Prechen HD-238

Manual d'usuari del monitor tàctil portàtil Prechen de 23.8" HD-238

Model: HD-238

1. Introducció

This manual provides essential information for the proper setup, operation, and maintenance of your Prechen 23.8" Portable Touchscreen Monitor. Please read this manual thoroughly before using the product to ensure optimal performance and to prevent damage.

The Prechen HD-238 is a 23.8-inch Full HD (1920x1080) portable touchscreen monitor featuring 100% sRGB color gamut, a 4000:1 contrast ratio, and a 75Hz refresh rate. It includes an integrated 90-degree adjustable stand, VESA mounting compatibility, built-in speakers, and versatile connectivity options via USB-C and HDMI.

2. Contingut del paquet

Verifiqueu que tots els elements siguin presents al paquet:

  • Monitor tàctil portàtil Prechen de 23.8"
  • Manual d'usuari
  • Adaptador d'alimentació
  • USB-C to USB-C Cable (x1)
  • Cable USB-A a USB-C (x1)
  • Cable HDMI (x1)
Image showing the Prechen Portable Touch Monitor and its included accessories: user manual, power adapter, USB-C to USB-C cable, USB-A to USB-C cable, and HDMI cable.

Figura 2.1: Accessoris inclosos

3. Producte acabatview

3.1 Ports i controls

Familiarize yourself with the monitor's ports and control buttons:

  • Port HDMI: For video input from devices like PCs, PS4/5, X-Box.
  • Type C 3.1 Port: For video, audio, power, and touch signal from compatible phones, tablets, and laptops.
  • Port per a auriculars de 3.5 mm: Per connectar dispositius d'àudio externs.
  • DC Powered Port: For connecting the power adapter to supply stable power to the monitor.
  • Port USB: Used for touch functionality when connecting via HDMI.
  • Brightness Shortcuts (+UP): Ajusta la brillantor de la pantalla.
  • Menu/ON/OFF/Switching Button: Accesses the On-Screen Display (OSD) menu, powers the monitor on/off, and switches input sources.
  • Volume Shortcuts (-Down): Ajusta el volum de l'àudio.
Detailed diagram of the Prechen 23.8-inch Portable Touchscreen Monitor's connectivity ports including HDMI, USB-C 3.1, 3.5mm headphone jack, DC power input, and a USB port, along with control buttons for brightness, menu, power, and volume.

Figure 3.1: Monitor Ports and Controls

4. Configuració

Before connecting, ensure the monitor is placed on a stable surface or mounted securely. Always connect the power adapter first to provide stable power.

4.1 Connecting via USB-C (Full-featured USB-C 3.1 Port)

For devices with a full-featured USB-C port (supporting video, audio, power, and touch):

  1. Connect the power adapter to the monitor's DC Powered Port.
  2. Connect one end of the USB-C to USB-C cable to your device's full-featured USB-C port.
  3. Connect the other end of the USB-C to USB-C cable to the monitor's Type C 3.1 Port.

This connection method typically provides signal, touch functionality, and power (if your device can supply sufficient power, though external power is recommended for stability).

4.2 Connecting via HDMI and USB-A

For devices without a full-featured USB-C port, or for dedicated video input:

  1. Connect the power adapter to the monitor's DC Powered Port.
  2. Connect one end of the HDMI cable to your device's HDMI output.
  3. Connect the other end of the HDMI cable to the monitor's HDMI Port.
  4. Connect one end of the USB-A to USB-C cable to your device's USB-A port.
  5. Connect the other end of the USB-A to USB-C cable to the monitor's USB Port to enable touch functionality.
Diagram illustrating two connection methods for the Prechen 23.8-inch Portable Touchscreen Monitor: one using a full-featured USB-C port with a power adapter, and another using USB-A, HDMI, and a power adapter.

Figura 4.1: Mètodes de connexió

4.3 Touchscreen Configuration (Windows)

If this is the first touchscreen connected to your Windows device, or if touch input is misaligned:

  1. Go to the Windows Control Panel.
  2. Navigate to "Tablet PC Settings."
  3. Click "Setup" and follow the on-screen prompts to configure the touch display.

5. Instruccions de funcionament

5.1 Power On/Off and Input Switching

  • Encès: Press the Menu/ON/OFF/Switching Button.
  • Apagar: Press and hold the Menu/ON/OFF/Switching Button for a few seconds.
  • Interruptor d'entrada: Briefly press the Menu/ON/OFF/Switching Button to cycle through available input sources (USB-C, HDMI).

5.2 Adjusting Brightness and Volume

  • Brillantor: Use the Brightness Shortcuts (+UP) button to increase brightness.
  • Volum: Use the Volume Shortcuts (-Down) button to adjust the audio output level.

5.3 Menú de visualització en pantalla (OSD)

The OSD menu allows for advanced display settings adjustments. Refer to the detailed instructions in the included user manual for navigation and options.

5.4 Funcionalitat tàctil

The monitor supports 10-point multi-touch for intuitive interaction. Common gestures include:

  • Toca: Single tap for selection.
  • 2-finger Touch: For specific application functions.
  • Narrow/Enlarge: Pinch gestures for zooming.
  • Multitàctil: Simultaneous touches for various commands.
  • Up/Down/Drag: Swiping gestures for navigation.
Prechen 23.8-inch Portable Touchscreen Monitor showing various touch gestures like single touch, 2-finger touch, narrow, enlarge, multi-touch, up, down, and drag. A note indicates touch functionality limitations with certain devices.

Figure 5.1: Touch Gestures

Important Note on Touch Functionality:

The touch functionality of this 23.8-inch portable monitor is not available when connected to devices such as Apple devices, PS3/4/5, Switch, X-box, Steam-Deck, or Fire TV stick/cube, due to system protection or compatibility limitations.

5.5 Adjustable Stand and VESA Mounting

The integrated stand allows for a 0-90 degree adjustment to achieve the optimal viewing angle. For alternative setups, the monitor supports 75x75mm VESA mounting standards.

posterior view of the Prechen 23.8-inch Portable Touchscreen Monitor, showcasing its integrated 90-degree adjustable stand and slim profile.

Figure 5.2: 90° Adjustable Stand

6. Manteniment

  • Neteja de la pantalla: Utilitzeu un drap suau i sense pelusa lleugerament dampened with water or a screen cleaner. Avoid harsh chemicals or abrasive materials.
  • Neteja de la Casing: Netegeu amb un drap suau i sec.
  • Emmagatzematge: Quan no l'utilitzeu durant períodes prolongats, guardeu el monitor en un lloc fresc i sec, preferiblement en el seu embalatge original per protegir-lo de la pols i els danys físics.
  • Eviteu líquids: Do not expose the monitor to excessive moisture or liquids.

7. Solució De Problemes

ProblemaCausa possibleSolució
No display/"No Signal" message
  • Font d'entrada incorrecta seleccionada.
  • Cables no connectats correctament.
  • Device not outputting signal.
  • Potència insuficient.
  • Press the Menu/ON/OFF/Switching Button to cycle through input sources.
  • Ensure HDMI/USB-C cables are firmly connected to both the monitor and the source device.
  • Verify your source device (laptop, PC) is powered on and configured to output to an external display.
  • Ensure the power adapter is connected to the monitor's DC port and to a working power outlet.
La pantalla tàctil no respon
  • USB cable for touch not connected (for HDMI connection).
  • Device incompatibility (e.g., Apple devices, gaming consoles).
  • Windows touch calibration needed.
  • Potència insuficient.
  • If using HDMI, ensure the USB-A to USB-C cable is connected from your device's USB-A port to the monitor's USB port.
  • Confirm your device is compatible with the monitor's touch function (refer to Section 5.4).
  • For Windows, perform touchscreen calibration via "Tablet PC Settings" in Control Panel.
  • Ensure the power adapter is connected to the monitor for stable power.
Poor image quality/Incorrect colors
  • Problema amb el cable.
  • Display settings on source device.
  • Monitor OSD settings.
  • Prova un altre cable HDMI o USB-C.
  • Adjust resolution and refresh rate settings on your source device.
  • Access the monitor's OSD menu to adjust brightness, contrast, color temperature, and other display settings.
No audio from built-in speakers
  • Volum massa baix o silenciat.
  • Sortida d'àudio incorrecta seleccionada al dispositiu font.
  • Problema amb el cable.
  • Increase monitor volume using the Volume Shortcuts (-Down) button.
  • Check audio settings on your source device to ensure the monitor is selected as the output device.
  • Ensure HDMI or USB-C cable is properly connected and supports audio transmission.

8. Especificacions

CaracterísticaEspecificació
Mida de la pantalla23.8 polzades
Resolució1920 x 1080 (FHD 1080p)
Relació d'aspecte16:9
Tipus de panellVA
Gamma de colors100% sRGB
Relació de contrast4000:1
Freqüència d'actualització75 Hz
Brillantor300 cd/m²
Pantalla tàctilMulti-touch de 10 punts
ConnectivitatUSB-C 3.1 (Full-featured), HDMI, 3.5mm Headphone, DC Power, USB-A
AltaveusAltaveus estèreo incorporats
DempeusIntegrated 0-90° Adjustable Stand
Muntatge VESA75x75mm
Dimensions del producte1.29 x 21.25 x 12.59 polzades
Pes de l'article7.83 lliures
Summary of Prechen 23.8-inch Portable Touchscreen Monitor features including FHD 1920x1080 VA Touch Screen, 100% sRGB, 4000:1 Contrast, 75Hz refresh rate, VESA compatibility, built-in speakers, and eye care technology.

Figura 8.1: Resum de les característiques principals

9. Garantia i Suport

For warranty information, please refer to the warranty card included with your product or contact the seller directly. If you encounter any issues not covered in this manual or require further assistance, please contact Prechen customer support through the retailer's platform or the official Prechen weblloc.

Please have your product model number (HD-238) and purchase details ready when contacting support.

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