HP LD4220tm and LD4720tm Digital Signage Touch Displays

Table B-1 Specifications (continued)
LD4220tm LD4720tm
Resolution—
maximum
RGB 1920 x 1080 @ 60 Hz 1920 x 1080 @ 60 Hz
HDMI/DVI 1920 x 1080 @ 60 Hz
(if supported by OS or video card type)
1920 x 1080 @ 60 Hz
(if supported by OS or video card type)
DisplayPort 1920 x 1080 @ 60 Hz
(if supported by OS or video card type)
1920 x 1080 @ 60 Hz
(if supported by OS or video card type)
Resolution—
recommended
RGB 1920 x 1080 @ 60 Hz 1920 x 1080 @ 60 Hz
HDMI/DVI 1920 x 1080 @ 60 Hz
(if supported by OS or video card type)
1920 x 1080 @ 60 Hz
(if supported by OS or video card type)
DisplayPort 1920 x 1080 @ 60 Hz
(if supported by OS or video card type)
1920 x 1080 @ 60 Hz
(if supported by OS or video card type)
Horizontal frequency RGB 30–83 kHz 30–83 kHz
HDMI/DVI 30–83 kHz 30–83 kHz
DisplayPort 30–83 kHz 30–83 kHz
Vertical frequency RGB 56–75 Hz 56–75 Hz
HDMI/DVI 56–60 Hz 56–60 Hz
DisplayPort 56–60 Hz 56–60 Hz
Synchronization type Separate/Digital Separate/Digital
Input connector 15-pin D-Sub type, HDMI/DVI (digital),
RS-232C, DisplayPort, USB, LAN
15-pin D-Sub type, HDMI/DVI (digital),
RS-232C, DisplayPort, USB, LAN
Environmental
conditions
Operating
temperature
0° ~ 35°C
Humidity 10% to 80%
0° ~ 35°C
Humidity 10% to 80%
Storage temperature –20° to 60°C
Humidity 20% to 80%
–20° to 60°C
Humidity 20% to 80%
Audio (select models) RMS audio output 10 W + 10 W (R + L) 10 W + 10 W (R + L)
Input sensitivity 0.7 Vrms 0.7 Vrms
Speaker impedance 8 Ohms 8 Ohms
54 Appendix B Technical specifications ENWW