300 Keysight 53220A/53230A User’s Guide
driver updates, 69, 74
K
Keysight Connection Expert
adding GPIB instruments
, 65
adding LAN instruments
, 57
adding USB instruments
, 62
interactive IO
, 67
locating LAN 
instruments
, 58
Keysight IO Libraries
installation, 54
L
L4490A
using the web-enabled 
interface
, 49
web interface home page
, 49
L4491A
using the web-enabled 
interface
, 49
web interface home page
, 49
LAN
adding instruments, 57
interface configuration
, 56
limit checking
, 219, 220
clearing limits
, 221
clearing the Questionable Data 
register
, 221
example
, 221
Questionable Data 
register
, 219
setting lower and upper 
limits, 220
locating instruments
, 58
low-pass filter
, 139
M
M/x-B, 212
managing folders and files
, 270
copying files
, 273
deleting files
, 270
moving files
, 273
manuals
, 27
materials included with 
counter
, 26
math functions
enabling
, 205
limit checking
, 219
M/x-B
, 212
scaling
, 209
smoothing data
, 206
math operations
statistical functions
, 214
mean
, 215
MEASure commands
, 89, 91
measurement gate
, 168
measurement mode
auto, 83
continuous
, 83
reciprocal
, 83
measurement time out
, 41, 86
measurements
burst pulse, 124
duty cycle
, 112
frequency
, 93
frequency ratio
, 95
period
, 97
phase
, 115
pulse width
, 109
rise and fall time
, 106
single-period
, 117
time interval
, 102
time stamp
, 99
totalizing (continuous)
, 122
totalizing (timed)
, 119
measuring low frequency signals, 
low-frequency signals.
, 144
memory
clearing, 246
effects of graphics 
functions, 246
internal flash
, 257
moving average filter
, 206
moving files
, 273
Mx-B
, 209, 211
N
NISPOM, 44
noise rejection
, 149
noise rejection example
, 150
noise rejection from bandwidth 
limiting
, 149
numeric format
, 36
digit group separator
, 37
radix
, 36
O
operating and storage 
environments
, 27
operating conditions
, 28
operating environment
, 27
option 300
battery, 31
output buffer
description, 252
transferring readings to
, 252
overview
display, 25
front panel
, 23
instrument
, 26
rear panel
, 24
P
PC IO interfaces
LAN, GPIB, USB
, 56
period measurements
, 97
phase measurements
, 115
positive and negative burst width 
measurements, 129
power-on states
, 267
probe factor
, 136
probe input compatibility
, 137
probes
, 134
input range
, 136
protection relay
, 135
proxy server
, 50, 61
pulse measurement 
threshold, 147
pulse repetition frequency 
measurements, 127
pulse repetition interval 
measurements
, 127
pulse threshold example
, 149
pulse width measurements
, 109