Configuring
the RF Configuring the RF of the 681XXC involves the fol-
lowing:
qSelecting whether the RF should be on or off
during retrace.
qSelecting whether the RF should be on or off
during frequency switching in CW,step sweep,
and list sweep modes.
qSelecting whether a sweep triggered be a sin-
gle or external trigger should rest at the top or
bottom of the sweep ramp.
qSelecting whether the RF should be on or off at
reset.
qSetting the reference multiplier value for fre-
quency scaling.
qSelecting 40 dB or 0 dB of attenuation when
RF is switched off in units with a step attenua-
tor (Option 2) installed.
Togo to the Configure RF Menu (below) from the
System Configuration menu, press RF .
Press Retrace RF to select RF On or Off during
retrace. The display will reflect your selection.
Press Delta-F RF to select RF On or Off during fre-
quency switching in CW,step sweep, and list sweep
modes. The display will reflect your selection.
Press Ramp Rest to select 0 or 10 for the ramp rest
point for sweeps triggered a single or external trig-
ger.0 indicates that the sweep will rest at the bot-
tom of the sweep ramp; 10 indicates that the sweep
will rest at the top of the sweep ramp. The display
will reflect your selection.
Press More to go to the additional Configure RF
menu for more selections.
Press Previous Menu to return to the System Con-
figuration Menu display.
681XXC OM 3-83
LOCAL (FRONT SYSTEM
PANEL) OPERATION CONFIGURATION