User Manual for UPERFECT 173J19 Portable Monitor

Quick guide for the UPERFECT 173J19 portable monitor. Learn how to connect via USB-C or HDMI, adjust OSD settings, configure display modes in Windows, and troubleshoot common power or signal issues.

Quick answers from the manual

Quick answer

The UPERFECT 173J19 is a 17.3-inch portable monitor. It supports USB-C and Mini HDMI connections. For stable operation, especially at 2K 144Hz, use the included power adapter. p. 4, 5

Key actions

Connect via USB-C p. 5
Connect via HDMI p. 5

First start

Connect the monitor to your device using the appropriate cable (USB-C or HDMI) and connect the power adapter for stability. p. 5

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Problems and fixes

Monitor won't turn on

Check Type-C port compatibility or use external power (min 18W).

p. 9

No signal

Ensure device supports USB 3.1/Thunderbolt 3 or use HDMI.

p. 9

Maintenance and reset

Use the OSD menu to reset settings. p. 6

Technical specifications

Parameter	Value	Meaning	Pages
Screen Size	17.3 inches	Display diagonal size	p. 4
Resolution	2560*1440	Screen resolution	p. 4
Refresh Rate	144 Hz	Screen refresh rate	p. 4

Where to find it in the PDF

Preparations p. 2
Interface p. 3
Specifications p. 4
Connecting p. 5
Screen Adjustment p. 6
Windows Setup p. 7, 8

Table of contents

Manual images

Click an image to enlarge

Page 2

Page 3

TYPE-C signal transfer connection diagram

Page 5

Quick guide from the manual

The UPERFECT 173J19 is a 17.3-inch portable monitor designed for versatility. For optimal performance, especially when running at 2K 144Hz, it is highly recommended to use the original power adapter to ensure a stable power supply. If you encounter issues with the monitor not turning on or displaying a "no signal" message, verify your cable connections and ensure your source device supports the required signal transmission (USB 3.1/Thunderbolt 3 for USB-C).

Package Contents

Portable Monitor
Power Adapter
User Guide
Mini HDMI Cable
Type-C to Type-C Cable

Interface Function Introduction

The monitor features several ports and buttons for control:

Power/Menu Button: Short press to enter the OSD menu; long press to turn the monitor on/off.
+/- Keys: Used for volume and brightness adjustment.
Back Button: Returns to the previous menu step.
3.5mm Audio Jack: For headphone connection.
USB Type-C Ports: Full-featured ports for power and signal transmission.
Mini HDMI Port: For signal transmission.
VESA Mount: 75x75mm (Screw size: M4*4mm).

Connecting

The monitor supports two primary connection methods:

TYPE-C Signal Transfer: Connect your device to the monitor using the Type-C to Type-C cable. Ensure your device's Type-C port supports full-featured signal and power transmission.
HDMI Signal Transfer: Use a Mini HDMI to HDMI cable for video signal. Note that you may still need to connect the monitor to an external power source using the original power adapter for stability.

Screen Adjustment

The On-Screen Display (OSD) menu allows you to adjust various settings:

Brightness: Adjust brightness, contrast, ECO mode, DCR, and sharpness.
Image: Configure aspect ratio.
Color Temp: Adjust color temperature (User, Red, Green, Blue).
OSD Setting: Change language, OSD position, and timer.
Reset: Reset settings, toggle HDR mode, and Low Power mode.
Misc: Select signal source, adjust low blue light, FreeSync, and OD.

Setting Up (Windows 10)

To configure display modes:

Right-click on your desktop and select Display settings.
Scroll to Multiple displays.
Select your preferred mode (e.g., Extend desktop, Duplicate these displays).
Alternatively, use the Windows key + P keyboard shortcut to quickly toggle between display modes.

Troubleshooting

If you experience issues, consider the following:

Monitor won't turn on: Check if the Type-C port is full-featured. If not, use HDMI for signal and USB-C for power. Ensure power supply is at least 18W.
"No signal" message: Ensure your device supports USB 3.1/Thunderbolt 3. If not, use the Mini HDMI cable.
Monitor turns off when brightness increases: This indicates insufficient power. Connect the original power adapter.
Splash screen or restarts: Usually caused by insufficient power. Use the original power adapter or a power bank with at least 30W output.

Practical help

Common problems

Monitor does not turn on

Check if the device's Type-C port supports signal/power. If not, use HDMI for signal and USB-C for power. Ensure power supply is at least 18W.

No signal displayed

Verify device supports USB 3.1/Thunderbolt 3. If not, use Mini HDMI cable. Ensure original cables are used.

Monitor turns off when brightness is increased

The monitor requires more power. Connect the original power adapter.

Splash screen or constant restarts

Insufficient power supply. Use the original power adapter or a power bank with at least 30W output.

Before use

Verify all package contents are present.
Ensure your source device supports USB-C signal transmission.
Use the original power adapter for stable operation.
Connect cables securely to the monitor and source device.

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Specs in practice

Refresh Rate: 144 Hz

Images and diagrams

The bracket supports 180-degree opening for adjustable viewing angles.
Interface layout identifies the location of ports and control buttons.
Connection diagrams illustrate proper setup for USB-C and HDMI configurations.

Model compatibility

USB-C connection requires a full-featured Type-C port (USB 3.1/Thunderbolt 3).
Monitor requires at least 18W power input for basic operation; higher power recommended for 2K 144Hz.

Manual page author

Michael Turner

Technical manual editor

Reviews PDF manuals for structure, safety notes, and practical product details so readers can find the right information quickly.