Teach you the correct use of LED display

by:GKGD     2020-05-06
LED is a light emitting diode, light emitting diode, or LED. It is a semiconductor light emitting diode control through the display mode, its appearance is probably made up of many is usually red light-emitting diodes (leds), to display character by candle light out. Used to display text, graphics, images, video, video, animation, market signals such as all kinds of information of the display. So, for the use of LCD screen, should pay attention to what aspects? The switch LED electronic display screen, notice: 1 switch sequence: the tail: when switched on, after the tail. GuanBing GuanBing: first off, First close the computer's not display screen, can cause the screen body appear high window, burning lamp, serious consequences. ) 2, switch screen every time more than 5 minutes. 3, computer into the engineering control software before opening the electricity. 4, to avoid all white screen in a state of the tail, because the impact of the current largest system. 5, avoid out of control in the state of the tail, because the system of the inrush current is the largest. Did not enter A computer control software program; B computer without electricity; C control part of the power supply is not open. Ambient temperature too high or the cooling conditions are bad, do not for a long time the tail should be paid attention to. Electronic display body part of a line of very bright, should pay attention to timely GuanBing, shoulds not be long time under the state of the tail. Often display power supply switch trip, should be timely check screen or replace the power switch. Regularly check to hang it firmly. If there are any loose phenomenon, pay attention to adjust, and to reinforce or update a string. According to the big screen display screen, control part of the environment, avoid insect bites, should be placed against the rat poison when necessary. Computer, the control part of the power cord to zero, the fire can not reverse connection, plug should be strictly in accordance with the original position. If there are any peripherals, connection to end, should test cases are charged. The control devices such as mobile computing, should first check prior to power connection lines, control panel for the loose. Not at liberty to change the location of the communication lines, flat connection lines, length. If there are any short circuit, tripping, burn the mobile line, the anomaly appeared such as smoking, should not be repeated electric test, should be timely find problems. Three, use software operating the note 1 backup software: WIN2003, WINXP, application, software installation procedures, database, etc. It is recommended to use the 'ghost' software, easy to operate. 2 master installation method, the original data recovery and backup. 3 master control parameters setting, basic data of preset modified 4 skilled use the program, and editing operation. Part-time workers, do not operating software system. Display does not show: A: check the screen power supply situation, test pencil or multimeter is used to inspect if there is A electric switch connected with electrical side. Switch may appear problem, or short term. B: synchronous display with computer, first check whether the computer is to enter a dormant state; If enter dormancy, first into the 'control panel', click on the 'power management, will' system for 'and' close monitor options choose 'never' option, so that the computer not dormant, screen can work normally; If you don't have to enter dormancy, can open the box to see if control card and communication cable plug, check whether there is communication cable bolt. Basic to solve the above problems. Display file is not complete or wrong location: A: first of all check in software 'display position' and 'screen size parameters and installation engineers to agree, if you don't remember, can to the screen body count the pixels of length and width,' screen size is determined, can display area on the screen to see how much difference, adjusted and then return to the computer, until the position match. B: such as display incomplete check if the file size and screen 'screen size. C: open the case check whether the control card is fall on the conductive body. 3: communication can't display communication: A: check whether the parameters in the software and installation engineers to consistent. B: check whether the serial port is a prison, communications line if there is a break. Screen dithering, have stripes: check the connection of computer common ground wire is loose, or whether the communication cable is loose. If the operator cannot determine the cause of the problem, or the computer is not very understand, don't open the case.
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