Samsung C34J791WT Series User Manual

USER MANUAL
CJ79*
Curved Monitor
The color and the appearance may differ depending on the product, and the specifications are subject to change without prior
notice to improve the performance.
The contents of this manual are subject to change without notice to improve quality.
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Use or reproduction of this manual in parts or entirety without the authorization of Samsung Electronics is prohibited.
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• An administration fee may be charged if either
‒ (a) an engineer is called out at your request and there is no defect in the product
(i.e. where you have failed to read this user manual).
‒ (b) you bring the unit to a repair center and there is no defect in the product
(i.e. where you have failed to read this user manual).
• The amount of such administration charge will be advised to you before any work or home visit is carried out.

Samsung C34J791WT Series Specifications

General

Color	white/silver, white
Screen Type	led
Tiltable	yes
Touch Screen	no
Webcam	no
OS Compatibility	windows
Screen Size	34 inches
Panel Type	va
Aspect Ratio	21:9
Resolution	3440 x 1440
Native Resolution	3440 x 1440
Refresh Rate	100hz
Horizontal Viewing Angle	178 degrees
Vertical Viewing Angle	178 degrees
Response Time	4 milliseconds
Brightness	300 candela per square meter
Contrast Ratio	3000:1
Synchronization	freesync (amd adaptive sync)
HDR	yes
Built-In Speakers	yes
Interface Connectors	1 x displayport 1.2, 2 x thunderbolt 3
HDMI Ports	1
USB Ports	2 x usb-a 3.0
Display Port Inputs	1
DVI	6
Headphones Output	yes
Voice Assistant	no
Power Saving Mode	0.3 watts
Power Consumption	180 watts
Depth with Stand	12.2 inches
Height with Stand	20.3 inches
Width with Stand	31.8 inches
Depth without Stand	6.5 inches
Height without Stand	14.3 inches
Net Weight without Stand	16.8 pounds

Summary

Chapter 01 Before Using the Product

Securing the Installation Space

Ensure adequate space around the monitor for ventilation.

Safety Precautions

Warnings and cautions for safe operation and handling of the product.

Chapter 02 Preparations

Parts

Identifies and describes the physical components of the monitor.

Control Panel

Explains the buttons and indicators on the monitor's control panel.

Direct Key guide

Function Key Guide

Chapter 03 Connecting and Using a Source Device

Connecting and Using a PC

Instructions on connecting the monitor to a PC for use.

Connection Using the HDMI Cable

Details on connecting the monitor using an HDMI cable.

Connection Using an HDMI-DVI Cable

Connection Using an DP Cable

Connection Using a Thunderbolt™ 3 Cable or USB Type-C Cable

Guide for connecting via Thunderbolt 3 or USB Type-C.

Connecting the Power

Connecting the Product to a PC as a USB HUB

Using the monitor as a USB hub for PC connectivity.

Utilizing the Product as a USB HUB

How to use the monitor's USB hub functionality effectively.

Chapter 04 Picture

SAMSUNG MAGIC Bright

Optimizes picture quality based on the environment.

Brightness

Contrast

Color

SAMSUNG MAGIC Upscale

HDMI Black Level

Eye Saver Mode

Reduces blue light for eye comfort and relaxation.

Game Mode

Optimizes picture settings for gaming experiences.

Response Time

Accelerates panel response for smoother motion and less blur.

Chapter 05 PIP/PBP

PIP/PBP Mode

Enables or disables the Picture-in-Picture/Picture-by-Picture mode.

Size

Sound Source

Source

Picture Size

Chapter 07 System

HDMI Mode

FreeSync

Eliminates screen tearing and lag for smoother gaming.

Eco Saving Plus

Reduces power consumption by controlling monitor panel electric current.

PC/AV Mode

Chapter 08 Installing the Software

Easy Setting Box

Software for partitioning the monitor screen into multiple sections.

Chapter 09 Troubleshooting Guide

Requirements Before Contacting Samsung Customer Service Center

Testing the Product

Guide to test product functionality and perform self-diagnosis.

Installation issue (PC mode)

Troubleshooting for screen issues when connected to a PC.

Screen issue

Troubleshooting for power LED and screen display problems.

Not Optimum Mode is displayed.

The images on the screen look distorted.

The screen appears unstable and shaky.

Sound issue

Troubleshooting steps for no sound or audio problems.

Chapter 10 Specifications

Standard Signal Mode Table