Brand: PHILIPS
Category: Electronics
Document Type: Manual
Language: EN
Available Languages: EN , ES
Manual for 346P1
Uploaded: Nov. 21, 2025, 8:56 p.m.
Warranty Information
Philips guarantees displays with an unacceptable number of pixel defects will be repaired or replaced under warranty.
Monitor Setup
1. Installation: Unpack all contents. Connect Stand/Base, I/O Cover, and Power adapter. Connect DP or HDMI cables as needed.
2. Base Installation: Place monitor face down on a cushion. Attach the stand to the VESA mount area until it latches. Secure the base with screws. Carefully erect the monitor.
3. Connecting to PC: Connect the power cord. Turn off and unplug your computer. Connect the monitor signal cable. Plug in power cords. Slide the I/O cover into place. Turn on your computer and monitor.
4. USB C Driver Installation: Install LAN driver for RJ45 if needed. Reboot computer after installation.
5. USB Hub: USB ports are disabled during Standby/Off. Enable "USB standby mode" in OSD to keep USB function ON.
6. USB Charging: Monitor must be powered ON. Enable "USB Standby Mode" to ON for charging in sleep/standby mode.
Operating the Monitor
Control Buttons: Power ON/OFF, Access OSD menu, Adjust OSD, User preference key, Change signal source, Return to previous OSD level, SmartImage hotkey.
Webcam: Pops up for Windows Hello facial recognition. Enable via KVM section in OSD menu.
MultiClient Integrated KVM: Control two PCs with one set of peripherals. Switch sources via OSD menu.
MultiView: View multiple content sources simultaneously. Choose PIP or PBP mode via OSD menu.
Image Optimization
SmartImage: Presets optimize display for different content (EasyRead, Office, Photo, Movie, Game, Economy, LowBlue Mode, SmartUniformity, Off). Select via hotkey.
SmartContrast: Dynamically optimizes contrast and backlight for visual clarity.
Troubleshooting and error codes
| Problem | Solution |
|---|---|
| No Picture (Power LED not lit) | Ensure power cord is plugged in. Turn power button ON. |
| No Picture (Power LED is White) | Ensure computer is ON. Check signal cable connection. Check for bent pins. Energy Saving feature might be activated. |
| Screen says "Check cable connection" | Ensure display cable is properly connected. Check for bent pins. Ensure computer is ON. |
| Visible signs of smoke or sparks | Disconnect power immediately. Contact customer service. |
| Image appears blurred, indistinct or too dark | Adjust contrast and brightness in OSD. |
| "After-image", "burn-in", or "ghost image" remains | Activate screen saver or periodic screen refresh. Damage from failure to do so is not covered by warranty. |
| Image appears distorted. Text is fuzzy or blurred. | Set PC's display resolution to the monitor's recommended native resolution. |
| Green, red, blue, dark, and white dots appear | These are normal characteristics of liquid crystal. Refer to pixel policy. |
| "Power on" light is too strong | Adjust "power on" light using OSD Setup in Main Controls. |