automatic input recognition with priority for the Y/C signal
color, contrast and luminance knobs for the source video signal
independent fading of the computer and video image
fade to black
manual fading - the faders serve to set the degree of blending
automatic fading - the faders serve to set the fading time between 0.2 - 20 seconds
RGB monitor switch: switches the display between genlock and computer picture without affecting the video outputs
keying active switch: allows imposing the computer picture over a static video picture - when inactive the fader can be used to dissolve between full computer and video picture
keying invert switch: when inactive, video is projected onto the computer image where color 0 is - when active, video is shown at positions other than color 0
alpha overlay switch: allows semi-transparent colors or anti-aliasing
built in black burst generator for recording the computer image without receiving a video source
VITC timecode support
all functions can be controlled by software through the serial port
integrated ARexx port
standby mode - when the genlock is not needed it is possible to work on the computer without disconnecting it - all Amiga screen modes are passed through to the RGB monitor
for operation with the A3000's video enhancer, the "A3000" jumper has to be set on the Neptun's circuit board
takes power from the RGB port, but can use an external power supply too