9 Getting to know your monitor
BL2420U 1. Power switch
2. AC power input jack
3. DVI-D socket
4. HDMI-1 (1.4) socket
5. HDMI-2 (2.0) socket (*)(**)
6. DisplayPort socket (**)
7. Audio Line In
8. Headphone jack
9. USB 3.0 port (upstream;
connecting to the PC)
10. USB 3.0 port x 2 (downstream;
connecting to USB devices)
BL2420Z / BL2423 1. Power switch
2. AC power input jack
3. DisplayPort socket
4. DVI-D socket
5. D-Sub socket
6. Audio Line In
7. Headphone jack
8. USB 2.0 port (upstream;
connecting to the PC)
9. USB 2.0 port x 2 (downstream;
connecting to USB devices)
• *: HDMI-2 (2.0) only works with compatible graphic cards and devices.
Compatible issue may occur when the HDMI-2 (2.0) input port conducts with a HDMI 1.4 output port.
• **: Supports up to 3840 x 2160 @ 60 Hz.
• Above diagram may vary depending on the model.
• Picture may differ from product supplied for your region.