Markers are available only in CDP and Spectrum measurements.

Marker: Selects the active marker (1 to 6). The underlined marker number is the active marker. Each press of the submenu key moves the underline to the next marker number. Pressing Shift causes reverses the direction of marker selection. Press the Shift button again to change back to the original direction.

On/Off: Turns the selected marker underlined in the Marker submenu key On or Off.

Marker Table On/Off: Causes a table to be displayed below the sweep window. The table is automatically sized to display all markers that are turned on. In addition to the marker frequency and amplitude, the table also shows delta frequencies and amplitude deltas for all markers that have deltas entered for them.

All Markers Off: Turns off all markers.