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HP DreamColor Z31x User Guide - Page 104

Support and troubleshooting, Solving common problems, Button lockouts

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6 Support and troubleshooting Solving common problems The following table lists possible problems, the possible cause of each problem, and the recommended solutions. Problem Possible Cause Solution Screen is blank or video is flashing. Power cord is disconnected. Power button is turned off. Connect the power cord. Press the Power button. NOTE: If pressing the Power button has no effect, press and hold the Power button for 10 seconds to disable the Power Button Lockout feature. Video cable is improperly connected. Connect the video cable properly. Refer to Connecting the cables on page 9 for more information. System is in sleep mode. Press any key on the keyboard or move the mouse to inactivate the screen blanking utility. Video card is incompatible. Open the OSD menu and select the Video input menu. Set Auto-switch source to Disable and manually select the input. Check Video Cable is displayed on the screen. Display video cable is disconnected. Connect the appropriate video signal cable between the computer and display. Be sure that the computer power is off while connecting the video cable. Input Signal Out of Range is displayed on the screen. Video resolution and/or refresh rate are set higher than what the display supports. Change the settings to a supported setting (see Preset display resolutions on page 98). The display is off but it did not seem to enter into a lowpower sleep mode. The display's power saving control is disabled. Open the OSD menu and select Management, select Autosleep mode, and then set auto-sleep to Put the display to sleep. OSD Lockout is displayed. The display's OSD Lockout function is Press and hold the bottom bezel button on the side panel for enabled. 10 seconds to disable the OSD Lockout function. Power Button Lockout is displayed. The display's Power Button Lockout feature is enabled. Press and hold the Power button for 10 seconds to unlock the Power button function. Button lockouts When the OSD menu window or Button Labels are not displayed, holding specific buttons down for ten seconds will allow the user to lock out different parts of the OSD's functionality. This is designed primarily as a stopgap measure to prevent inadvertent adjustments. A user can restore the functionality by holding the specific buttons down again for ten seconds. This functionality is only available when the display is powered and is displaying an active signal. Upon the engage or disengage of a lockout, a message is displayed to the user indicating the lockout engaged or disengaged. The following table lists the available lockouts and the buttons that must be held down to enable and disable the lockout. 94 Chapter 6 Support and troubleshooting

Section	Page
Getting Started	11
Important safety information	11
Product features and components	12
Features	12
Front panel controls	13
Rear and side components	14
Setting up the display	15
Use caution when setting up the display	15
Installing the display stand	15
Mounting the display	16
Locating the serial number and product number	17
Attaching an optional device to the rear of the display	18
Installing a security cable	18
Connecting the cables	19
Adjusting the display	23
Turning on the display	24
HP watermark and image retention policy	25
Connecting USB devices	25
Removing the display stand	26
Using the display	27
Software and utilities	27
The information file	27
The image color matching files	27
Installing the .INF and .ICM files	28
Installing from the disc	28
Downloading from the Internet	28
Updating the firmware	28
Selecting a color space preset	30
Adjusting luminance	30
Understanding image adjustment options	31
Video signal adjustments	31
Downstream RGB adjust	31
Use video levels (64–960)	31
Overscan the frame	32
Show only the blue channel	32
Using the aspect ratio management options	32
The “Fill To” options	32
Fill to source aspect ratio (proportional)	33
Fill to entire screen (non-proportional)	33
Fill to screen width (proportional)	33
Fill to screen height (proportional)	34
Pixel-for-pixel	35
True 2K pixel mapping	35
Using the “fill To” options	35
Digital cinema aspect ratio masking	36
Using the digital cinema aspect ratio masking options	36
Show entire DCI container	36
Mask to DCI 1.85:1 aspect ratio	36
Mask to DCI 2.39:1 aspect ratio	38
Show masked region	38
Set mask opacity	38
Working with markers	39
Film aspect ratio markers	39
16:9 aspect ratio markers	40
4:3 aspect ratio markers	41
Crosshair markers	42
Marker color	42
Custom markers	42
Marker element	42
Marker info element	43
Marker position element	43
Marker style element	43
Custom marker example	44
Using picture-in-picture (PIP) and 2×1 dual split	44
Adjusting the PIP image	45
Video legal (64–960)	45
Overscan to safe action	45
Digital cinema cropping	45
Renaming video inputs	45
Custom video input names	45
Video input element	46
Input info element	46
Custom video input name example	46
Using the KVM switch	46
How to connect computers to the display	47
How to bind the USB inputs to the video connections	47
To switch between connected computers	47
Customizing bezel buttons	48
Changing the bezel function buttons	48
Changing the bezel function button mode	49
Adjusting the bezel button LEDs	49
User presets	50
Creating and saving a user preset	51
Activating a user preset	51
Migrating user presets between displays	52
User presets element	52
User preset file	52
User preset example	52
Automatic input-based presets	52
Navigating the on-screen display menus	53
Color settings menu	53
Video input menu	55
Image adjustment menu	56
Split/PIP control menu	57
Load/save user preset	59
Calibration	59
Language menu	60
Management menu	61
Menu and message control menu	65
Information	66
Auto EDID update	67
Display calibration	68
Factory calibration	68
Preparing for calibration	68
Enabling the internal processor	68
Enabling calibration and external instruments	69
Calibration environment	69
Calibration frequency	70
Display warm-up from cold power on	70
Warm-up mode	71
Backlight stabilization after luminance change	71
User calibration methods	71
Menu-driven user calibration	72
Recalibration active preset	72
Configure and calibrate preset	72
Color preset	72
Color gamut	72
White point	73
Gamma/EOTF	73
Luminance	73
StudioCal XML calibration	74
Calibration automation	74
Scheduling automated calibrations	74
Viewing the calibration schedule	75
Using a StudioCal XML file for automation	75
Accessing automatic calibration validation information	75
Aligning the internal colorimeter to an external reference instrument	76
Automatically warming up the display at start of the day	76
Using external measurement instruments	77
Klein Instruments K10 and K10-A colorimeters	77
Configuration	77
Usage guidelines	78
Photo Research spectroradiometers	78
Configuration	78
Usage guidelines	79
Konica Minolta CA-310 colorimeter	79
Configuration	79
Usage guidelines	79
X-Rite i1Pro 2 spectrophotometers	80
Configuration	80
Usage guidelines	80
X-Rite i1Display Pro colorimeter	80
Configuration	80
Usage guidelines	80
Colorimetry Research CR-250 spectroradiometer	81
Configuration	81
Usage guidelines	81
Using the StudioCal XML schema	82
File name and disk format	82
Declaration	82
Comments	82
Root element	82
Calibration element	83
Calibration info element	83
Core calibration tags	83
Preset	83
Target_primaries	84
Gamma	85
Core calibration tag examples	85
ICC profile generation	86
Optional calibration tags	87
Measurement averaging	87
Set linear segment	87
Select Klein cal file	87
Contrast ratio limiting	87
Validation	88
Validation on/off	88
Validation pattern parent element	88
Validation pattern child element	88
Validation code example	88
Validation results file	89
LUT archiving, downloading and uploading	90
Archive LUT	90
Download LUT	90
Download LUT parent element	90
Download LUT child element	90
Download LUT example	91
Upload LUT	91
Upload LUT parent element	91
Upload LUT child element	91
Upload LUT example	92
LUT folder structure	92
Using non-supported measurement equipment	93
Making measurements with non-supported measurement equipment	94
Non-calibration elements	95
Custom video input names	95
Video input element	95
Input info element	95
Custom video input name example	96
Custom markers	96
Marker parent element	96
Marker info parent element	96
Marker position element	96
Marker style element	97
Custom marker example	97
User presets	98
User presets element	98
User preset file	98
User preset example	98
Display settings uploading and downloading	98
Remote management	100
Configuring remote management	100
Turning remote management on	100
Checking and setting the display’s IP address	100
Setting dashboard security	101
Logging in to the web dashboard for the first time	102
Logging into the web dashboard	102
Navigating the dashboard	103
Navigating between the different dashboard sections	103
Logging out of the dashboard	103
Support and troubleshooting	104
Solving common problems	104
Button lockouts	104
Product support	105
Preparing to call technical support	105
Maintaining the display	106
Maintenance guidelines	106
Cleaning the display	106
Shipping the display	106
Technical specifications	107
Preset display resolutions	108
Entering user modes	110
Energy saver feature	110
Accessibility	111
Supported assistive technologies	111

Match case Limit results 1 per page

Support and troubleshooting

Solving common problems

The following table lists possible problems, the possible cause of each problem, and the recommended

solutions.

Problem

Possible Cause

Solution

Screen is blank or video is

ﬂashing.

Power cord is disconnected.

Connect the power cord.

Power

button is turned

oﬀ.

Press the

Power

button.

NOTE:

If pressing the

Power

button has no

eﬀect,

press and

hold the

Power

button for 10 seconds to disable the Power

Button Lockout feature.

Video cable is improperly connected.

Connect the video cable properly. Refer to

Connecting the

cables

on page

for more information.

System is in sleep mode.

Press any key on the keyboard or move the mouse to

inactivate the screen blanking utility.

Video card is incompatible.

Open the OSD menu and select the

Video input

menu. Set

Auto-switch source

Disable

and manually select the input.

Check Video Cable

displayed on the screen.

Display video cable is disconnected.

Connect the appropriate video signal cable between the

computer and display. Be sure that the computer power is

oﬀ

while connecting the video cable.

Input Signal Out of Range

displayed on the screen.

Video resolution and/or refresh rate

are set higher than what the display

supports.

Change the settings to a supported setting (see

Preset display

resolutions

on page

The display is

oﬀ

but it did

not seem to enter into a low-

power sleep mode.

The display's power saving control is

disabled.

Open the OSD menu and select

Management

, select

Auto-

sleep mode

, and then set auto-sleep to

Put the display to

sleep

OSD Lockout

is displayed.

The display's OSD Lockout function is

enabled.

Press and hold the bottom bezel button on the side panel for

10 seconds to disable the OSD Lockout function.

Power Button Lockout

displayed.

The display's Power Button Lockout

feature is enabled.

Press and hold the

Power

button for 10 seconds to unlock the

Power

button function.

Button lockouts

When the OSD menu window or Button Labels are not displayed, holding

speciﬁc

buttons down for ten

seconds will allow the user to lock out

diﬀerent

parts of the OSD’s functionality. This is designed primarily as

a stopgap measure to prevent inadvertent adjustments. A user can restore the functionality by holding the

speciﬁc

buttons down again for ten seconds.

This functionality is only available when the display is powered and is displaying an active signal. Upon the

engage or disengage of a lockout, a message is displayed to the user indicating the lockout engaged or

disengaged.

The following table lists the available lockouts and the buttons that must be held down to enable and disable

the lockout.

Chapter 6

Support and troubleshooting