BERT Measurement
Step 1.
Press the
MEAS/DISP
key, select
BERT
and then the
Measure BERT
soft key.
Step 2.
Press the
Measure Duration
soft key and use the
Up/Down
arrow key to select
the duration of the measurement, and press
ENTER
. Figure 7-5 shows the T1
measurement display.
Step 3.
To display the measurement data in a histogram format, press the
Display Raw
Data/Histogram
soft key.
Step 4.
Press the
Measure Duration
soft key to set the duration of the measurement, and
press
ENTER
. The maximum measurement duration is two days.
Step 5.
Press the
Time Scale
soft key and use the
Up/Down
arrow key to select the histo-
gram resolution, and press
ENTER
. The maximum time scale is 60 minutes.
NOTE
: The unit sets the histogram display and collects and displays the data
based on the selected time scale. For example, if the time scale is set to 30
minutes, the unit collects and updates the histogram display data every 30 min-
utes. When the time scale is set to Auto, the unit automatically sets the histo-
gram display to collect the data based on the selected measurement duration.
Step 6.
Press the
Start/Stop Measure
soft key to begin the measurement.
Step 7.
Press the
SYS
key, then the
Options
and
Log Data
soft keys to save the data. A
message window will display if there is insufficient memory to log the complete
duration. Adjust the Measurement Duration and Time Scale as necessary to log
the data.
NOTE: The
RUN/HOLD
key can also be used to start or stop the measurement.
Chapter 7 T1 Measurements
7-5
Figure 7-5.
T1 BERT Measurement Display