HP LD4220tm and LD4720tm Digital Signage Touch Displays

Connecting to external devices
1. Be sure that the display, media player/computer, and all attached devices are turned off.
2. Connect the signal input cable.
For additional information, refer to one of the following signal input cable sections:
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Connecting RGB on page 21
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Connecting DisplayPort (480p/576p/720p/1080i/1080p) on page 22
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Connecting HDMI (480p/576p/720p/1080i/1080p) on page 22
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Connecting LAN on page 24
3. Connect the audio cable (sold separately) to the Audio (RGB/DVI) (1) connector on the rear of
the display and the other end to the Line Out port (2) on the media player/computer if the video
signal connection is from either a RGB (VGA) or DVI connector on the media player/computer.
Figure 3-21 Connecting the audio cable
1
2
NOTE: The ferrite core can be used to reduce electromagnetic waves when connecting an
audio cable. Fit the ferrite core to the audio cable. The ferrite core needs to be separated from
the mold by 5 cm (2 in).
ENWW Connecting to external devices 19