RIGOL DSA875 - Manual (Page 163)

Chapter 2 Front Panel Operation RIGOL
User’s Guide for DSA800 Series 2-111
Work Setting
1． Front Switch
Set the status of the front switch and the default is “On”.
 On: when the analyzer is powered on, press the power switch at the front
panel to start up the analyzer.
 Off: when the analyzer is powered on, it starts automatically.
2． Line Mode
Enter line mode. In line mode, in order to avoid fault operation, all the keys at
the front panel except the following are disabled.
 Menu softkeys: select the desired preset type.
 Esc: exit line mode.
3． UserKey Setting
Define a relative function for User Key at the front panel (the defining
method is as described below). After that, pressing User Key under any
operation interface can quickly enable the pre-defined function.
 Press UserKey Set and select “On”.
 Open the desired function menu, such as: System  Self-Test  Key
Test.
 Press User Key and the definition is finished. UserKey Set turns off
automatically.
Coupl Param
Set all the related parameters automatically according to the coupling relationship.
Definitions of the auto coupling parameters:
1. CF Step
This parameter maintains a coupling relationship with RBW (or span) in zero
span (or non-zero span) mode. Refer to “CF Step” for more details.