Digital Television Signal Analyzer Measurement Guide : DVB‑T/H Signal Analyzer : Marker Menu
 
Marker Menu
(For Impulse Response and Carrier MER Measurements Only)
Key Sequence: Marker
Marker Menu
Marker
On Off
Press this submenu key to toggle markers On and Off. The current setting is underlined. Refer to Marker Description.
Active Marker
Zoom All
This feature is active when Marker is On. The Active Marker can be in the Zoom graph or in the All graph. Press this submenu key to toggle the setting between Zoom and All. The current state is underlined.
Peak Search
This feature is active when Marker is On and the Active Marker is Zoom. Press this submenu key to place the green diamond marker on the highest signal amplitude that is displayed on the measurement screen.
Delta Marker
On Off
This feature is active only for Impulse Response measurements. Press this submenu key to toggle the Delta Marker On and Off. The current state is underlined.
When Marker is set On, Active Marker is set to All, and Delta Marker is set On, the Delta Marker (small green square) is displayed within the marker of the Impulse Response (All) graph.
When Marker is set On, Active Marker is set to Zoom, and Delta Marker is set On, the Delta Marker (small green square) is displayed within the marker of the Impulse Response (Zoom) graph.
Marker Description
Markers with Impulse Response
When Marker is set to On and Active Marker is set to All, a green outlined rectangle is displayed within the marker of the Impulse Response (All) graph. The signal that is outlined in the green rectangle is displayed in the Impulse Response (Zoom) graph. Use the rotary knob to move the green outlined rectangle in the +/– x‑axis direction of the Impulse Response (All) graph.
When Marker is set to On and Active Marker is set to Zoom, a small green diamond is displayed in the Impulse Response (Zoom) graph.
Markers with Carrier MER
When Marker is set to On and Active Marker is set to All, a green outlined rectangle is displayed in the Carrier MER (All) graph. The signal that is outlined by the green box is displayed in the Carrier MER (Zoom) graph.
When Marker is set to On and Active Marker is set to Zoom, a green a small green diamond is displayed in the Carrier MER (Zoom) graph.