Anritsu 681XXC - Manual (Page 72)

Now, press Previous Menu to return to the Step
Sweep Menu display (or the Analog Sweep Menu
display if operating in analog sweep frequency
mode).
Notice the changes to the Step Sweep Menu display
(below). These changes indicate that the alternate
sweep frequency mode is active.
Now, press Alt Swp Menu to return to the Alternate
Sweep Menu display.
Selecting an Alternate Sweep Range
To go to the Alternate Range Menu (below) from the
Alternate Sweep menu, press
Alt Range .
Select the alternate sweep range ( Full, F1-F2 , F3-F4 ,
F5-dF , or F6-dF ). The menu then displays the cur-
rent frequency parameters for the selected sweep
range. If you wish to change a frequency parameter,
use the menu edit soft-key to open the parameter,
then edit it.
681XXC OM 3-39
LOCAL (FRONT SWEEP FREQUENCY
PANEL) OPERATION OPERATION