Question 1

How do i know i got the 2020 model and not the 2018 model. all the info on the item just says uhd30?

Accepted Answer

The uhd50 is the 2018 model.
The uhd30 is the 2020 model.

Question 2

Can this use 220v?

Accepted Answer

if you buy it from Amazon US, it will come with a standard 110V plug. I'm assuming you need the right power converter or adapter in order to use it on 220v. Check the manufacturer's spec page to make sure it actually supports 220V. Some electronics don't support 220V (I fried my Bose Companion 5 speakers this way) and need separate power converters, but some don't.

Question 3

How do i use the spdif output without the speaker off icon showing in the top right of the screen?

Accepted Answer

Menu -> Setup(Cog symbol on left) -> scroll down in setup until you see "Options" -> Scroll down in "Options" until you see Information hide and then turn that on.

Question 4

Will i need a tensioned screen?

Accepted Answer

A $270 Silver Ticket Grey 106-inch stretched screen makes a HUUGE improvement. Over the years, many companies have created special paints to improve the wall experience - most no longer exist because a plain wall ALWAYS disappoints. A tensioned screen is not simply "nice," it's a necessity. There is no good reason to buy a 4k HDR projector at this kind of price tag without a screen. A wall does not reflect light well and is not as smooth, reducing color quality and clarity. "The resulting image will look like a snowy TV screen with bad reception at 144p. A quart of even the cheapest of screen paint is half the price of a projector screen." (projectorninja) You'd be better off with a Hisense 65U6G (or TCL 6). I easily assembled and installed my 128" Silver Ticket alone. Highly recommended. I would additionally suggest never using ECO mode. Go for greater brightness and buy a new bulb every few years. Then, the brighter UDH38 has better color, contrast, and lag.

ASIN	B084YH1L36
Additional Features	Low Input Lag, HDR & HLG Compatible, UltraDetail, Dynamic Black, UltraShort Throw, Portable
Antenna Location	Home Cinema
Brand	Optoma
Brightness	3,400 Lumen
Built-In Media	UHD30, AC power cord, remote control, batteries for remote and quick start guide card
Color	black
Compatible Devices	Gaming Console
Connectivity Technology	HDMI, USB, VGA
Contrast Ratio	500,000:1
Control Method	Remote
Controller Type	Remote Control
Customer Reviews	4.0 4.0 out of 5 stars (408)
Display Resolution Maximum	3840 x 2160 Pixels
Display Type	DLP
Form Factor	Desktop
Global Trade Identification Number	00796435813635
Hardware Connectivity	HDMI, USB, VGA
Item Dimensions L x W x H	31.5L x 26.9W x 11.8H centimeters
Item Weight	3.9 kg
Lamp Wattage	240 Watts
Light Source Operating Life	15000 Hours
Manufacturer	OPTOMA TECHNOLOGY
Maximum Image Size	305 Inches
Maximum Throw Distance	49 Meters
Mfr Part Number	UHD30
Minimum Image Size	34.1 Inches
Minimum Throw Distance	4 Meters
Model Name	UHD30
Model Number	UHD30
Mounting Type	Front, rear, ceiling mount, table top
Native Resolution	3840 x 2160
Number of Items	1
Picture Quality Enhancement Technology	UltraDetail
Projector Maximum White Brightness	3400 ANSI Lumens
Software Update Supported to Date	unknown
UPC	796435813635
Video Encoding	HEVC (H.265)
Voltage	12 Volts

Optoma UHD50 True 4K Ultra High Definition Home Theater Projector

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