Tektronix TDSUSB2 User Manual

Reference Error Codes and Warnings
Error Codes
Error Message Description
Possible Solut
ions
E202
Number of reco
rd points
(data points) are too few to
process
At least 500 record points
are required t
o perform an
operation. The application
automatically sets the
required reco
rd length. The
user should not change the
record length
Try acquiring the signals
again the pres
sing Run
button
E203
Idle region is not found
after EOP
As part of the USB2.0
packet desc
ription, an
EOP region follows an idle
region. If no idle region
is found, it
may lead to
incorrect results
Try acquiring the signals
again by pressing the Run
button
E204
Reconfirm acquired data
before computing the
results
As part of the USB2.0
packet description, a
minimum o
f three J-K or
K-J state transitions are
expected. An absence of
these tra
nsitions may lead
to incorrect results
Tr y acquir
ing the signals
again by pressing the Run
button
Signal rate measurement errors or warning
E301 There sh
ould be at least
two Cross-Over time values
to calculate the signal rate
For sign
al rate calculations,
the application expects a
minimum of two Cross-Over
points
Try acqu
iring the signals
again by pressing the Run
button
E306
Devic
e/ File doesn’t match
with the selected speed
The signal rate should be
withi
n 30% of the specified
signal rate of the Low, Full
and High Speed signals
Please check the speed
of the
connected device.
Ensure that the selection in
application is the same. For
examp
le, if a Low Speed
unit is under test, make
sure Low Speed is selected
in th
e application
JK and KJ Jitter M easurement Errors
E304
Number of bits is not
suf
ficient to calculate JK
jitter
More than four Cross-Over
poi
nts are expected by the
algorithm
Tr y acquiring the signal
again by pressing Run
but
ton
E30
5
Number of bits is not
sufficient to calculate KJ
ji
tter
More than four Cross-Over
points are expected by the
al
gorithm
Try
acquiring the signal
again by pressing Run
button
Re
port Generation Errors
E401 Error generating report in
P
lug Fest format
This error is generated
i
f there are no results to
process
C
heck if the valid directory
and file name is selected for
report generation. Check
i
fthefile name extension
is .htm. Try generating the
report again by pressing
Run button
156 TDSUSB2 Universal Serial Bus Measurements Package

Tektronix TDSUSB2 Specifications

General

Brand	Tektronix
Model	TDSUSB2
Category	Measuring Instruments
Language	English