Keysight 53220A/53230A User’s Guide 301
Q
questionable condition register
voltage overload bit
, 135
Questionable Data register
clearing, 221
questionable event register
voltage overload bit, 135
R
radix, 36
range
, 136
range example
, 136
reading count
query, 255
statistical functions
, 215
reading decimation
, 239
reading formats
, 248
reading memory
, 251
creating data files
, 261
creating folders
, 259
creating state files
, 262
default folder
, 260
effects of graphics 
functions, 246
reading threshold
, 255
transferring readings to output 
buffer, 252
reading the battery level
, 32
reading the current count
, 180
reading transfer size
, 249
reading transfers
memory to output 
buffer
, 252
reading units
, 212
real data formats
, 248
REAL format
reading length
, 249
rear panel overview
, 24
reference oscillator
configuration
, 78
external frequencies
, 80
standby power
, 82
using an external 
reference, 78
reference settings
auto level
, 42
date and time
, 40
measurement time out
, 41, 
86
time base
, 41
reference values
example
, 211
scaling functions
, 210
relative threshold level
, 143
removing folders
, 270
resetting histograms
, 230
resetting limits
, 221
resolution
and gate time, 170
digits
, 170
resolution enhancement
, 170
RF signal strength
, 152
rise and fall time 
measurements
, 106
S
sample count, 164
saving states from the front 
panel, 264
scale functions
assigning reading units
, 212
enabling
, 208
example
, 213
gain and offset
, 211
M/x-b
, 212
Mx-B
, 209
NULL
, 209
PCT
, 209
PPB
, 209
PPM
, 209
reference value
, 210
SCALe
, 209
scaling data
, 207
SCPI formats
, 87
screen capture
, 38
screen control
, 37
securing the instrument
NISPON, 44
sensitivity
, 140
setting the gate source
, 168
setting the gate time
totalizing
, 177
setting up histogram data
, 226, 
236
shipped with counter
, 26
signal conditioning
settings summary, 133
signal conditioning path
, 133
signal levels
, 152
signal strength
, 152
single-period 
measurements
, 117
slope
threshold, 150
slope example
, 151
smoothing data
example, 207
software installation
IVI drivers, 56
Keysight IO libraries
, 54
standard deviation
, 215, 218
standby power
, 30, 82
start gate
configuration example
, 193
start gate delay
, 193
start gate source
, 189
statistical functions
, 214
Allan Deviation
, 217
average peak-to-peak 
value
, 216
average value
, 216
clearing values
, 218
enabling
, 215
example
, 216, 217
maximum value
, 215
mean
, 215
minimum value
, 215
reading count
, 215
standard deviation
, 215, 218
statistics
resetting, 246
stop gate
configuration example, 201
stop gate holdoff
, 196
stop gate source
, 197
storage and operating 
environments, 27
synchronization with other 
instruments, 183
syntax conventions
SCPI
, 87