HANNspree HF-257 User Manual Download Page 19

                                                                                                                                       

User’s Manual

   

19 

TECHNICAL SUPPORT (FAQ) 

Q & A FOR GENERAL PROBLEMS 

PROBLEM & QUESTION 

POSSIBLE SOLUTION 

Power LED is not on 

*Check if the Power Switch is in the ON position. 
*Power Cord should be connected. 

No Plug & Play 

*Check if the PC system is Plug & Play compatible. 
*Check if the Video Card is Plug & Play compatible. 
*Check if any plug pins on the VGA or DVI 

connector are bent. 

The display is too dark or too bright. 

*Adjust the Contrast and Brightness Controls. 

Picture bounces or a wave pattern is 
present in the picture 

*Move electrical devices that may cause electrical 

interference. 

The power LED is ON (orange) but 
there’s no video or no picture. 

*Computer Power Switch should be in the ON 

position. 

*Computer Video Card should be snugly seated in its 

slot. 

*Make sure monitor’s video cable is properly 

connected to the computer. 

*Inspect monitor’s video cable and make sure none 

of the pins are bent. 

*Make sure computer is operational by hitting the 

CAPS LOCK key on the keyboard while observing 
the CAPS LOCK LED. The LED should either turn 
ON or OFF after hitting the CAPS LOCK key. 

Missing one of the primary colors (RED, 
GREEN, or BLUE) 

*Inspect the monitor’s video cable and make sure that 

none of the pins are bent. 

Screen image is not centered or sized 
properly. 

* Adjust pixel frequency CLOCK and PHASE or 

press hot-key 

( i Button)

.

 

Picture has color defects 

(White does not look white)

 

*Adjust RGB color or select color temperature.

 

The screen resolution needs to be adjusted

*Use win 2000/ME/XP Right click anywhere on 

desktop and select

 Properties

>

Settings

>

Screen 

Resolution

. Use the silder to adjust the reslution 

and click 

Apply.

 

No sound is outputted from monitor’s 
built-in speaker 

*Make sure PC audio output cable is connected to 

screen’s LINE IN port (or AUDIO IN port). 

*Make sure the sound volume adjustment can be 

clearly identified. 

*Make sure the 

System

 > 

Silence

 option in the 

monitor menu is on. 

*While transferring via HDMI port but no sound is 

outputted, it is recommended to select AUDIO 

Summary of Contents for HF-257

Page 1: ...25 HF257 Liquid Crystal Display...

Page 2: ...ing the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation betwe...

Page 3: ...both for the user and the environment Electrical safety Emissions Low electromagnetic fields surrounding the display Ecology Product is designed for recycling Manufacturer must have a certified enviro...

Page 4: ...recycling of industrial technology devices at the end of life These devices contain recyclable materials which can be re decomposed and re integrated into brand new marvels On the contrary other mate...

Page 5: ...CONTENTS OF THE PACKAGE 8 INSTALLATION INSTRUCTIONS 9 POWER 9 MAKING CONNECTIONS 10 ADJUSTING THE VIEWING ANGLE 11 OPERATING INSTRUCTIONS 12 GENERAL INSTRUCTIONS 12 FRONT PANEL CONTROL 13 HOW TO ADJU...

Page 6: ...rer and follow the kit instructions Slots and openings in the back and bottom of the cabinet are provided for ventilation To ensure reliable operation of the monitor and to protect it from overheating...

Page 7: ...all of the time Due to the nature of the LCD screen an afterimage of the previous screen may remain after switching the image when the same image is displayed for hours In this case the screen is rec...

Page 8: ...ions 1920X1080 60Hz EPA ENERGY STAR GP Green Product Ergonomic Design Space Saving Compact Case Design CHECKING THE CONTENTS OF THE PACKAGE The product package should include the following items LCD M...

Page 9: ...base of the screw 5 Check the underside of the stand to ensure that the monitor has been firmly installed to the stand and that the screws do not loosen REMOVAL 1 Turn the monitor over and set it upsi...

Page 10: ...to DVI D cable Dual input mode optional to the back of the monitor and connect the other end to the computer s DVI D port 3 Connect the audio cable between the monitor s audio input and the PC s audi...

Page 11: ...Hold the stand so you do not topple the monitor when you change the monitor s angle You are able to adjust the monitor s angle from 0 to 20 Figure 3 Monitor Angle NOTES Do not touch the LCD screen whe...

Page 12: ...he picture can be adjusted to your personal preferences The power cord should be connected Connect the Signal cable from the monitor to the VGA card Press the power button to turn on the monitor The p...

Page 13: ...Button Digital Input Models 1 Press i to enter Source selections Selections include VGA HDMI etc The actual selections may very depending on the models This function is only available in models with...

Page 14: ...to direct sunlight or excessive dust or mechanical vibration or shock Save the original shipping box and packing materials as they will come in handy if you ever have to ship your monitor For maximum...

Page 15: ...the AUTO SEARCH option to activate or deactivate the automatic signal search function For DVI HDMI Input only COLOR SETTING WARM NATURE 6500K COOL Adjust the color temperature value of the display ac...

Page 16: ...cut off slightly around the edge choose PC MODE to view videos with complete image VIDEO MODE only functions for inputs from HDMI or DVI that supports HDCP video YUV format RESPONSE TIME Setup the dis...

Page 17: ...lume level Enter the option and adjust the level The availability of this function depends upon the selected model By high volume risk of hearing damage exists MUTE Select the MUTE option to switch th...

Page 18: ...This monitor meets the Green monitor standards as set by the Video Electronics Standards Association VESA and or the United States Environmental Protection Agency EPA and The Swedish Confederation Em...

Page 19: ...Make sure computer is operational by hitting the CAPS LOCK key on the keyboard while observing the CAPS LOCK LED The LED should either turn ON or OFF after hitting the CAPS LOCK key Missing one of the...

Page 20: ...User s Manual 20 INPUT as a PC option and make sure PC audio output cable is connected to monitor s LINE IN port or AUDIO IN port For HDMI Input only...

Page 21: ...REMARK 1 640 350 70Hz VGA 2 640 400 56Hz VGA 3 640 400 70Hz VGA 4 640 480 60Hz VGA 5 640 480 67Hz MAC 6 640 480 70Hz VGA 7 640 480 72Hz VGA 8 640 480 75Hz VGA 9 720 400 70Hz VGA 10 720x480 60Hz VGA 1...

Page 22: ...60Hz WSXGA 38 1920 1080 60Hz Video mode MODE RESOLUTION 1 720x480i 60 Hz 2 720x480p 60Hz 3 720x576i 50Hz 4 720x576p 50Hz 5 1280x720p 50Hz 6 1280x720p 60Hz 7 1920x1080i 50Hz 8 1920x1080i 60Hz 9 1920x1...

Page 23: ...ower 1 0W rms Per channel Input Terminal VGA HDMI Maximum Screen Size Hor 543 46mm Ver 305 69mm Power Source 100 240VAC 50Hz 60Hz Environmental Considerations Operating Temp 5 to 35 C Storage Temp 20...

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