1. Uvod
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. Izdelek je končanview
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.
Vrata in kontrole

Slika: Bližnji posnetek 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.
- Vrata USB-C (x2): One port supports both video transmission and power delivery (full-featured USB 3.1). The other is for power only.
- Vrata HDMI: For video input.
- 3.5 mm priključek za slušalke: Za avdio izhod.
- Gumb za vklop: Vklopi/izklopi monitor.
- Gumb menija: Dostopi do menija na zaslonu (OSD).
- Gumb za vrnitev: Navigates back in the OSD menu.
- Tipke za bližnjice: Adjust brightness and volume directly.
3. Nastavitev
Priključitev monitorja
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 pritrditev
The monitor supports 75x75mm VESA mounting for flexible positioning.

Slika: Zadnji del 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. Navodila za uporabo
Vklop/izklop
- Press the Power Button to turn the monitor on.
- Press and hold the Power Button for 3 seconds to turn the monitor off.
Zaslonski meni (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.
- Svetlost/kontrast: Prilagodite raven svetlosti in kontrasta zaslona.
- Barvne nastavitve: Spremeni barvno temperaturo, odtenek in nasičenost.
- Vir vhoda: Manually select between USB-C and HDMI inputs if auto-detection fails.
- Nastavitve zvoka: Prilagodite glasnost vgrajenih zvočnikov ali priključenih slušalk.
- Razmerje stranic: Po potrebi spremenite razmerje stranic zaslona.
Načini prikaza
Ko je naprava povezana z računalnikom, lahko način prikaza konfigurirate v nastavitvah zaslona operacijskega sistema:
- Način podvajanja: The monitor mirrors the content of your primary display.
- Razširjeni način: The monitor acts as an extension of your primary display, providing additional screen space.
- Samo drugi zaslon: Only the portable monitor displays content.
5. Vzdrževanje
- Čiščenje zaslona: Uporabite mehko krpo, ki ne pušča vlaken, dampz vodo ali čistilom za zaslone. Čistila ne pršite neposredno na zaslon.
- Čiščenje C-jaasing: Obrišite monitor casinz mehko, suho krpo. Izogibajte se abrazivnim čistilom.
- Shranjevanje: Ko monitorja dalj časa ne uporabljate, ga shranite na hladnem in suhem mestu, stran od neposredne sončne svetlobe in ekstremnih temperatur.
- Ravnanje: Handle the monitor with care to avoid dropping or impacting the screen.
6. Odpravljanje težav
- Brez signala:
- Prepričajte se, da so vsi kabli dobro povezani.
- 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.
- Brez napajanja:
- Check the power cable connection and the power source.
- Ensure the power adapter (if used) is functioning correctly.
- Utripajoči zaslon:
- Check cable connections for looseness.
- Poskusite z drugim kablom ali vrati.
- Ensure your device's graphics drivers are up to date.
- Ni zvoka:
- 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. Specifikacije

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.
| Funkcija | Specifikacija |
|---|---|
| Številka modela | HD-123 |
| Velikost zaslona | 12.3 palcev |
| Vrsta plošče | IPS LCD |
| Resolucija | 1920 x 720 slikovnih pik |
| Svetlost | 300 cd/m² (nit) |
| Kontrastno razmerje | 1200:1 |
| Viewkota | 178° |
| Barvna lestvica | 85 % NTSC |
| Barvna globina | 8-bit (16.7 Million Colors) |
| Povezljivost | 2x USB-C (1 full-featured, 1 power-only), 1x HDMI |
| Avdio | Built-in Speakers, 3.5mm Headphone Jack |
| Montaža | 75x75mm VESA Compatible |
| Material | Kovina |
| Dimenzije izdelka | 0.59 x 11.8 x 5.1 palcev |
| Teža predmeta | 2.14 funtov |
8. Informacije o garanciji
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. Podpora
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.
- Spletna podpora: Visit the official Prechen webspletno mesto za pogosta vprašanja in vire za podporo.
- Podpora po e-pošti: Za kontaktni e-poštni naslov glejte embalažo izdelka ali garancijski list.