CS
22.1549 Power-plant instruments
ED Decision 2003/13/RM
For each required power-plant instrument, as appropriate to the type of instruments:
(a) each maximum and, if applicable, minimum safe operating limit must be marked with a red radial line;
(b) each normal operating range must be marked with a green arc, not extending beyond the maximum and minimum safe limits;
(c) each take-off and precautionary range must be marked with a yellow arc.
(d) in the case of digital solid state displays, limitations, precautionary and operating ranges required by sub-paragraphs (a), (b) and (c) of this paragraph must be clearly indicated. The display must be readable under all lighting conditions likely to be met in service.
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