1. Produk Langkungview
The Prechen Portable Touchscreen Secondary Monitor is a versatile 12.3-inch IPS LCD display designed to extend your workspace. With a resolution of 1920 x 720, it offers clear visuals and touch capabilities for enhanced interaction. Its compact and lightweight design makes it suitable for travel and on-the-go use, connecting seamlessly via Mini HDMI or USB-C. This monitor is ideal for various applications, including system performance monitoring with software like Aida64.

Figure 1.1: The Prechen portable monitor in use, displaying system performance metrics such as CPU temperature, GPU temperature, and RAM data. A hand is shown interacting with the touchscreen interface.
2. Fitur konci
- Layar rampa: 12.3-inch IPS stretched bar LCD with 1920 x 720 resolution, offering a vibrant and interactive viewpangalaman.
- Konektipitas serbaguna: Equipped with Mini HDMI and USB-C ports for broad compatibility with laptops, computers, and other devices.
- Desain portabel: Compact and lightweight, making it easy to carry for travel or mobile setups.
- Fungsi Multi-Tujuan: Excellent for monitoring system resources like GPU, CPU, and RAM, and compatible with software such as Aida64.
- Windows Compatible: Ensures seamless operation with Windows operating systems.
- Multi-Toél 10-Titik: Supports advanced multi-touch gestures for intuitive control and interaction.
- Konstruksi awét: Features a metal material casing for enhanced durability and hardness.
- Audio terpadu: Provides 3D vivid surround sound for an immersive audio experience.

Figure 2.1: The monitor supports 10-point multi-touch, allowing for precise and intuitive interaction, as demonstrated by a user drawing on the screen with a stylus.

Figure 2.2: The monitor features 3D vivid surround sound, enhancing the audio experience for various content, including music playback.
3. Setup jeung Sambungan
3.1 Eusi pakét
Mangga pastikeun sadaya komponén aya sateuacan neraskeun pamasangan:
- Prechen Portable Touchscreen Secondary Monitor
- USB-C to USB-C Cable (for signal, touch, and power)
- Kabel Mini HDMI ka HDMI (pikeun sinyal vidéo)
- USB-A to USB-C Cable (for power if using HDMI)
- Power Adapter (if included, or use a compatible 5V/2A adapter)
- Manual pangguna (dokumén ieu)
3.2 Nyambungkeun Monitor
The monitor supports two primary connection methods: USB-C and HDMI.
3.2.1 USB-C Connection (Full Featured USB-C)
If your device (laptop, smartphone, etc.) has a full-featured USB-C port that supports video output (DisplayPort Alternate Mode), touch function, and power delivery, you can connect the monitor using a single USB-C to USB-C cable.
- Connect one end of the USB-C to USB-C cable to the USB-C port on the Prechen monitor.
- Connect the other end of the USB-C to USB-C cable to the full-featured USB-C port on your device.
- Monitor kedahna otomatis ngadeteksi sinyal sareng hurungkeun.
3.2.2 Sambungan HDMI
If your device does not have a full-featured USB-C port, or if you prefer to use HDMI, you will need both an HDMI cable for video and a USB-C cable for power and touch functionality.
- Connect one end of the Mini HDMI to HDMI cable to the Mini HDMI port on the Prechen monitor.
- Connect the other end of the HDMI cable to the HDMI port on your device.
- Connect one end of the USB-A to USB-C cable to a USB-A port on your device (or a power adapter).
- Connect the USB-C end of this cable to one of the USB-C ports on the Prechen monitor for power and touch signal.
- The monitor should power on and display the video signal.
Catetan penting: When connecting devices with higher power consumption (such as gaming devices), the monitor may flicker or not turn on due to insufficient power supply. In such cases, please connect the original power adapter to the monitor via the USB-C port to ensure sufficient power before connecting the monitor to these devices.

Figure 3.1: Illustration of the two primary connection methods: a single USB-C cable for devices with full-featured USB-C ports, and a combination of HDMI and USB-C (for power/touch) for other devices.
3.3 Port and Button Layout

Gambar 3.2: Detil view of the monitor's side, showing the Mini HDMI port, two USB-C ports (one full-featured), a 3.5mm headphone jack, power button, menu button, and shortcut keys for brightness and return functions.
- Mini HDMI: Video input port.
- USB-C (Full Featured): Supports video, touch, and power transmission with a single cable.
- USB-C (Power/Touch): Used for power supply and touch signal when using HDMI for video.
- Jack Headphone 3.5mm: Pikeun kaluaran audio.
- Tombol Daya: Press and hold to turn the monitor on/off. Short press to enter/exit standby.
- Tombol Menu: Ngaksés menu Tampilan Dina Layar (OSD).
- Shortcut Key Brightness +: Ningkatkeun kacaangan layar.
- Shortcut Key Volume -: Ngurangan volume.
- Tombol mulang: Navigates back in the OSD menu or exits.
3.4 Pilihan pamasangan
The Prechen monitor features a durable metal casing and is designed for versatile placement. It includes standard mounting points on the rear for compatibility with VESA mounts (75x75mm), allowing for desk mount or wall mount configurations.

Figure 3.3: The rear of the monitor, highlighting the 75x75mm VESA mounting holes for compatible stands or arms.
4. Ngoperasikeun Monitor
4.1 Daya Hurung/Pareuman
- To turn on the monitor, press and hold the Tombol Daya nepi ka layar hurung.
- To turn off the monitor, press and hold the Tombol Daya again until the screen goes dark.
- Pencét pondok tina Tombol Daya will put the monitor into standby mode or wake it up.
4.2 Ngagunakeun Layar rampa
The monitor features a responsive 10-point multi-touch display. Ensure the USB-C connection for touch functionality is properly established (either via a full-featured USB-C cable or the USB-A to USB-C cable when using HDMI).
- Ketok: Single tap to select items or activate functions.
- Séréd: Press and hold, then move your finger to drag items or scroll.
- Ciwit-pikeun-Zoom: Pake dua ramo pikeun ngazum gede atawa leutik eusi.
- Multi-finger Gestures: Utilize up to 10 fingers for advanced multi-touch applications.
4.3 Menu dina layar (OSD).
Pencét éta Tombol Menu to access the OSD menu. Use the shortcut keys (Brightness +, Volume -, Return) to navigate and adjust settings.
- Caang/Kontras: Adjust screen luminosity and contrast levels.
- Setélan warna: Robah suhu warna, hue, sareng jenuh.
- Sumber Input: Manually select between USB-C and HDMI input if auto-detection fails.
- Setélan Audio: Adjust volume, mute, or select audio input source.
- Basa: Robah basa menu OSD.
- Reset: Balikkeun setélan standar pabrik.
4.4 Using with Aida64 and System Monitoring
This monitor is particularly well-suited for displaying system performance data from applications like Aida64. Connect the monitor to your computer as a secondary display. Configure Aida64 (or similar software) to output its sensor panel or monitoring dashboard to the Prechen monitor for real-time tracking of CPU, GPU, RAM, and other system metrics.
5. Pangropéa sarta perawatan
- Ngabersihan layar: Lap layar sacara saksama nganggo lawon anu lemes sareng henteu ngaganggu. Pikeun noda anu bandel,ampen the cloth slightly with water or a screen-cleaning solution. Avoid using harsh chemicals, abrasive cleaners, or alcohol-based solutions, as these can damage the screen coating.
- Ngabersihan Casing: Anggo lawon anu lemes sareng garing pikeun ngabersihkeun casing logam monitorasing.
- Panyimpenan: Nalika henteu dianggo, simpen monitor di tempat anu tiis, garing, jauh tina sinar panonpoé langsung sareng suhu anu ekstrim. Upami ngangkut, paké leungeun baju pelindung atanapi wadah pikeun nyegah goresan sareng tabrakan.
- Hindarkeun Cairan: Do not expose the monitor to excessive moisture or liquids. If liquid spills on the monitor, immediately disconnect power and allow it to dry completely before re-connecting.
- Nanganan kalayan ati-ati: Avoid dropping or subjecting the monitor to strong impacts, as this can damage internal components or the screen.
6. Cara ngungkulan
| Masalah | Mungkin Cukang lantaranana | Solusi |
|---|---|---|
| Teu aya tampilan/Teu aya daya |
|
|
| No touch functionality |
|
|
| Layar kedip-kedip |
|
|
| Taya audio |
|
|
7. Spésifikasi
| Fitur | Rincian |
|---|---|
| merek | Prechen |
| Modél | HD-123-2S |
| Ukuran layar | 12.3 inci |
| Téknologi tampilan | IPS LCD |
| Resolusi | 1920 x 720 |
| Rasio Aspék | 8:3 (also listed as 4:3, but 1920x720 is 8:3) |
| Waktu Tanggapan | 5 Milidetik |
| Refresh Laju | 60 Hz |
| Viewdina Angle | 178 darajat |
| Panganteur Hardware | Mini HDMI, USB-C |
| Fitur husus | Portable, Touchscreen (10-point multi-touch) |
| Tipe Pamasangan | Desk Mount (VESA 75x75mm compatible) |
| Dimensi produk | 1.98 x 30.99 x 11.99 cm |
| Item Beurat | 907.18 g (approx. 1.1 IB as per image) |
8. Garansi jeung Rojongan
For warranty information, technical support, or service inquiries, please refer to the documentation provided with your purchase or contact Prechen customer service through their official website or the retailer where the product was purchased. Please have your model number (HD-123-2S) and purchase details ready when contacting support.




