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Copyright © 2017 Optoma Technology, Inc.

4K 

FAQ

Q. What resolutions, refresh rate and color depth does my 
content need to be to get Chroma 4:4:4? 

A. 3840 x 2160 @ 30Hz YUV 4:4:4 (8bit, 10bit, 12bit) 
3840 x 2160 @ 60Hz YUV 4:4:4 (8bit) 

Q . When HDR content is detected, which color gamut does 
the projector use? 

A. REC.2020 wide color gamut is the goal. When an HDR

 

signal is used, the UHD60/65 will map using the REC.2020 
WCG. REC.2020 is the target. Please remember that NO 
consumer level display (projector or panel) can achieve 
100% of REC.2020. 

Q. Why doesn’t the keystone button work? 

A. When using keystone you compress the image and lose 
pixel count. We disabled this feature to make sure that you 
get the full 4K resolution with no distortion or compression. 
We recommend using the projector lens shift to help adjust 
for the offset. 

Q. I have the correct cables, but why do all my sources say 
the projector is not 4K compatible? 

A. Your HDMI 2 port may not have HDCP 2.2 enabled. 
Please follow the steps below: 
1. Please turn off and unplug your projector. While the 
projector is unplug hold down the menu button on the unit.

 

2. While continuing to hold down the menu button, 
reconnect the power plug to the projector. 

The power LED will flash between red and blue. 

3. Once the Power LED switch to a flashing blue LED only, 

IMMEDIATELY let go of the menu button and wait unit 

you see the power LED flash purple. Once it is purple, 

IMMEDIATELY press the menu button once. 

4. After you press the menu once the power LED 

should flash purple and the TEMP / LAMP LED should 
flash red together. 

Let the projector go though and reset the HDCP back to 

HDCP 2.2. Once completed, the LED will flash blue then 

red, which means you are done and HDCP 2.2 is active. 
Please note your source may have to be power cycle 
before you can connect it back to the projector. 

Q. What audio formats does the S/PDIF (optical) audio 
out port support? 

A. Two Channel PCM (Pulse-Code Modulation) 

If you need further assistance, contact Optoma’s 
technical support at 888-289-6786 (Option 2) Monday - 
Friday 6 AM - 5 PM PST. 

WANT MORE? 

Check out our YouTube 

channel as product expert Tom from 
Optoma shares more 4K fun facts.

CLICK HERE

 

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