The invention concerns a method and device for folding of ribbon cables. A received preamble is decoded, and then re-encoded. The inlet also comprises a second plate that is arranged between the first plate and an inner part of the casing. The injector includes a housing and a shield arranged to slide relative to the housing and a driver moving during drug delivery. As the light source, a light source having a blue central wavelength in a wavelength range of 460 nm or more and 490 nm or less, or a light source having a blue central wavelength in a wavelength range of 440 nm or more and less than 460 nm and having a color temperature of 4,000 K or lower is used.