1. Entwodiksyon
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. Pwodwi souview
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.
Pò ak kontwòl

Imaj: Gwo plan 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.
- Pò USB-C (x2): One port supports both video transmission and power delivery (full-featured USB 3.1). The other is for power only.
- HDMI Port: For video input.
- Jack ekoutè 3.5mm: Pou pwodiksyon odyo.
- Bouton pouvwa: Limen / fèmen monitè a.
- Bouton meni: Aksè meni Afichaj sou ekran (OSD) la.
- Bouton Retounen: Navigates back in the OSD menu.
- Kle rakoursi: Adjust brightness and volume directly.
3. Enstalasyon
Konekte monitè a
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.
- USB-C Connection (Single Cable):
- 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.
VESA Mounting
The monitor supports 75x75mm VESA mounting for flexible positioning.

Imaj: Dèyè a 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. Operasyon Enstriksyon
Power On/Off
- Press the Power Button to turn the monitor on.
- Press and hold the Power Button for 3 seconds to turn the monitor off.
Meni sou ekran an (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.
- Klate/Kontrast: Ajiste nivo luminans ak kontras ekran an.
- Anviwònman koulè: Modifye tanperati koulè, ton, ak saturation.
- Sous Antre: Manually select between USB-C and HDMI inputs if auto-detection fails.
- Anviwònman odyo: Adjust volume for the built-in speakers or connected headphones.
- Rapò aspè: Chanje rapò aspè ekspozisyon an si sa nesesè.
Mòd ekspozisyon
When connected to a computer, you can configure the display mode through your operating system's display settings:
- Mòd kopi: The monitor mirrors the content of your primary display.
- Pwolonje mòd: The monitor acts as an extension of your primary display, providing additional screen space.
- Second Screen Only: Only the portable monitor displays content.
5. Antretyen
- Netwaye ekran an: Sèvi ak yon ti moso twal mou, ki san pèl dampLave avèk dlo oswa yon pwodui netwayaj ekran. Pa flite pwodui netwayaj la dirèkteman sou ekran an.
- Netwayaj C aasing: Siye monitè a casinSiye ak yon twal mou epi sèk. Evite pwodui netwayaj abrazif.
- Depo: Lè w pa itilize monitè a pou yon bon bout tan, sere l nan yon kote ki fre epi sèk, lwen limyè solèy dirèk ak tanperati ekstrèm.
- Manyen: Manyen monitè a avèk prekosyon pou evite li lage oswa frape ekran an.
NAN. Depanaj
- Pa gen siyal:
- Asire ke tout câbles yo byen konekte.
- 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.
- Pa gen pouvwa:
- Check the power cable connection and the power source.
- Ensure the power adapter (if used) is functioning correctly.
- Ekran k ap flache:
- Check cable connections for looseness.
- Eseye yon lòt kab oswa yon lòt pò.
- Ensure your device's graphics drivers are up to date.
- Pa gen son:
- 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. Espesifikasyon

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.
| Karakteristik | Spesifikasyon |
|---|---|
| Nimewo Modèl | HD-123 |
| Gwosè ekran | 12.3 pous |
| Kalite Panel | IPS LCD |
| Rezolisyon | 1920 x 720 piksèl |
| Klète | 300 cd/m² (nits) |
| Pwopòsyon kontras | 1200:1 |
| Viewing Ang | 178° |
| Gamut koulè | 85% NTSC |
| Koulè Pwofondè | 8-bit (16.7 Million Colors) |
| Koneksyon | 2x USB-C (1 full-featured, 1 power-only), 1x HDMI |
| Odyo | Built-in Speakers, 3.5mm Headphone Jack |
| Montaj | 75x75mm VESA Compatible |
| Materyèl | Metal |
| Dimansyon pwodwi | 0.59 x 11.8 x 5.1 pous |
| Pwa atik | 2.14 liv |
8. Enfòmasyon sou Garanti
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. Sipò
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.
- Sipò sou entènèt: Visit the official Prechen websit pou FAQ ak resous sipò.
- Sipò Imèl: Gade anbalaj pwodwi a oswa kat garanti a pou jwenn imèl kontak la.




