Samsung Syncmaster S27a950 User Manual

71
Troubleshooting Guide
9
9 Troubleshooting Guide
"
Not Optimum Mode " is displayed. This message appears if the signal from the 
graphics card exceeds the maximum resolution or 
frequency for the product.
Change the maximum resolution and frequency to 
suit the product performance, referring to 
Standard Signal Mode Table (page 78).
The images on the screen look distorted. Check the cable connection to the product (Refer  to "3.3 Connecting and Using a PC")
The screen is not clear. The...

72
Troubleshooting Guide
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9 Troubleshooting Guide
The volume is too low.
 Adjust the volume.
If the volume is still low after turning it up to the 
maximum level, adjust th e volume on your PC 
sound card or software program.
Source device issue
A beeping sound is heard when my PC is booting. If a beeping sound is heard when your PC is  booting, have your PC serviced.
Sound issue
 

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Troubleshooting Guide
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9 Troubleshooting Guide
9.2 Q & A
QuestionAnswer
How can I change the 
frequency? Set the frequency on your graphics card.
zWindows XP: Select 
Control Panel Appearance and 
Themes Display Settings Advanced Monitor , 
and adjust  Refresh rate  under Monitor settings .
zWindows ME/2000: Select  Control Pane l Display  
Settings Advanced Monitor , and adjust Refresh rate  
under  Monitor settings .
zWindows Vista: Select  Control Panel Appearance and 
Personalization...

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Troubleshooting Guide
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9 Troubleshooting Guide
 Refer to the user manual for your PC or graphics card for further instructions on adjustment. 
How can I change the 
resolution?zWindows XP: Go to Control Panel Appearance and 
Themes Display Settings and adjust the resolution.
zWindows ME/2000: Go to Control Panel Display 
Settings  and adjust the resolution.
zWindows Vista: Go to  Control Panel Appearance and 
Personalization Personalize Display Settings  and 
adjust the resolution.
zWindows 7: Go to...

7510 Specifications
10 
Specifications
10.1 General
 The above specifications are subject to change without notice to improve quality. 
Model NameS23A950DS27A950D
LCD Panel  Size 23 inches (58cm) 27 inches (68cm) Display area 511.8 mm (H) x 288.3 mm (V) 20.1 inches (H) x 11.4 inches (V) 599.6 mm(H) x 337.7 mm (V)
23.6 inches (H) x 13.3 inches (V)
Synchroni
zation Horizontal 
Frequency 30~140khz
Vertical 
Frequency 50Hz, 100HZ, 120Hz
Display Color 16.7 M Color (Hi-FRC)
Resolution Optimum  resolution 1920...

76
Specifications
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10 Specifications
 This device is a Class B digital apparatus. 
[Recommendation] - EU Only
zHereby, Samsung Electronics, declares that this [Monitor] is in compliance with the essential 
requirements and other relevant provisions of Directive 1999/5/EC.
zThe official Declaration of Conformity may be found at http://www.samsung.com, go to Support > 
Search Product Support and enter the model name.
zThis equipment may be operated in all EU countries.
(USA only)
Dispose unwanted...

77
Specifications
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10 Specifications
10.2 PowerSaver
The power-saving function of this product reduces power consumption by switching off the screen and 
changing the color of the power LED if the product is not used for a specified period of time. The power 
is not turned off in power-saving mode. To switch the screen back on, press any key on the keyboard or 
move the mouse. Power-savign mode only functions when the product is connected to a PC with a 
power-saving function.
S23A950D
S27A950D
 zThe...

78
Specifications
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10 Specifications
10.3 Standard Signal Mode Table
 This product can be set to only one resolution for each screen size to obtain the optimum picture quality 
due to the nature of the panel. Therefore, a resolution other than the s\
pecified resolution may degrade 
the picture quality. To avoid this, it is recommended that you select the optimum resolution specified for 
the screen size of your product.
 
If a signal that belongs to the following standard sign al modes is transmitted...

79
Specifications
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10 Specifications
HDMI
Resolution
Horizontal 
Frequency(kH z)Vertical 
Frequency(Hz)Pixel 
Clock(MHz)Sync 
Polarity(H/V)
800 x 600 56 Hz 35.156
56.250 36.000 + / +
800 x 600 60 Hz 37.879
60.317 40.000 + / +
1024 x 768 60 Hz 48.363
60.004 65.000 - / -
1280 x 800 60 Hz 49.702
59.810 83.500 - / +
1280 x 960 60 Hz 60.000
60.000 108.000 + / +
1280 x 1024 60 Hz 63.981
60.020 108.000 + / +
1440 x 900 60 Hz 55.935
59.887 106.500 - / +
1680 x 1050 60 Hz 65.290
59.954 146.250 - / +
1920 x 1080...

80
Specifications
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10 Specifications
 zHorizontal Frequency
The time required to scan a single line from the left to the right side of the screen is called a 
horizontal cycle. The reciprocal number of a horizontal cycle is called horizontal frequency. 
Horizontal frequency is measured in kHz.
zVertical Frequency
Repeating the same picture dozens of times per second allows you to view natural pictures. The 
repeat frequency is called "vertical frequency"  or "refresh rate" and is...