TVI 5MP Camera, The video format is set 4MP as default. Here are the steps to change from 4MP to 5MP
Take example of CMHT1752W-28CF
1. Login to DVR
2. On DVR Live Veiw, Select camera, click IRIS + on PTZ menu
3. Under Menu, current video format is 4MP(4M30)
4. Use ◄ ► to change to 5M20 , use ▼ ▲ to SAVE & EXIT, click IRIS + to save the setting, camera will reboot