Video selections: PAL or NTSC, Interlaced or progressive (non-interlaced), 12 different patterns included: purity patterns (black, white, grey), grayscale (staircase), square grids, 100% contrast half screens, 4/3 and 16/9 patterns
Specifications:
Supply: 3V, CR2032 battery (not included)
Consumption: 12mA (grid signal@75ohm)
Audio Output: 1kHz sine wave / 0.7Vrms (10k load)
Video Output: 0.8Vpp @ 75 ohm load (staircase signal)