Digital Television Signal Analyzer Measurement Guide : ISDB‑T Signal Analyzer : Constellation Zoom Menus
 
Constellation Zoom Menus
Custom
Key Sequence: Meas Selection > Modulation Analysis > Meas Setup > Constellation > More > Zoom
Also, Sub‑carrier MER is toggled to the On state.
Modulation Analysis Constellation Zoom Menu (Sub‑carrier MER On)
Constellation Zoom with Carrier MER On
 
Zoom
On Off
Press this submenu key to toggle between displaying all graphs or displaying an enlarged graph of the selected Layer.
 
 
Layer A
Press this submenu key to select the Layer A graph. The graph outline and center axes are changed to be displayed in green rather than white. When Zoom is On, the selected graph is enlarged.
Layer B
Press this submenu key to select the Layer B graph. When selected, the submenu key circle is displayed in red.
 
 
Back
Press this submenu key to return to the Constellation Meas Setup (2/2) menu.
While either the Meas Setup (2/2) menu or the Zoom menu is displayed, the Zoom On/Off feature can be toggled On and Off by pressing the Enter key. The graph that is enlarged when Zoom is On is the graph that is selected in the Zoom menu.
 
Constellation Zoom Menus (continued)
The Zoom feature is used to enlarge one graph. The Layer submenu keys are used to select the layer that will be enlarged by using Zoom. The active Layer submenu key displays a red circle, and its graph outline and center axes are changed to be displayed in green rather than white.
Key Sequence: Meas Selection > Modulation Analysis > Meas Setup > Constellation > More > Zoom
Also, Sub‑carrier MER is toggled to the Off state.
Modulation Analysis Constellation Zoom Menu (Sub‑carrier MER Off)
Constellation Zoom with Carrier MER Off
 
Zoom
On Off
Press this submenu key to toggle between displaying all graphs or displaying an enlarged graph of the selected Layer.
 
 
Layer A
Press this submenu key to select the Layer A graph. The graph outline and center axes are changed to be displayed in green rather than white. When Zoom is On, the selected graph is enlarged.
Layer B
Press this submenu key to select the Layer B graph. When selected, the submenu key circle is displayed in red.
 
Layer C
Press this submenu key to select the Layer C graph. When selected, the submenu key circle is displayed in red.
 
TMCC
Press this submenu key to select the TMCC graph. When selected, the submenu key circle is displayed in red.
 
 
Back
Press this submenu key to return to the Constellation Meas Setup (2/2) menu.
While either the Meas Setup (2/2) menu or the Zoom menu is displayed, the Zoom On/Off feature can be toggled On and Off by pressing the Enter key. The graph that is enlarged when Zoom is On is the graph that is selected in the Zoom menu.