RIGOL DSA875 - Manual (Page 161)

Chapter 2 Front Panel Operation RIGOL
User’s Guide for DSA800 Series 2-109
Display
Control the screen display of the analyzer, such as setting the display line, active
function area, grid brightness, screen state, brightness, UserKey status and
message switch.
1. Display Line
Turn on or off the display line or change its position. This line can be used as
either the reference for you to read the measurement result or the threshold
condition for the peaks displayed in the peak table.
Key Points:
 This line is a horizontal reference of which the amplitude is equal to the
set value and the corresponding amplitude unit is the same as the Y-axis
unit.
 You can modify this parameter using the numeric keys, knob or direction
keys. For more details, please refer to “Parameter Setting”.
Table 2-62 Display line
Parameter Explanation
Default 0 dBm
Range Current amplitude range
Unit dBm, -dBm, mV, uV
Knob Step Step = Scale/10 (Log scale type)
Step = 0.1 dB (Lin scale type)
Direction Key Step Step = Scale (Log scale type)
Step = 1 dB (Lin scale type)
2. Active Fctn
Set the position of the active function area for convenient observation of the
trace. Selectable positions are Top (default), Center and Bottom of the screen.
Pressing Esc key closes the display of the active function area.
3. Graticule
Set the brightness of the grid to highlight the trace.
You can modify this parameter using the numeric keys, knob or direction keys.