IFR 2026

46882/439 3-1
Chapter 3
LOCAL OPERATION
Contents
Introduction....................................................................................................................................3-4
Conventions ...................................................................................................................................3-4
Front-panel controls and connectors
..............................................................................................3-4
Rear-panel connectors
....................................................................................................................3-6
First-time use
................................................................................................................................3-9
Switching on
..................................................................................................................................3-9
Display
...........................................................................................................................................3-9
Selecting functions and keyboard entry
.......................................................................................3-12
Param
eter adjustment...................................................................................................................3-13
Displaying shifts
..........................................................................................................................3-14
Com
biner summary......................................................................................................................3-15
Individual source operation
......................................................................................................3-17
Signal source selection
.................................................................................................................3-17
Carrier frequency selection
..........................................................................................................3-17
Carrier on/off
........................................................................................................................3-18
RF level selection
.........................................................................................................................3-18
Choice of units
......................................................................................................................3-18
Reverse power protection
.....................................................................................................3-18
M
odulation selection....................................................................................................................3-19
M
odulation modes .......................................................................................................................3-19
Mode selection
.............................................................................................................................3-19
Sig gen screens
.....................................................................................................................3-20
Internal waveform
selection.........................................................................................................3-21
M
odulation source adjustment..............................................................................................3-21
External source coupling
..............................................................................................................3-22
DCFM nulling
.......................................................................................................................3-22
M
odulation ON/OFF....................................................................................................................3-23
Am
plitude modulation selection..................................................................................................3-23
Frequency
modulation selection ..................................................................................................3-24
Phase m
odulation selection..........................................................................................................3-24
Pulse m
odulation selection...........................................................................................................3-24
FSK selection
...............................................................................................................................3-25
Sw
eep...........................................................................................................................................3-27
Sweep operation
...........................................................................................................................3-27
Sweep control
.......................................................................................................................3-28
Utilities
........................................................................................................................................3-31
Utility m
enu selection..................................................................................................................3-31
Selection m
enu 1..........................................................................................................................3-31
Display adjustm
ent (menu 1).......................................................................................................3-31
Frequency standard selection (m
enu 1) .......................................................................................3-32
Carrier phase adjustm
ent (menu 1)..............................................................................................3-33
RF level units selection (m
enu 1) ................................................................................................3-33
50 Ω /
75 Ω impedance selection (menu 1) ..................................................................................3-34
Power-up options (m
enu 1)..........................................................................................................3-35
Default settings
............................................................................................................................3-35
M
odulation mode selection (menu 1) ..........................................................................................3-36
Rem
ote control selection (menu 1)..............................................................................................3-37
Background error reporting (m
enu 1)..........................................................................................3-37
Protection locking and unlocking (m
enu 1).................................................................................3-38
Selection m
enu 2..........................................................................................................................3-39
Software inform
ation (menu 2)....................................................................................................3-39
Hardware inform
ation (menu 2) ..................................................................................................3-40
Patent inform
ation (menu 2)........................................................................................................3-40
Display blanking (m
enu 2)...........................................................................................................3-40