2. Press the Marker submenu key to open the Select Marker list box and select a marker by scrolling with the rotary knob or the arrow keys, then press Enter. Unused markers are labeled OFF. The number on the Marker submenu key indicates the active marker.
3. Use the rotary knob, arrow keys, or touch and drag to move the Marker. The frequency of the active Marker is shown in the upper‑left corner of the display screen.
Peak and Valley Search Markers
When making measurements, the Peak Search and Valley Search features can be used to quickly place a Marker on a maximum or minimum point of a trace.
1. With an active marker, press the Peak Search or the Valley Search submenu key to find the maximum or minimum value on the trace that is associated with the current marker.
Set Up Delta Markers
If the intent is to conduct a delta measurement, then two markers are necessary: one to be the reference marker and one to be the delta marker.
Delta Marker Setup:
1. Press the Marker main menu key.
2. Turn on Marker 1 (to be the Ref marker) and assign it to a trace.
a. Press Marker and select MK1 from the list box. Then press Enter.
b. The Marker Type submenu key is set by default to Ref.
3. Turn on Marker 2 and change the Marker Type from Ref to Delta.
4. Assign Marker 2 to Marker 1 by pressing the Avail Ref Mkr submenu key to open the Select One list box. Scroll to choose MK1 and press Enter.
Note
The Marker list box includes the current location, readout style, and delta status (if they exist). Otherwise, it indicates Off.