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HP LD4245tm User Guide - Page 74

Troubleshooting

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10 Troubleshooting Touch screen troubleshooting Cause Solution Computer does not recover from Sleep mode when the touch Sleep mode recovery is not supported by the touch screen. screen is touched. Use the keyboard or mouse to recover from Sleep mode. The USB cable is quickly removed from the display and reinserted, and the touch function is lost. Windows takes a minimum amount of time to adjust system parameters when a USB device is either removed or connected. Try removing the USB cable again, wait for at least five seconds, and then plug it in again. Multi-touch gestures do not function on Windows 7 Home Basic or Starter editions, or Windows Vista. Only Windows 7 Home Premium, Professional, Enterprise, and Ultimate editions support multi-touch gestures The Start, Close, and other icons are too small to touch with a finger. Windows 8 and Windows 7 provides a large icon feature that supports touch screen functions. This feature can be accessed in the Control Panel. Touch operation does not function properly on lower resolution video modes that are not displayed in full screen. Although the display supports a fill-to-aspect ratio function, the touch controller does not know how to respond to lessthan-full screen images. Either change the resolution to 1920 x 1080, or access the OSD menu and select 16:9 aspect ratio or Just Scan. A single touch is recognized as two touches. If using a paint tool, a single finger creates two lines. The touch controller has a limitation on the size of the "touch" area. A fingertip touch usually works better than a flat forefinger or thumb touch. When the display used is in a multi-screen configuration, the The USB connection is only capable of operating a single touch function on the secondary displays do not work. touch screen display. Touch point accuracy is poor. Touch accuracy is optimized by using full screen mode. The display should be adjusted to 16:9 aspect ratio or Just Scan. Adjust the aspect ratio to Just Scan if in DTV input (DisplayPort or HDMI). Touch operation does not function. Check the USB cable between the display (Touch USB) connector and the computer running Windows 8 or Windows 7. The display must be set as primary display in Windows. 5 point touch-points are not detected in Windows 7 or 8. Restart your computer or try removing the USB cable, wait for at least 5 seconds, and then plug it in again. No image is displayed. Cause Is the product power cord connected? Does the 'Out of range' message appear? Solution See if the power cord is properly connected to the outlet. The signal from the computer (video card) is out of the vertical or horizontal frequency range of the product. Adjust the frequency range using the following specifications: Maximum resolution RGB : 1920 x 1080 @ 60 Hz 64 Chapter 10 Troubleshooting

Section	Page
Product features	11
HP Digital Signage models	11
Accessories	12
Optional accessories	12
Safety and maintenance guidelines	13
Important safety information	13
Maintenance guidelines	13
Cleaning the display	14
Assembling and preparing	15
Using the IR receiver	16
Portrait layout	17
Using the security system	17
Mounting the display on a wall	17
Remote control	19
Remote control buttons	20
Using the display	22
Connecting the display to a Digital Signage media player or computer	22
RGB/VGA connection	23
DisplayPort connection	24
HDMI connection	25
Touch USB cable connection	26
IR receiver connection	27
LAN/VOE connection	28
Connecting the display using LAN/VOE	28
Connecting multiple displays to one player	29
Connecting multiple displays with Video Over Ethernet (VOE)	29
Connecting multiple displays with Tile Mode	29
Adjusting the screen	32
Selecting an image mode	32
Customizing image options	32
Customizing computer display options	33
Adjusting sound	33
Selecting a sound mode	33
Customizing sound options	34
Using additional options	34
Using the input list	34
Input label adjustment	34
Selecting input labeling	34
Adjusting aspect ratio	35
16:9 : This selection will allow you to adjust the picture horizontally, in linear proportion, to fi ...	36
Just Scan : This selection will allow you to view the best quality picture without loss of the origi ...	36
1:1 : The original’s aspect ratio is not adjusted. (Only Display Port PC, HDMI PC, RGB PC)	36
4:3 : This selection will allow you to view a picture with an original 4:3 aspect ratio. Black bars ...	37
Zoom : This selection will allow you to view the picture without any adjustment, while filling the e ...	37
Cinema Zoom : Choose Cinema Zoom when you want to enlarge the picture in correct proportion. Note: W ...	37
Customizing settings	38
Accessing main menus	38
PICTURE settings	39
Picture Mode options	40
Advanced control	40
AUDIO settings	41
TIME settings	42
OPTION settings	43
Picture ID	48
NETWORK settings	49
Making connections	50
Connecting to a Computer, HD receiver, DVD, or VCR	51
DisplayPort connection	51
HDMI connection	52
Component connection	53
Connecting to the LAN	54
Connecting to a USB	54
Daisy chain displays	55
Setting up the display for music, videos, and photos	56
Network status	58
Connecting USB storage devices	58
Browsing files	60
Supported file format	61
Playing videos	62
Viewing photos	65
Listening to music	67
Using PIP/PBP	69
Operating the touch screen	71
Installing the touch software	71
Microsoft Windows 8/ Windows 7(plug and play)	71
Using the touch screen	71
To use the touch screen on Windows 8	71
To use the touch screen on Windows 7	72
Troubleshooting	74
Specifications	77
41.92-inch (106.5-cm) model	77
Dimensions	78
46.96-inch (119.3-cm) model	79
Dimensions	80
Recognizing preset display resolutions	81
DTV mode	82
IR codes	82
Agency regulatory notices	84
Federal Communications Commission notice	84
Modifications	84
Cables	84
Declaration of Conformity for products marked with the FCC logo (United States only)	84
Canadian notice	85
Avis Canadien	85
European Union regulatory notice	85
German ergonomics notice	86
Japanese notice	86
Korean notice	86
Power cord set requirements	86
Japanese power cord requirements	86
Product environmental notices	87
California Perchlorate Material Notice	87
Materials disposal	87
Disposal of waste equipment by users in private households in the European Union	87
Chemical substances	87
HP recycling program	87
Restriction of Hazardous Substances (RoHS)	87
India restriction of hazardous substances (RoHS)	88
Turkey EEE regulation	89
Ukraine Restriction of Hazardous Substances	89
Taiwan Battery Disposal Warning	89
Controlling multiple products	90
Connecting the cable	90
RS-232C configurations	90
Communication parameter	91
Command reference list	91
Transmission / Receiving protocol	93
Transmission	93
Acknowledgement	93
01. Power (Command: k a)	93
02. Input Select (Command: k b)	94
03. Aspect Ratio (Command: k c)	94
04. Energy Saving (Command: f l)	95
05. Picture Mode (Command: d x)	95
06. Contrast (Command: k g)	95
07. Brightness (Command: k h)	96
08. Sharpness (Command: k k)	96
09. Color Temperature (Command: k u)	96
10. Auto Configuration (Command: j u)	96
11. Balance (Command: k t)	97
12. Sound Mode (Command: d y)	97
13. Treble (Command: k r)	97
14. Bass (Command: ks)	97
15. Speaker (Command: d v)	98
16. Volume Mute (Command: k e)	98
17. Volume Control (Command: k f)	98
18. Time (Command: f a)	98
19. Off Timer(On/Off Timer Time (Command: f e)	99
20. On Timer(On/Off Timer) Time (Command: f d)	100
21. Sleep Time (Command: f f)	102
22. Power On Delay (Command: f h)	102
23. Language (Command: f i)	103
24. ISM method (Command: j p)	103
25. Reset (Command: f k)	103
26. Tile Mode (Command: d d)	104
27. Tile ID Set (Command: d i)	104
28. Tile H Position (Command: d e)	104
29. Tile V Position (Command: d f)	105
30. Tile H Size (Command: d g)	105
31. Tile V Size (Command: d h)	105
32. Natural Mode (In Tile Mode) (Command : d j)	106
33. DPM Select (Command: f j)	106
34. Temperature Value (Command: d n)	106
35. Remote Controller Lock/ Key Lock (Command: k m)	107
36. Key (Command: m c)	107
37. OSD Select (Command: k l)	107
38. Operating time return (Command: d l)	108
39. Serial No. (Command: f y)	108
40. S/W Version (Command: f z)	108
41. Backlight (Command: m g)	108
42. Display Name (Command: v a)	109
43. Abnormal State (Command: k z)	109
44. Display Location (Command: v b)	110
45. Player Name (Command: v d)	110
46. DHCP (VOE) (Command: v e)	110
47. Scheduling Input Select (Command : f u) (Main Picture Input)	111
48. IP Address, VOE Setup (Command: v f)	111
49. Auto Detection (Command: f g)	111
50. Subnet mask, VOE Setup (Command: v g)	112
51. IP Address, NSM Setup (Command: v k)	112
52. Mac Address, VOE Setup (Command: v h)	112
53. Check VOE Availability (Command: v i)	113
54. Mac Address, NSM setup (Command: v j)	113

Match case Limit results 1 per page

Troubleshooting

Touch screen troubleshooting

Cause

Solution

Computer does not recover from Sleep mode when the touch

screen is touched.

Sleep mode recovery is not supported by the touch screen.

Use the keyboard or mouse to recover from Sleep mode.

The USB cable is quickly removed from the display and

reinserted, and the touch function is lost.

Windows takes a minimum amount of time to adjust system

parameters when a USB device is either removed or

connected. Try removing the USB cable again, wait for at

least five seconds, and then plug it in again.

Multi-touch gestures do not function on Windows 7 Home

Basic or Starter editions, or Windows Vista.

Only Windows 7 Home Premium, Professional, Enterprise,

and Ultimate editions support multi-touch gestures

The Start, Close, and other icons are too small to touch with

a finger.

Windows 8 and Windows 7 provides a large icon feature that

supports touch screen functions. This feature can be

accessed in the Control Panel.

Touch operation does not function properly on lower

resolution video modes that are not displayed in full screen.

Although the display supports a fill-to-aspect ratio function,

the touch controller does not know how to respond to less-

than-full screen images. Either change the resolution to 1920

x 1080, or access the OSD menu and select 16:9 aspect

ratio or

Just Scan

A single touch is recognized as two touches. If using a paint

tool, a single finger creates two lines.

The touch controller has a limitation on the size of the “touch”

area. A fingertip touch usually works better than a flat

forefinger or thumb touch.

When the display used is in a multi-screen configuration, the

touch function on the secondary displays do not work.

The USB connection is only capable of operating a single

touch screen display.

Touch point accuracy is poor.

Touch accuracy is optimized by using full screen mode. The

display should be adjusted to 16:9 aspect ratio or

Just Scan

Adjust the aspect ratio to

Just Scan

if in DTV input

(DisplayPort or HDMI).

Touch operation does not function.

Check the USB cable between the display (Touch USB)

connector and the computer running Windows 8 or Windows

7. The display must be set as primary display in Windows.

5 point touch-points are not detected in Windows 7 or 8.

Restart your computer or try removing the USB cable, wait

for at least 5 seconds, and then plug it in again.

No image is displayed.

Cause

Solution

Is the product power cord connected?

See if the power cord is properly connected to the outlet.

Does the 'Out of range' message appear?

The signal from the computer (video card) is out of the

vertical or horizontal frequency range of the product. Adjust

the frequency range using the following specifications:

Maximum resolution RGB : 1920 x 1080 @ 60 Hz

Chapter 10

Troubleshooting