Hi, bodie37. Thanks for reaching out! To assist you further, please confirm what specific DJI device you're using. Normally, a red LED indicator in the remote means that it is not yet linked to the aircraft.
Yeah sorry had beeping as well not used for a couple of years updated the phantom 3 advanced but wouldnt let me do handset then saw on youtube that you can reset hand set so did that it now connects to phantom and i can see through and move camera so fingers crossed its ok now thanks for the fast response