... the panel of transmitter, it needs to regulate the ... other. For detailed application, it needs to consider the real ... DS2 and DS3 without light, it means that the environment is ... it means that the installation place is seriously disturbed, it ... of disturbance and eliminate it, or change the installation ... DS3 not twinkling (lighting), it means that it is in best status. ... .2-1.6 M, it is suggested to use hard ...