Fluke 45 had been stored for a long time and the screen stuck like this. After pulling it apart I took the battery pack out and it works. Fluke 8050 had similar
FLUKE 45 Repair and FLUKE 45 Calibration
45 Fluke 5 digit Bench Multimeter Used
45 Fluke Dual Display Multimeter / 플루크, 멀티미터
Fluke 45 Dual Display Digital Multimeter, include a fresh CALIBRATION – COGWELL