Agilent Technologies 8566B Operating And Programming Manual page 265

Band Unlock
The KSQ command unlocks the analyzer from a specific band (harmonic number). The functions of the KSQ
command and the front panel m Q
Either one of the full span keys, @ or m, will also unlock a preselected band.
OUTPUT 718; "KSQ;"
The functions of the KSQ and HNUNLK commands are identical.
156 Programming
keys are identical.