Other cameras

• What to do if image of Wasp looks abnormal?
• I never got any image out of Sky plus. I tested all cases, even different cables and another VTX.
• What's the size of the screws that hold the Skyplus?
• With the board camera can I choose pal or ntsc in osd menu? or is it pre set at purchase?
• What should I do if my board camera has no image/strange color/distorted image/discontinuous image?