2-6 PREPARATIONFOR STORAGE/SHIPMENT . . . 2-13
Preparation for Storage.............2-13
Preparation for Shipment............2-13
Chapter 3 Local (Front Panel) Operation
3-1 INTRODUCTION ...................3-5
3-2 FRONT PANELLAYOUT...............3-6
Line Key ....................3-6
Data Display Area ................3-6
Data Entry Area.................3-7
RF Output Control Key .............3-7
Connectors ...................3-7
3-3 DATADISPLAY AREA ................3-8
Menu Display Format ..............3-9
Menu Keys ...................3-10
3-4 DATAENTRY AREA.................3-12
3-5 INSTRUMENT START-UP .............3-14
Powering Up the 681XXC............3-14
Start-Up Display ................3-14
Standby Operation ...............3-14
Self-Testing the 681XXC ............3-15
Resetting to Default Parameters ........3-15
3-10 POWER LEVEL SWEEP OPERATION.......3-53
Selecting CW Power Sweep Mode ........3-53
Setting CW Power Sweep Step Size and Dwell Time3-54
Selecting a CW Power Sweep Trigger ......3-55
Selecting a Power Level Sweep Range......3-56
Selecting a Sweep Frequency/Step Power Mode . 3-58
Setting Power Level Step Size .........3-59
3-11 LEVELING OPERATIONS .............3-60
Selecting a Leveling Mode ...........3-60
Attenuator Decoupling .............3-64
ALC Power Slope................3-65
User Cal (User Level Flatness Correction) . . . 3-67
3-12 SIGNAL MODULATION ..............3-73
Amplitude Modulation Operating Modes ....3-73
Providing Amplitude Modulation ........3-73
ii 681XXC OM
Table of Contents (Continued)