VDWALL LVP615 LED Video Processor User Manual LVP605
Shenzhen VDWALL Co., Ltd LED Video Processor LVP605
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LVP615 User Manual LVP615 LED HD Video Processor User Manual V1.0 LVP615 User Manual Contents Chapter 1: Safety precautions-------------------------------------------------- 4 Chapter 2: Item list -------------------------------------------------------------------- 5 Chapter 3: Hardware connection 3.1 3.2 3.3 3.4 3.5 Rear view----------------------------------------------------------------------- 6 Port description----------------------------------------------------------------- 6 Hardware connection diagram----------------------------------------------- 8 Specifications---------------------------------------------------------------------9 Product dimensions------------------------------------------------------------11 Chapter 4: Front panel and remote control instructions 4.1 Front panel buttons and remote control schematic----------------------- 13 4.2 Remote control operation instructions---------------------------------------- 15 Chapter 5: Basic user instructions 5.1 Input signals selection ---------------------------------------------------------- 17 5.2 PIP/PBP operation--------------------------------------------------------------- 21 5.3 Mosaic operation----------------------------------------------------------------- 22 5.4 Other basic user operation----------------------------------------------------- 23 Chapter 6: Setup menu instructions 6.1 Output image setting------------------------------------------------------------ 26 6.2 Input video signal setting------------------------------------------------------- 30 6.3 Text overlay setting-------------------------------------------------------------- 33 6.4 Image quality setting------------------------------------------------------------ 35 6.5 Audio setting----------------------------------------------------------------------- 36 6.6 Communication setting---------------------------------------------------------- 37 6.7 Language setting------------------------------------------------------------------ 38 6.8 Advance setting------------------------------------------------------------------- 49 6.9PIP/PBP setting-------------------------------------------------------------------- 42 LVP615 User Manual 6.10 Mosaic setting------------------------------------------------------------------- 43 Chapter 7: Remote control instructions 7.1 Hardware communication-------------------------------------------------- 48 7.1.1 RS232 and USB-------------------------------------------------------------- 49 7.1.2 Wired network---------------------------------------------------------------- 50 7.1.3 WIFI connection--------------------------------------------------------------- 51 7.2 LVP615 series PC control software instructions---------------------- 58 7.2.1Control method---------------------------------------------------------------- 58 7.2.2Software interface instructions-------------------------------------------- 59 7.3 APP remote control---------------------------------------------------------- 76 7.3.1 Connection----------------------------------------------------------------------- 77 7.3.2APP control instructions-------------------------------------------------------80 Chapter 8 Copyright information---------------------------------------------------97 Appendix: modify the record table ----------------------------------------------------- 98 LVP615 User Manual Chapter 1: Safety precautions !Danger There is high voltage in the processor, to prevent any unexpected hazard, unless you are 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. 2. To prevent fire, keep this device far from any fire source. 3. If this device gives out any strange noise, smoke or smell, please immediately unplug the power cord from receptacle, and contact local dealer. 4. Signal cables are not hot swappable. !Caution 1. 2. 3. 4. 5. 6. 7. 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 or anywhere under high temperature. To prevent rupture or damage of power cords, please handle and keep them properly. LVP615 User Manual 8. 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. Chapter 2 Item List Please unpack the product carefully, then check whether all the following things are included in the package. If anything is found missing, please contact the dealer. Standard accessories The accessories supplied with this LED Video Processor may differ from the figures contained in the User’s Manual, but they are applicable for the regions where you live.(LED sending card is optional) 1.5m power cord*1 1.5m DVI cable*1 1.5m RS232 to RJ45 User manual *1 0.5m DVI cable*1 CD*1 adapter cable*1 Remote control *1 Audio connector *1 BNC-RCA adapter *3 LVP615 User Manual Chapter 3 Hardware connection 3.1 Rear view 3.2 Ports description 3.2.1 Video signal inputs (INPUT) LVP615 supports 8 video signals input as follows: Port Description LVP615 User Manual V1 1*Composite Video (PAL/ NTSC) V2 / YPbPr 1* Composite video (PAL/ NTSC) or analog component video input VGA1~VGA2 2 * PC analog signal DVI 1* DVI ( PC digital signal) HDMI 1*HDMI (HD digital signal) DP 1*DisplayPort( digital signal input) EXT. 1* Extended PAL/NTSC composite video input 3.2.2Audio input signals(AUDIO) LVP615 supports 4-channel stereo audio inputs switching. Of which, 2 channels are DP and HDMI input. The other 2 channels are AD1, AD2 external audio input. AD1 and AD2 can be mapped to any one of signal inputs, and will be switched synchronous to the selection of video input signals. 3.2.3 Video signal output Port Description VGA OUT 1-channel analog RGBHV signal output, which can be connected to a local display device for monitoring (it is strongly recommended to use this port when operating and setting LVP615). DVI OUT1 / 2 same DVI digital graphic signal output, DVI OUT2 it can be connected to external 2 LED transmission cards or LED transmission boxes. DVI Loop OUT 1-channel computer DVI digital signal loop output LVP615 User Manual 3.2.4 Other ports Port Description TCP/IP LAN local area network control interface USB communication port USB Serial communication interface, used to RS232 IN connect the RS232 port of PC to realize PC software control. Serial communication cascading output RS232 LOOP for connecting the RS232 IN of next unit, through single PC can control several units. RF Antenna interface of wireless control function 3.3 Hardware connection diagram LVP615 User Manual LVP615 User Manual 3.4 Specifications Inputs 3×Video 1×YPbPr 2×VGA(RGBHV) Nums / Type 1×DVI(VESA /CEA-861) 1×HDMI(VESA /CEA-861) 1×DP(VESA) Video system PAL/NTSC Composite Video Amplitude Impedance VGA format VGA PC(VESA standard) Amplitude Impedance YPbPr format YPbPr 1V(p_p)/ 75Ω R、G、B = 0.7 V(p_p)/ 75Ω SD/HD(CEA -861) Amplitude Impedance Pb= 0.35V(p_p)/ 75Ω Pr= 0.35V(p_p)/ 75Ω DVI format Custom output format PC(VESA standard) HDMI format HDMI1.3(CEA-861) Display Port 1.1 ( VESA standard) Video:BNC YPbPr:BNC×3 Input connectors ≤1920x1080p_60Hz Y=1V(p_p)/ 75Ω PC(VESA standard) DP format ≤2048×1152_60Hz VGA:15pin D_Sub(female) DVI:24+1 DVI_D HDMI:HDMI port A type DP:Display Port 10 ≤2304×1152_60Hz Width≤3840 Height≤1920 ≤1920×1080_60Hz ≤1920×1080_60Hz , LVP615 User Manual Outputs Nums/ type 2×DVI,1×VGA(RGBHV) 1024×768_60Hz/75Hz 1280×1024_60Hz/75Hz 1600×1200_60Hz 1920×1080p_50Hz/60Hz 1366×768_60Hz 1440×900_60Hz 2048×1152_60Hz VGA/DVI format 2560×816_60Hz 2304×1152_60Hz 1920×1200_60Hz 1200×1600_60Hz 1080×1920_60Hz 1536×1536_60Hz Custom output format(maximum horizontal pixel:3840, maximum vertical height:1920) VGA OUT:15Pin D-sub( female) Output connectors DVI OUT1:24+5 DVI_I DVI OUT2:24+1 DVI_D Others Control RS232/USB/LAN/WIFI/Remote control Input voltage 100-240VAC 50/60Hz Power consumption ≤25W Environment Temperature 0-45 ℃ Environment Humidity 15-85% Product Size 483(L) x 274(W) x 66.6(H)mm Weight G.W.:5.7 Kg, N.W.:4.2Kg 11 LVP615 User Manual 3.5 Product dimensions 12 LVP615 User Manual RS232 cable order: 13 LVP615 User Manual Chapter 4 Front panel and remote control instructions LVP615 supports front panel button, remote control, RS232 and LAN control. Same printing on remote control buttons and front panel buttons,same button functions. The instructions are as below. 4.1 Front panel buttons and remote control schematic 11 14 10 LVP615 User Manual The buttons on remote control have the same functions as the relative buttons on front panel. 4.1.1Input signal selection buttons ( , ):select the input signal. 4.1.2 Setup buttons( , ),Set the output image parameters. 4.1.3VGAauto adjustment button ( input signal. )automatically adjust the VGA 4.1.4 Switching time setup button( ):select seamless switching time including 0 second (cut), 0.5 second,1.0 second and 1.5 second ( fade in fade out) and blend switching function. 15 LVP615 User Manual 4.1.5 PC signal bypass output ( ):Switch between part and full display of PC signal. The indicator shows the current state of the input signal. 4.1.6 PIP/PBP keys( , , , ): :PIP/PBP turn on/ off button. When the indicator is on, press input signal selection to choose different group input or current input itself as the PIP signal. , 4.1.7 , :Switch PIP/PBP model. Mosaic button ( )Turn on /off mosaic function. The indicator shows the current state of mosaic. 4.1.8 Freeze button ( ) turn on / off freeze function. 4.1.9 Brightness adjustment button ( , ) adjust output brightness level under user operation station. 4.1.10 4.1.11 remote control sensor: built- in infrared receiver. remote launch window: built-in infrared transmitter. 16 LVP615 User Manual 4.2 Remote control operation instructions 4.2.1Open the battery compartment on the back of the remote control, make sure the battery effective contact 4.2.2 Please aim remote control to the sensor area of LVP615, if there is obstacle between them, LVP615 may not receive command. 4.2.3 To make sure remote control has a good performance. If found improper operation, please replace new battery immediately. 4.3.3 Batteries shall not be exposed to, such as sunlight, fire or the like overheated environment. Chapter 5 Basic user instructions After LVP615 boot, it enters the operation status of last shut-down including signal switching status, PIP/POP (or Text overlay) status and mosaic status. Among them, PIP/PBP( or text overlay) status and mosaic status can only realize relativefunctions and cannot do other operation. Other relative operations are available under signal switching status. We illustrate the common operations as below. 17 LVP615 User Manual 5.1 Input signals selection LVP615 supports two signal switching methods including“One key switching”and“Pre.+Take switching”. The switching method can be set in user setup menu “2.6 switch mode”. “One key switch” is default method. One key switch to new input signal through input signal selection buttons.; “Pre.+Take switch” only available for seamless switching. Press input buttons to preselect first. Then press Take button to switch from current input signal to preselected signal. 18 LVP615 User Manual Input signal selection as follows: Buttons Description 1* Composite video signal input (PAL/ NTSC) 1* Composite video (PAL/ NTSC) or analog component video input 2 * PC analog signal input 1*DVI digital signal input 1 * HDMI digital signal input 1* DisplayPort digital signal input 1* extended signal input Note:(1) YPbPr and V2 share the same port. If need,configure the port to YPbPr in setup menu. 5.1.1 One key switch LCD screen display as below: 19 LVP615 User Manual Input: HDMI In Status: 1080p_60Hz -------------------------------------Output Size: 1920x1080 Output Start: (0,0) -------------------------------------Switch Mode: One Key SW. Switch Time: 1.5 Sec After select input signal, The first line on the LCD display the current input signal. Like:“ Input:HDMI ” 。The second line on the LCD display the signal status.If no active input, display” No input’. Meanwhile,the corresponding indicator flicker. Led screen is black. If active input, display input signal format Like:“ 1080p_60Hz ” 。 5.1.2 Pre.+Take switch LCD screen display as below: 20 LVP615 User Manual Curr. Input: HDMI Curr. In Status: 1080p_60Hz Pre. Input: V1 Pre. In Status: PAL -------------------------------------Output Size: 1920x1080 Output Start: (0,0) Switch Mode: Pre.+Take SW. Switch Time: 1.5 Sec Switching signal method: press input button to preselect first, LCD screen displays the current input status and preselect input status. Then press Take button to switch current input to preselect input.After the completion of switching, preselect signal become the current input signal. The status of the preselect signal indicator: when the signal is valid, the indicator flicker rapidly. when the signal is invalid, the indicator flicker slowly. Note : Pre.+Take switch only available for seamless switching. LVP615 supports seamless switching between any two different input groups as follow. Same group does not support seamless switching. For example, current input is V1( V1 in group A). Then, preselect signal is only from B,C,D group. Signal group as follow. : V1、V2 VGA1、 DVI、 VGA2 HDMI、DP 5.1.3 Switching time setting(C/ F) 21 EXT LVP615 User Manual In the signal switching status, press C/F button continually can change the current seamless switching transition time. LVP615 can achieve seamless switching between any two different input groups of four input groups. Switching effect includes seamless switching (0s), Fade in/ Fade out (o.5s 1s 1.5s) and blend switching. Seamless switching(Cut):On the LCD“Switch time” is 0s. LVP615 default switching is CUT. Fade in fade out(Fade):On the LCD“Switch time”is 0.5s、1.0s or 1.5s. In this mode, different group signals support fade in fade out switching. Blend switching:at this moment, on the LCD, current input is the main input. Select different group input signal as blend signal. The main input will overlay in the blend signal. Press blend signal or main signal button again. Then switch to selected signal. The whole process is fade in fade out effect. Main Input: HDMI Main In Status: 1080p_60Hz Blend Input: V1 Blend In Status: PAL -------------------------------------Output size: 1920x1080 Output start: (0,0) -------------------------------------- Note:1. YPbPr does not support seamless switching, fade in fade out or blend switching. Switching between any signal and YPbPr signal will cause black led screen. 2. Blend switching is only for signal switching. For other operations, press C/F to exit the blend switching state. 22 LVP615 User Manual 5.2 PIP/PBP operation LVP615 allows to insert PIP window on the current display signal. That is dual image display function(PIP/PBP)。PIP signal can be any input signal from other input groups or current input signal itself. (signal group refer to page 19signal group list)Dual image size can be preset 3 modes.The detailed operation method is as follow: Enter PIP/PBP mode: press On/Off button,the indicator will be on. LVP615 enters PIP/PBP mode. Then press input signal button to select PIP signal. At the same time, LCD will display main input and pip input status and size.(as shown below) Main Input: HDMI Main In Status: 1080p_60Hz PIP Input: V1 PIP In Status: PAL -------------------------------------Main Output Size: 1920x1080 Main Output Start: (0,0) PIP Output Size: 640x320 PIP Output Start: (16,16) Select PIP input signal:In PIP mode,press button to select corresponding signal. Then this signal is configured as PIP input. Select Main input signal:Press On/Off button to close PIP mode.,Press button to select corresponding signal as main input signal. Then press On/Off button to enter PIP mode to select pip signal again. 23 LVP615 User Manual Switch PIP/PBP mode:When PIP/PBP is on,press buttons M1、 M2、M3 directly to select display mode fast. 5.3 Mosaic operation Multiple units LVP615 cascading can drive huge resolution LED screen. Only when the current input is DVI, press Mosaic button and the indicator is on. LVP615 enters to Mosaic operation. Press the button again and the indicator is off, LVP615 exits Mosaic. Mosaic Input: DVI In Status: 1080p_60Hz Input Image Size: 960x540 Input Image Start: (0,0) -------------------------------------Mosaic out size: 1920x1080 Mosaic out start: (0,0) Mosaic PIP: off -------------------------------------Device ID: 入拼接信号 Note: 5.3.1 In mosaic mode, PIP display is available. 5.3.2 In following conditions,LVP615 cannot enter mosaic status. (1)The input signal selected is not DVI; (2)Bypass is on; (3)The resolution of DVI input signal is different from the output resolution of processor. 24 LVP615 User Manual 5.4 Other basic user operation 5.4.1 Brightness selection(Brt+,Brt-) LVP615 supports 64 level or 100 level brightness selection. According to“8.5 bright level” selection,adjustment range has two kinds:0~64 or 0-100. Factory default is 0-64。To make sure of full gray scale of output image, it always set as 64(0-100 default value is 50) ! button description BRT- Reduce LVP615 output brightness,the lowest is 0. BRT+ Increase LVP615 output brightness, the highest is 64 or 100. 5.4.2 VGA input auto adjustment (Auto) When LVP615 is in one key switch status and current valid input signal is VGA, press Auto button to adjust VGA input signal sampling parameters. Then the VGA output image can be clear and full. This operation is normally performed when a new VGA source is connected. Auto adjustment time is depend on the signal status. Normally it’s less than 1 second. Sometimes it’s necessary to 25 LVP615 User Manual perform several times until the output image is clear, full and stable. 5.4.3 Full/ part display(Bypass) In signal switching status, press Bypass button to switch full and part display. This function only works when current signal is PC input signal (VGA1/ VGA2/ DVI /HDMI /DP). Fixed other signals to Full mode. state description Full Full display,the input image is compressed and fully displayed on the led screen and the indicator is off. Part Part display, the input image is not compressed.Only a part of it can be displayed on the screen and the indicator is on. Note:When the width and height of input image are lower than the LED screen real width or height value. Part display is invalid. 5.4.4 Text overlay LVP615 allows for overlapping text, logo or flash on the current image. The operation is as below. When the current input display properly, enter setup menu“3.Text overlay” , set ”3.1text overlay” on , then select text source.Text can be produced by PowerPoint and other office software. 26 LVP615 User Manual 5.4.5 Image freeze (Freeze) Press Freeze button and the indicator is on, the current image is frozen. Press Freeze button again or switch to another signal to exit Freeze status. 5.4.6 Device information view (OK) In signal switching status, press OK to check the LVP615 current setting and information. System info -------------------------------------model: LVP615 version: V0.0.8/V0.0.8 IP: 192.168.1.8 Mask: 255.255.255.0 Gate: 192.168.1.1 MAC: 76-64-77-00-00-00 Device ID: Chapter 6: Setup menu instructions Setup menu is to set the entire processor. There are 9 section including output image、input image、text overlay、 image quality、audio、 communication、language、advance、PIP/PBP、mosaic. 27 LVP615 User Manual setup -------------------------------------1. Out Image >> 2. Input Video Signal >> 3. Text Overlay >> 4. Color&Brightness,etc >> 5. Audio >> 6. Communication >> 7. 语言/Language >> 8. Advance >> After the system starts,Press Setup press↑,↓ to enter the setup menu.Then button to select the corresponding menu item to be set. Press OK button to enter and return back upper level menu. The following is a detailed description of each menu function: 6.1 Output image setting Press Setup to enter setup menu. Press ↑,↓ 28 button to select“1.Out LVP615 User Manual image” item.Then press OK button to enter the following image“1.Out image” item. 1.Out Image -------------------------------------1.1 Resolution 1920x1080_60 1.2 Out Width 1920 1.3 Out Height 1080 1.4 Out H_Start 1.5 Out V_Start 1.6 Test Pattern off 6.1.1 Set output format LVP615 can output image from the VGA OUT and 2 DVI OUT. There are 16 fixed output format and custom output format.(refer to page 9specifications). Users can select fixed output format not less that the LED screen resolution or select custom output format which can realize pixel to pixel display in concert with 2.1 .1 custom DVI EDID. Operation steps: Press ↓to select “1.1 Resolution” item. Rotate knob suitable output format,like“1280×1024_60”,Press OK to select button, the screen will display confirmation menu. Press OK button again to confirm the output format. The device will restart automatically. 29 LVP615 User Manual tips -------------------------------------Data will reset Presstoreset Press to cancel Note: to custom output format,after selection,need further set 1.1.1 custom width、1.1.2 custom height and 1.1.3 custom V frequency. Press ↓ button to 1.1.4 Apply,Press “OK”to make parameters effective. 1.1 Custom Resolution -------------------------------------1.1.1 Cus. Width 1920 1.1.2 Cus. Height 1002 1.1.3 Cus. V Freq. 60 1.1.4 Apply OK To Apply 30 LVP615 User Manual 6.1.2 Set output image parameters LED screen real resolution can be arbitrary. So we need set LVP615 to outputthe same image as the led screen. Then the LED screen can display whole image. (0,0) Out hori start LL Out_hori_width Our vert_start LVP615 out image area 1080 Out vert height LED screen LVP615 output resolution = 1920×1080 1920 As shown in the above picture: the size and location of output image of LVP615 can be defined in 4 parameters: Item NO. Item name 1.2 Out_hori_width 1.3 Out_vert_height 1.4 Out_hori_start 1.5 Out_vert_start Note:current set parameters can be changed by rotating knob. knob rotating speed can decide the step value. Press“OK”button to save the set parameters. 31 LVP615 User Manual 6.1.3 Test pattern LVP615 can generate 36test patterns for LED screen testing. If this item value is “off”, turn off Test pattern. Select other number and confirm.Then one corresponding test pattern of 36 pcs will be selected. Operation steps: Press ↓ button to select“1.6 Test pattern” item,then rotate knob to select suitable test pattern number and press ”OK” to apply the test pattern. -------------------------------------1.1 Resolution 1920x1080_60 1.2 Out Width 1920 1.3 Out Heith 1080 1.4 Out H_Start 1.5 Out V_Start 1.6 Test pattern 0 - >5 Note:The current signal must connect valid input. Then the test pattern has output. Otherwise no output. 32 LVP615 User Manual 6.2 Input video signal setting Press Setup button to enter setup menu. Press↓ Input video signal and press OK button to select 2. to enter this item. 2.Input video signal -------------------------------------2.1 DVI EDID 1280x1024_60 2.2 V1/V2 backup off 2.3 VGA1/VGA2 backup off 2.4 HDMI/DVI backup off 2.5 V2 or YPbPr V2 2.6 Switch mode one key switch 6.2.1 DVI EDID LVP615 supports custom DVI EDID. In concert with “custom output format”, LVP615 can realize DVI input image and output image pixel to pixel display. LVP615 supports 16 fixed DVI EDID and custom EDID. Normally the parameters setting should be consistent with“custom output format”(refer to page28 ). Operation steps:In the menu 2.1 DVI EDID,rotate knob to select suitable resolution and press OK to save data. After save data, need press OK to enter“2.1 custom DVI EDID” menu to set 2.1.1custom width、2.1.2custom height and 2.1.3 custom V frequency and press ↓ to enter APPLY and press “OK” to make parameters effective. 33 LVP615 User Manual 2.1custom DVI EDID -------------------------------------2.1.1 Cus. width 1920 2.1.2 Cus. height 1002 2.1.3 Cus. V Freq. 60 2.1.4 Apply OK to apply 6.2.2 Hot spare setting LVP615 supports hot spare of input signals. When the current input signal is lost. LVP615 will switch to the spare signal automatically to avoid image interruption caused by the fault of signal source. 2.Input video signal -------------------------------------2.1 DVI EDID 1280x1024_60 2.2 V1/V2 backup off 2.3 VGA1/VGA2 backup off 2.4 HDMI/DVI backup off 2.5 V2 or YPbPr V2 2.6 switch mode one key switch As shown in the above table,if ”2.2 V1/V2 backup on”, if V1 signal is lost, processor will switch to V2 automatically. 6.2.3 V2 or YPbPr selection V2 and YPbPr of LVP615 share the same port and button. Need configure. Default input is V2. If need YPbPr input, then need set this port to YPbPr. 34 LVP615 User Manual Operation steps: In the menu of 2.5 V2 or YPbPr,rotate knob to select needed parameters and press “OK” to make them effective. 6.2.4 Signal switch mode Press Setup to enter setup menu, press ↓ to select “2. Input video signal”,Then press OK to enter“2.input video signal ”,and press ↓ to select signal switch mode“one key switch ”or switch ”,Press OK to apply. 2.Input video signal -------------------------------------2.1 DVI EDID 1280x1024_60 2.2 V1/V2 backup off 2.3 VGA1/VGA2 backup off 2.4 HDMI/DVI backup off 2.5 V2 or YPbPr V2 2.6 switch mode Pre.+Take SW. ? 35 Pre.+Take LVP615 User Manual 6.3 Text overlay setting 3.Text overlay -------------------------------------3.1 Text overlay off 3.2 Text source ? 3.3 Text mode < threshold 3.4 Threshold R 3.5 Threshold G 3.6 Threshold B 6.3.1 Text overlay operation In the current input signal, press Setup and press↓ to select”3.text overlay”,Press OK to enter,in the menu“3.1text overlay ” rotate knob to switch it on. Then press ↓ to enter”3.2text source ” menu to rotate Knob to select text input signal. Text overlay is on. If need turn it off, enter 3.1 text overlay and switch it off. 6.3.2 Text overlay parameters setting 3.1Text mode:LVP615 can custom text mode < threshold or > threshold. < threshold means text signal image which is less than the current threshold value will overlay on the current signal. The bigger part will be automatically filtered out. > threshold means text signal image which is bigger than the current signal will overlay on 36 LVP615 User Manual the current signal. Threshold R /G/B : This is used to set three thresholds subtitles red, green and blue respectively for a particular value between 0 to 248. The following is the text overlay example. Text file is made by Powerpoint. Parameters are as follow: 3.3 Text mode
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