The sentence states:
This document defines the characteristics that are specific to the KDM, and should be followed in combination with SMPTE ST 430-3, which in turn references SMPTE ST 430-2.
Clause 5 is informative; therefore, "should" cannot be used.
The sentence states: This document defines the characteristics that are specific to the KDM, and should be followed in combination with SMPTE ST 430-3, which in turn references SMPTE ST 430-2.
Clause 5 is informative; therefore, "should" cannot be used.