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
Frequency Modulation Operating Modes ....3-74
Providing Frequency Modulation ........3-75
Square Wave Modulation Operating Modes . . . 3-77
Providing Square Wave Modulation.......3-77
3-13 SYSTEM CONFIGURATION ............3-80
Configuring the Front Panel ..........3-81
Configuring the Rear Panel...........3-82
Configuring the RF ...............3-83
Configuring the GPIB .............3-85
Setting Increment Sizes ............3-88
3-14 SAVING/RECALLINGINSTRUMENT SETUPS . 3-89
Saving Setups .................3-89
Recalling Setups ................3-89
Erasing Stored Setups .............3-90
3-15 SECURE OPERATION ...............3-91
3-16 REFERENCE OSCILLATOR CALIBRATION . . . 3-92
681XXC OM 3-3
Table of Contents (Continued)