Di Spl Ay Col Or Sel Ect I On - HP 16500B User Reference
Logic analysis system
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Also See for 16500B:
- Installation and service manual (38 pages) ,
- User manual (141 pages) ,
- Service manual (132 pages)
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D i spl ay Col or Sel ect i on
I n t he HP 16500B, col or saves t i m e and pr event s er r or s by cl ar i f yi ng
t he di spl ay, m aki ng i t easi er t o di st i ngui sh one m aj or ar ea f r om
anot her .
The col or sel ect i on f eat ur e of t he HP 16500B al l ow s you t o cust om i ze
di spl ay col or s, w hi ch i m pr oves cont r ast and l essens eye f at i gue caused
by your oper at i ng envi r onm ent . I f you ar e col or - bl i nd t o cer t ai n
col or s, ar e oper at i ng i n a di f f i cul t l i ght envi r onm ent , or don' t l i ke t he
def aul t col or s, you can qui ckl y and easi l y change t hem .
The C ol or M odel
The HP 16500B uses t he H SL col or m odel (Hue, Sat ur at i on, and Lum i nosi t y).
Thi s m odel i s ver y ef f ect i ve f or i nt er act i ve col or sel ect i on. Si m i l ar i n concept
t o t he m et hod used by ar t i st s f or m i xi ng pai nt s, pur e hues ar e sel ect ed, and
t hen w hi t e and bl ack ar e m i xed t o di l ut e t he col or or dar ken i t .
•
Hue i s t he pur e col or . 0 i s r ed, 33 gr een, and 67 bl ue. The sel ect i on
r anges f r om 0 t o 100.
•
Sat ur at i on i s t he r at i o of t he pur e col or m i xed w i t h w hi t e (0 t o 100% )
•
Lum i nosi t y i s t he br i ght ness per uni t ar ea (0 t o 100% ).
The f i gur e on t he next page show s a cyl i ndr i cal r epr esent at i on of t he HSL
m odel (Hue, Sat ur at i on, and Lum i nosi t y). Hue i s t he angul ar coor di nat e,
Sat ur at i on i s t he r adi al coor di nat e, and Lum i nosi t y i s t he al t i t ude above t he
pol ar coor di nat e pl ane.
The cyl i nder r est s on a bl ack pl ane (Lum i nosi t y = 0% ) and ext ends upw ar d.
As you i ncr ease i n al t i t ude, you i ncr ease l um i nosi t y, w hi ch r epr esent s an
i ncr ease i n br i ght ness. W henever l um i nosi t y i s zer o, t he val ues of sat ur at i on
and hue do not m at t er . Zer o l um i nosi t y i s bl ack, and 100% l um i nosi t y gi ves
you t he pur e col or .
6–8
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