1. Bubuka
This manual provides detailed instructions for the setup, operation, and maintenance of your Prechen 12.3-inch Portable Monitor, Model HD-123. Please read this manual thoroughly before using the product to ensure proper functionality and to prevent damage. Keep this manual for future reference.
2. Produk Langkungview
The Prechen HD-123 is a 12.3-inch IPS stretched bar display designed for use as a secondary monitor. It features a 1920x720 resolution, 300 nits brightness, 1200:1 contrast ratio, and 178° wide viewing angles. It includes built-in speakers and supports both USB-C and HDMI connectivity.
Palabuhan jeung kadali

Gambar: Deukeut view of the monitor's side, highlighting the 3.5mm headphone jack, power button, menu button, return button, and shortcut keys for brightness and volume. Two USB-C ports and one HDMI port are also visible.
- Port USB-C (x2): One port supports both video transmission and power delivery (full-featured USB 3.1). The other is for power only.
- Port HDMI: For video input.
- Jack Headphone 3.5mm: Pikeun kaluaran audio.
- Tombol Daya: Ngahurungkeun / mareuman monitor.
- Tombol Menu: Ngaksés menu Tampilan Dina Layar (OSD).
- Tombol mulang: Navigates back in the OSD menu.
- Potong kompas kenop: Adjust brightness and volume directly.
3. Setélan
Nyambungkeun Monitor
The monitor supports two primary connection methods: USB-C (single cable) and HDMI (with separate power).

Image: Illustration demonstrating how to connect the monitor using a single USB-C cable for both video and power, and an alternative method using an HDMI cable for video and a USB-A to USB-C cable for power.
- Sambungan USB-C (Kabel Tunggal):
- Ensure your device (laptop, smartphone, etc.) has a full-featured USB-C port that supports DisplayPort Alternate Mode and power delivery.
- Connect one end of the provided USB-C to USB-C cable to your device's USB-C port.
- Connect the other end of the USB-C to USB-C cable to the monitor's full-featured USB-C port. The monitor should automatically receive video signal and power.
- HDMI Connection (with separate power):
- Connect one end of an HDMI cable to your device's HDMI output.
- Connect the other end of the HDMI cable to the monitor's HDMI port.
- Connect the provided USB-A to USB-C power cable to a power source (e.g., wall adapter, laptop USB-A port) and the monitor's power-only USB-C port.
Pamasangan VESA
The monitor supports 75x75mm VESA mounting for flexible positioning.

Gambar: Tukangeun view of the monitor, indicating the 75x75mm VESA mounting pattern. A separate stand is shown next to it, demonstrating alternative placement options.
- Locate the four screw holes on the back of the monitor.
- Attach the monitor to a compatible 75x75mm VESA mount or arm using appropriate screws (not included).
4. Parentah Operasi
Daya Hurung/Pareuman
- Press the Power Button to turn the monitor on.
- Press and hold the Power Button for 3 seconds to turn the monitor off.
Menu dina layar (OSD).
Press the Menu Button to access the OSD menu. Use the shortcut keys (brightness/volume) to navigate and adjust settings. Press the Return Button to exit a submenu or the OSD menu.
- Caang/Kontras: Nyaluyukeun tingkat luminansi sareng kontras tampilan.
- Setélan warna: Robah suhu warna, hue, sareng jenuh.
- Sumber Input: Pilih sacara manual antara input USB-C sareng HDMI upami deteksi otomatis gagal.
- Setélan Audio: Adjust volume for the built-in speakers or connected headphones.
- Rasio Aspék: Change the display aspect ratio if needed.
Modeu tampilan
When connected to a computer, you can configure the display mode through your operating system's display settings:
- Mode duplikat: The monitor mirrors the content of your primary display.
- Manjangkeun Mode: The monitor acts as an extension of your primary display, providing additional screen space.
- Layar Kadua Hungkul: Only the portable monitor displays content.
5. Pangropéa
- Ngabersihan layar: Make kaen nu lemes, teu aya lint rada dampDieusian ku cai atanapi pembersih layar. Ulah menyemprot cleaner langsung kana layar.
- Ngabersihan Casing: Ngusap monitor casing with a soft, dry cloth. Avoid abrasive cleaners.
- Panyimpenan: Upami henteu dianggo salami lami, simpen monitor di tempat anu tiis sareng garing, jauh tina sinar panonpoé langsung sareng suhu anu ekstrim.
- Penanganan: Handle the monitor with care to avoid dropping or impacting the screen.
6. Cara ngungkulan
- Henteu aya sinyal:
- Pastikeun sadaya kabel disambungkeun aman.
- Verify that your device's USB-C port supports video output (DisplayPort Alt Mode) if using a single USB-C cable.
- If using HDMI, ensure the monitor is receiving power via the separate USB-C power cable.
- Try selecting the input source manually through the OSD menu.
- Henteu aya kakuatan:
- Check the power cable connection and the power source.
- Ensure the power adapter (if used) is functioning correctly.
- Layar kedip-kedip:
- Pariksa sambungan kabel pikeun looseness.
- Coba kabel atawa port béda.
- Pastikeun driver grafis alat anjeun tos diénggalan.
- Henteu aya sora:
- Adjust the volume through the monitor's OSD menu and your connected device.
- Ensure the audio output is directed to the monitor in your device's sound settings.
7. Spésifikasi

Image: Visual representation of the monitor's key features: 12.3-inch screen, 85% NTSC color gamut, Plug and Play functionality, 300 cd/m² brightness, 1920x720p resolution, 8-bit color, and 16.7M display colors.
| Fitur | Spésifikasi |
|---|---|
| Nomer modél | HD-123 |
| Ukuran layar | 12.3 inci |
| Tipe Panel | IPS LCD |
| Resolusi | 1920 x 720 piksel |
| Caang | 300 cd/m² (nits) |
| Babandingan Kontras | 1200:1 |
| Viewdina Angle | 178° |
| Warna Gamut | 85% NTSC |
| Jerona Warna | 8-bit (16.7 Million Colors) |
| Konektipitas | 2x USB-C (1 full-featured, 1 power-only), 1x HDMI |
| Audio | Built-in Speakers, 3.5mm Headphone Jack |
| Pamasangan | 75x75mm VESA Compatible |
| Bahan | logam |
| Dimensi produk | 0.59 x 11.8 x 5.1 inci |
| Item Beurat | 2.14 pon |
8. Émbaran jaminan
Prechen products are covered by a limited warranty against defects in materials and workmanship. The specific warranty period may vary by region and retailer. Please retain your proof of purchase for warranty claims. For detailed warranty terms and conditions, refer to the warranty card included with your product or contact customer support.
9. Rojongan
If you encounter any issues or have questions regarding your Prechen 12.3-inch Portable Monitor, please contact our customer support team. Provide your product model number (HD-123) and a detailed description of the issue for faster assistance.
- Dukungan Online: Visit the official Prechen websitus pikeun FAQs jeung sumber rojongan.
- Rojongan Email: Mangga tingali bungkus produk atanapi kartu garansi anjeun kanggo email kontak.




