This was Philips entry level machine for general video-tv pattern generation.Note this is an NTSC video generator, not PALPhilips Video-TV Test GeneratorModel PM5519NTSC videoEntry level professional video – television test video generatorVideo Output or RF output on all television channel allocations (analog)Chroma level settingVideo Amplifier Gain controlRF Amplifier Gain control (to 10mV)5x Black-White test patterns5x Colour test patternsPurity display – Red, Green & BlueVideo on the RF output can be internal or externally suppliedInternal 1Khz test toneModulation On-OffRF output On-Off6x preset frequency controls (on VHF Lo, VHF & UHF) for RF outputCOSMETIC CONDITION:A few case scratches but nothing seriousTesting:The unit is in great working condition.Tested the video output with various patterns generatedTested the RF output with various patterns generatedThese were Philips “base unit” which means all switching is via mechanical switches.My only comment would be that the switches are a bit tough to push in sometimes – lack of use and this could be easily fixed if it bothered you – internal access is simple.$40 is my price