Index
Numbers
1K/4K, 3-75
1K/4K button 
described, 2-21 
located, 2-21
4K Compress, 3-16
A
AC coupling, 3-2
AC signal, defined, G-1
Accessories, optional, List of, A-3
Accessories, standard, List of, A-2
Accumulate Peak acquisition mode 
defined, G-1 
when to use, 3-13
Accuracy, defined, G-1
Acquisition 
defined, G-1 
interval, defined, G-1
ACQUISITION button, menu, 2-26, 
2-28
Acquisition menu 
Acq Mode, 2-26 
)  Cursor Knob Func, 2-27 
Ext Clock,2 -27
Reset Default Acq  Modes, 2-27 
Roll/Scan, 2-27 
shown, 2-26
Acquisition mode
Accumulate Peak, 3-8, 3-13 
Average, 3-8, 3-14 
Peak Detect, 3-9, 3-13 
Sample, 3-8,  3-14 
selecting, 3-9
Active cursor, defined, G-1
ADD ALT CHOP switch 
description, 2-11 
located, 2-10
ADV FUNCT button, menu, 2-30
Advanced Functions menu 
Comm Menu, 2-30 
Drag Menu, 2-30 
Factory Reset, 2-30 
Save Setup Menu, 2-37 
Save Setup Menu submenu 
Pwr Up State, 2-31 
Recall Setup, 2-32 
Save Setup, 2-32 
Select Setup, 2-31 
shown, 2-30
Aliasing 
defined, G-7 
preventing, 3-78 
symptoms of, 3-78
Alternate Current, defined, G-7
Alternate mode, defined, G-7
Amplitude, defined, G-7
Attenuation, defined, G-7
Automatic trigger mode, defined, G-2
Average mode, when to use, 3-14
B
Bandwidth 
defined, G-2 
limiting, 3-24
Bandwidth Limit, 3-24
BEAM FIND button 
described, 2-9 
location, 2-8
Bezei, defined, G-2
Bezel buttons, defined, G-2
Button
POWER, 1-4, 2-4 
STORE/NONSTORE, 2-6
BW LIMIT button 
described, 2-11 
located, 2-10
C
CAL switch 
described, 2-13 
located, 2-12
Cautions and Warnings, definitions, 
1-1
CH 1  BOTH CH 2 switch 
described, 2-13 
located, 2-72
CH 1  COUPLING switch 
described, 2-13 
located, 2-72
CH 1  OR X input BNC, located, 2-72
CH 1  OR X input connector, de
scribed, 2-73
CH 1  POSITION knob
described, 2-77 
located, 2-10
CH 1  VOLTS/DIV switch
described, 2-13 
located, 2-12
CH 2 CAL knob 
described, 2-11 
location, 2-10
CH 2 COUPLING switch 
described, 2-73 
located, 2-12
CH 2 OR X BNC, located, 2-72
CH 2 OR X input connector, de
scribed, 2-13
CH 2 POSITION knob 
described, 2-11 
located, 2-70
CH 2 VOLTS/DIV knob 
described, 2-11 
located, 2-10
Characteristics, Table of, A-8
Chop mode, defined, G-2
Clocking, external, 3-75
Complex signals, triggering  on, 3-27
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2221A User Manual M