Tape was moved forward at 2.91 inches per second in STD mode, and 1.45 inches per second in LP mode; this gave a recording time of one-hour in standard mode and two hours in long-play mode. Horizontal resolution in color was quoted as 250 lines in advertising materials, stretching to 300 lines in black-and-white, with a video signal-to-noise ratio of 45 dB. Audio response was specified as 80 to 10,000 Hz at -6 dB in STD mode, dropping to 80 to 8,000 Hz in LP mode.