LED screen user manual
Contents
1. LedSync820B LED Video Image Processor USER S MANUAL bd bf wa ee RRR dah Ni mann LedSync820B User Manual l Safety Precautions Danger There is high voltage in the processor to prevent any unexpected hazard unless you are a maintenance please do not open the cover of the device Warning 1 This device shall not encounter water sprinkle or splash please do not place anything containing water on this device To prevent fire keep this device far from any fire source To keep good ventilation there shall be at least 20cm interval between frontal and rear panel of the device If this device gives out any strange noise smoke or smell please immediately unplug the power cord from receptacle and contact local dealer Please do not plug or unplug any signal cable when the device on power Caution 1 2 Please thoroughly read this manual before using this device and keep it well for future reference In the event of lighting or when you are not going to use the device for a long time please pull the power plug out of receptacle Nobody other than professional technicians can operate the device unless they have been appropriately trained or under guidance of technicians To prevent equipment damage or electric shock please don t fill in anything in the vent of the device Do not place the device near any water source or anywhere damp Do not place the device near any radiator or2. 7 Sync Mode select There are two output sync modes of LedSync820B and the default sync mode is Force when LedSync820B at factory With the default SyncMode of LedSync820B output as Force some VGA monitor maybe display flickerlingly or display nothing To get a steady image on these VGA monitor you must change the SyncMode from Force to Free following the procedures below 1 Select the SyncMode in the column Setup Select to enable the SyncMode column 2 Click the button Free in the column SyncMode to make the LedSync820B output as free sync mode Notes With the output sync mode as Free some flickering line maybe occur on the image To avoid this you must set the vertical start location of the output image in the column LED window setup as Vert_Str 0 8 Initialize the LedSync820B When the adjustment datas of LedSync820B be lost or be in confusion unfortunately the LedSync820B will not work ok and some adjustments can not be executed at the moment you must initialize the LedSync820B following the procedures below Click the button LED SETUP on the user interface enter the password 654898 in the dialog box enter into the interface as shown in figure 5 below LED VIDEO IMAGE PROCESSOR LedSync820B User s Manual LedSync820B Init This operation will initialize the LedSync620B are you sure s no Figure 5 Click YES t
3. Video Chrom FULL PART E per DI ar FULL LED SETUP EXT Figure 3 2 Operation Instructions Run LedSync820Bv203en exe the software will enter into user control interface as shown in figure 3 First of all select the COM port through which PC conncet to LedSync820B as shown in figure 3 COM1 is selected SOURCE_SELECT is the column for selecting input signal 8 buttons in this column act in the same operations with the corresponding buttons on LedSync820B frontal panel BRIGHTNESS is the column for selecting output image brightness 1 corresponds to the lowest brightness 8 corresponds to the highest brightness The operation of DEF in the column GAMMA Video Chrom is the same with DEF on LedSync820B frontal panel STD in the column GAMMA Video Chrom corresponds to STD on the panel FULL in the column PART FULL corresponds to FULL on the panel PART in the column PART FULL corresponds to PART on the panel LED VIDEO IMAGE PROCESSOR LedSync820B User s Manual V Operations of engineering setup 1 Interfaces of engineering setup Click the button LED SETUP on the user interface enter the password 123456 in the dialog box enter into the interface of engineering setup interface as shown in figure 4 below m LedSync820B Setup Setup Select Definition GAMMA VGASamplingPhase SyncMode Output Resolution Chr
4. one can change it 5 Video Chrom Hue Adjustment LedSync820B has been set to be exfactory standard video status generally it is unnecessary to make the following adjustment Engineering users can adjust video chrom and hue following the procedures below 10 Select the Video Chrom Hue in the column Setup Select to LED VIDEO IMAGE PROCESSOR LedSync820B User Manual enable the Video Chrom Hue column 2 Click the button DEF in the column DEF STD to enable the video input selection button 30 Select a valid video input to read the user defined datas stored in the LedSync820B and enable the adjustment scroll bar 4 Adjust the chrom and hue by clicking the corresponding scroll bar 5O Clicking Std button to recover the LedSync820B into the standard video chrom or hue value 6 VGA Sampling Phase Clock Adjustment To get a clarity VGA image sometimes you should adjust the VGA sampling phase following the procedures below 1 Select the VGA Sampling Phase in the column Setup Select to enable the VGA iN Sampling Clock Phase column 2 Click the button Read VGA iN status in the column VGA iN Sampling Clock Phase to read the current VGA input status 30 Click the Phase scroll bar to change the VGA sampling phase when the VGA image be displayed claritily the adjustment is ok 4 Generally the VGA sampling clock is unnecessary to change
5. 00 press the button saving in its right to save the value Enter the vertical start location of the output image in the column Vert Str as shown in figure 4 the value is set to be 100 press the button saving in its right to save the value Enter the vertical heigh of the output image in the column Vert Heigh Generally this value equal to the vertical lines of the LED screen as shown in figure 4 the value is set to be 300 press the button saving in its right to save the value 4 GAMMA value setup LedSync820B has been set with default GAMMA values at factory as GAMMA 1 unless otherwise set by engineering users no need to change the default setup Engineering users can define GAMMA values within 0 4 3 99 following the procedures below 10 2l SL 4 Select the GAMMA in the column Setup Select to enable the GAMMA column Select DEF in the column GAMMA Setup the moment the previous GAMMA vlaue in the LedSync820B will be read back After the reading we can enter a new desired GAMMA value in the column GAMMA Value If the value entered is 120 it means that actual GAMMA value is 120 100 1 2 Click the button Saving the prompt column will show Please waiting the moment control software is writing the new GAMMA value into LedSync820B when it is completed the prompt column will show ok STD is fixed at GAMMA 1 no
6. TV image be displayed claritily the adjustment is ok Notes when user has selected input signal if there are signal input in corresponding signal input ports and are in LedSync820B formats the indicator above corresponding button will be illumed However when there are no signal input in corresponding input ports or are not in the format that LedSync820B supports the indicator above corresponding button will blink and black will be displayed on the LED screen 2 Select Brightness BRT BRT LedSync820B supports 8 levels Brightness 1 corresponds to the lowest brightness 8 corresponds to the highest brightness Click the button Brt will decrease the brightness and Brt will increase the brightness LED VIDEO IMAGE PROCESSOR LedSync820B User Manual 30 Select GAMMA Video Chrom DEF STD DEF select user defined image parameters including GAMMA value Video Chrom and Hue which can be set through RS232 control port STD select a standard image status as GAMMA fixed at GAMMA 1 Video Chrom 32 and Video Hue 32 4 Select FULL PART display FULL PART FULL means that LED will display a full picture PART means that LED only display a part of a picture LED VIDEO IMAGE PROCESSOR LedSync820B User s Manual IV User operations through control software 1 Interfaces of user control software Fi SOURCE SELECT fe q ve C 4S Cow Dos C WRB va C DM BRIGHTNESS Miss A so mu a o GAMMA
7. anywhere under high temperature To prevent rupture or damage of power cords please handle and keep them well Please immediately unplug power cord and have the device repaired when 1 Liquid splashes to the device 2 The device is dropped down or cabinet is damaged 3 Obvious malpractice is found or performance degrades LED VIDEO IMAGE PROCESSOR LedSync820B User Manual II Connections of hardware 1 Rear view INPUT M o PUYU Figure 1 2 Port description 1 Signal input INPUT column LedSync820B supports 8 channel signal input including V1 V4 4 channel PAL NTSC system compound video input Y C 1 channel PAL NTSC system s video input VGA 1 channel computer analog signal input DVI 1 channel computer digital signal input YPbPr 1 channel high definition component signal input 2 Signal output VGA OUT 1 channel computer analog signal output it can be connected to a local display device and used as monitor Notes with the default SyncMode of LedSync820B output as Force some VGA monitor maybe display flickerlingly or display nothing To get a steady image on these VGA monitor you must change the SyncMode from Force to Free by RS232 software DVI OUT 1 channel computer digital signal output to drive the LED transmission card 30 Control signal RS232 IN RS232 serial communication input RS232 OUT RS232 serial communication output connected to the n
8. ext device with RS232 LED VIDEO IMAGE PROCESSOR LedSync820B User s Manual 3 Connectivity Diagram YPbPr 10801 720P RS232 E o Laptop PC O LedSync820B Setup Camera 000000 900 INPUT VGA tenet sees LALALE DVIOUT VGAQUT DVI vic LedSync820B OR Ethernet Transmitte o Ethernet 1 If Ethernet Transmitter Card Inside of LedSync820B RS232 IE YPbPr CVBS S Video Ethernet a LedSync820B Connectivity Diagram LED VIDEO IMAGE PROCESSOR LedSync820B User Manual lll Frontal panel operations 1 Diagram of frontal panel Figure 2 2 Button operations 1 Select input video source V1 V4 switch to V1 V4 CVBS input Y C switch to s video input VGA switch to computer analog signa input Notes to get clarity computer image you can click the VGA button 6 times continuously and then you can click VGA button again and again to change the computer image sampling phase when the computer image be displayed claritily the adjustment is ok DVI switch to computer digital signal input YPbPr switch to high definition component video signal input Notes to get clarity HDTV image you can click the YPbPr button 6 times continuously and then you can click YPbPr button again and again to change the HDTV image sampling phase when the HD
9. o initialize the LedSync820B and then shut off the power of the LedSync820B When power on LedSync820B again the LedSync820B will work with the default values at factory LED VIDEO IMAGE PROCESSOR LedSync820B User Manual VI Specs Inputs Nums Type 1x RGBHV 1x DVI 1x YPbPr HDTV 4x CVBS 1x Y C S Video Video system PAL NTSC CVBS Scope Inpedence 1V0 p pll 750 Y C Scope Inpedence YI 0 7V0 p_p0 7500 co 0 35V0 p pi 750 RGB DVI resolution 1280 x 1024D60Hz 1024x 768 60Hz 800 x 600 60Hz RGB Scope Inpedence 0 7 VO p_pl 750 YPbPr HDTV System 1280x 720p 60HZz 1920x 1080i 60Hz YPbPr HDTV Scope Inpedence YO 0 3V 40 7V0 p pi 750 Pb 0 35V 40 35V0 p pi 750 Pr 0 35V 0 35V p pl 750 Connectors RGBHV 15pin D Sub female DVI 2441 DVI_D YPbPr HDTV BNCx 3 CVBS BNC Y C 4pin mini DIN female Outputs Nums Type 1x RGBHV 1x DVI RGB DVI resolution 1024 x 768 60Hz RGB Scope Inpedence 0 7 VO p_pO 750 Connectors RGBHV 15pin D_Sub female DVIY 24 1 DVI_D Others Control RS 232 Panel Button Power 100 240VAC 50 60Hz 60W max Operating Temp 5 40 C Humidity 15 85 Size 60 mn high x 425mm widel x 280mni deep Weight 4 5 Kg LED VIDEO IMAGE PROCESSOR
10. om 7 EN om O i af cr ee ane Lae cule w De cs ee eeeeo stp avit VGA in Sampl Input Format O sus Clock m u Read VGA in Status Figure 4 2 Select COM port Select the COM port through which the PC connected to the LedSync820B as shown in figure 4 COM1 is selected 3 LED window setup To scale all the input video image just onto the the LED display screen engineering user should customize the size and the location of LedSync820B s output image 10 Select the LED Window Setup in the column Setup Select to enable the LED Window Setup column 2 Press FULL button in the column LED window setup shift output image of LedSync820B to be displayed in FULL mode 30 Select current output format of LedSync820B in the column LED VIDEO IMAGE PROCESSOR LedSync820B User s Manual 4 SL 6L 70 Output Resolution as shown in figure 4 XGA is selected At the same time this operation read back the LED window s size and location Enter the horizontal start location of the output image in the column Hori Str as shown in figure 4 the value is set to be 200 press the button saving in its right to save the value Enter the horizontal width value of the output image in the column Hori_Width Generally this value equal to the horizontal pixels of the LED screen as shown in figure 4 the value is set to be 4
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