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Index-2
Index
create print, 3-47
crossing level description, 3-5
custom keypad, 1-3
custom mask or limit line testing, 2-23
custom prefix, 3-45
D
data pattern display, 2-27
data signal configuration, 2-2
data, user-corrections, 3-20
date and time viewing, 3-21
date code of firmware, 3-20
dc offset compensation, 3-23
default and custom mask or limit line testing,
2-23
DEFAULT command, 4-6
definition
INSTR PRESET key, 1-11
definitions
0 level, 3-4
1 level, 3-4
crossing level, 3-5
extinction ratio, 3-4
eye height, 3-4
eye jitter, 3-5
eye width, 3-5
mean fall time, 3-5
mean rise time, 3-5
measurements, 3-4
delay a channel, 3-64
delay addition, 2-28
delay between channels, matching, 3-63
DELAY command, 4-7
delete a line of data, 3-55
description
eye-diagram measurements, 3-3
masks and limit lines, 3-9
setup and trg, cal menu, 3-12
DIAGRAM command, 4-7
disk
GPIB, 3-37
internal RAM, 3-37
display
copy, 3-47
traces, 3-25
display control, 3-16
display the data pattern, 2-27
display trace errors, 2-21
display traces, 3-25
display, number of bits, 3-16
display, plot, 3-48
displaying traces, 3-25
duplicate, memory card, 3-41
E
edit a line of data, 3-55
edit mask or limit line, 2-24
enter a line of data, 3-54
entering and editing user-corrections, 3-52
erase files, 3-43
erase mask or limit line, 3-46
erase user-correction file, 3-60
errors, stop on and display trace, 2-21
example
70841A/B status screen, 1-24
autoscaled display of low-level signal, 2-11
display of user error in pattern mode, 2-29
extinction ratio measurement, 2-7
extinction ratio measurement on low-level
signal with eye filtering, 2-12
eye measurements, 2-6
eyeline display showing laser overshoot, 2-
17
filtered laser overshoot, 2-18
large overshoot resulting from laser bias, 2-5
laser overshoot and turn-on delay, 2-14
limit line displayed on screen, 3-10
pattern mode display, 2-28
two masks displayed on screen, 3-9
user-corrections applied to the data, 2-16
user-created mask, 2-23
extend the bandwidth to 40 GHz, 3-17
EXTIN command, 4-8
extinction ratio description, 3-4
extinction ratio measurement, 2-6
modes available, 1-5
extinction ratios on low-level signals, 2-10
eye filtering, 2-12
eye height description, 3-4
eye jitter description, 3-5
eye measurements, example, 2-6
eye mode, 1-5, 1-6
eye width description, 3-5
eye-diagram analysis, 1-2