GPS invalid troubleshooting methodIssuing time:2021-12-04 15:51 Question:GPS invalid Check whether the GPS antenna is firmly plugged into the MDVR; Put the MDVR GPS antenna in an outdoor open place and check the signal strength; Insert the GPS antenna that works normally on other MDVR into this MDVR; Use a multimeter to measure whether the MDVR GPS feeder has 3V output. If there is no 3V output, the GPS feeder may be in poor contact; GPS module damaged。 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。 |