2021-12-04
使用电脑自带画图工具，制作一个720*576分辨率的文件大小在0~64KB的jpg图片。需要在linux操作系统下制作开机logo，命令如下：ffmpeg -i log720x576.jpg -s 720x576 -pix_fmt nv12 ./log720x576.yuv./lzma e ./log720x576.yuv log720x576.yuv.lzma将做出的log720x576....
2021-12-04
确定电源供电是否稳定，全负载（含摄像头和SD卡）工作需要12V以上的电压。关闭低电压关机功能。拔掉SD卡，看是否还会重启。Determine the power supply voltage and current to ensure stable power supplyTurn off the low voltage shutdown functionUnplug the SD card...
2021-12-04
2021-12-04
问题：GPS无效检查GPS天线有没插紧；把MDVR GPS天线放到室外空旷处，查看信号；把其他MDVR上面确认好的GPS天线换到这台MDVR上面；万用表测量MDVR GPS馈线，是否有3V输出。如果没有3V输出，可能馈线接触不良；GPS模块损坏。Question：GPS invalidCheck whether the GPS antenna is firmly plugged into t...
2021-12-04
2021-12-04
问题：4G掉线确定是偶尔掉线，还是一直掉线？把MDVR里面的SIM卡拔出，然后插入手机，确认是否还有通讯流量检查4G天线有没插紧；把其他MDVR上面确认好的4G天线换到这台MDVR上面；把MDVR 4G天线放到室外空旷处，查看信号；打开机器外壳，换一根好的4G馈线，可能馈线接触不良；4G模块损坏。打开MDVR外壳，把其他MDVR上面确认好的4G模块换到这台MDVR上面。Question：4G...
2021-12-04
methodPartnerDevelopment difficultyDevelopment costsCustomers develop according to CMSV6 API and integrate into their own platformCMSV6 PartnerSimpleFreeFor the functions that CMSV6 API cannot meet...
2021-12-04
无法启动可能原因：Possible causes of failure to start：1. 检查SD卡锁是否关闭Check whether the SD card lock is closed2. 检查车钥匙是否打开Check whether the vehicle key is opened3. SD卡拔出然后关闭SD卡锁，重新上电是否可以正常启动Pull out the SD car... |
