[5] It recorded television programs in black and white using the skip field process, which produced a maximum 200-lines resolution.
[6] One of its shortcomings as a format was the omission of the ability to adjust tracking, which made interchangeability of tapes between different machines almost impossible.
[8] The CV video recorders fell into disuse with the arrival of the EIAJ type 1 standard that was used by many companies, including Sony with their AV series machines.
This video recorder is from before the development of multichannel rotary air-gap transformers, which were commonly used for the spinning heads of VHS recorders, to pass analog video signals across the gap from the spinning upper half to the stationary lower half of the head assembly.
However it can still experience video signal quality problems if the metal of the brushes or rings become oxidized / corroded, or coated with dust.