makes it suitable for outdoor movie nights.

Q: Is the Optoma UHD38 a true 4K projector?
A: Yes, the Optoma UHD38 is a true 4K projector with 8.3 million distinct addressable on-screen pixels.

Q: Can I use keystone adjustment with 4K at 60Hz on this projector?
A: Yes, you can use keystone adjustment with 4K at 60Hz on this projector. However, note that if the “Enhanced Gaming” mode is enabled, some functions such as 3D, Aspect Ratio, Zoom, Image Shift, and Geometric Correction will be disabled automatically.

Q: Does the Optoma UHD38 support HDMI-CEC?
A: It is unclear from the provided information whether the Optoma UHD38 supports HDMI-CEC.

Q: Do I need to change any settings if the projector displays "adjusting video frame rate" message when playing movies?
A: No, you do not need to change any settings if the projector displays "adjusting video frame rate" message when playing movies.

Q: Is there a restocking fee if I return this projector?
A: Yes, there may be a restocking fee if you return this projector after missing the return window.

Q: Is anyone else having an issue where enabling HDR shrinks the display area?
A: Yes, some users have reported that enabling HDR on this projector can shift or slightly shrink the display area. You may need to adjust the image to realign it on the screen.

Q: How do I adjust the color on this projector if skin tones appear orange?
A: The information provided does not specify how to adjust color settings on this projector. Please refer to the user manual or contact Optoma technical support for assistance.