User manual

RIGOL Chapter 3 Functions of the Front Panel of RTSA
3-30 RSA3000 User’s Guide
The hues of the colors run from 0 to 359 are shown below:
In the hue ring, Hue 0 is red (255,0,0), Hue 120 is green (0,255,0), Hue 240 is blue
(0,0,255), Hue 60 is yellow (255,255,0), Hue 180 is Cyan (0,255,255), and Hue
300 is magenta (255,0,255). In Region A-B, the red value is constant (255); in
Region C-D, the green value is constant (255); in Region E-F, the blue value is
constant (255). There is no green in Region F-A, no blue in Region B-C, and no red
in Region D-E.
When adjusting the reference hue, you are adjusting the hue at the top of the
color bar. The bottom of the color bar shows the hue that is 240 degrees clockwise
from the reference hue.
5. Ref Hue Pos
Sets the position of the reference hue displayed in the graticule. Any amplitudes
higher than the reference position are displayed as black.
Table 3-16 Reference Hue Position
Parameter
Remarks
Default
100
Range
Max (10%, bottom hue value
+ 10%) to 100.0
Unit
None
Knob Step
1
Left/Right Arrow Key Step
Up/Down Arrow Key Step
at 1-1.5-2-3-5-7.5 step
6. Bottom Hue Pos
Sets the bottom hue position displayed in the graticule. Any amplitudes lower
than the bottom hue position are displayed as black.