User manual

4.4.3 Packet Error Rate - Legend
The Legend displays color coded information about the channel selected.
Bluetooth low energy
For Bluetooth low energy:
l The number of Packets with No Errors and percentage of packets with No Errors in relationship to total
packets for the channel is displayed in green.
l The number of Packets with CRC Errors and percentage of packets with CRC Errors in relationship to
total packets for the channel is displayed in dark red.
l Total packets and Total percentage is displayed in light blue.
For a description of the Channel Not Available symbol, see PER Stats Channel.
4.4.4 Packet Error Rate - Additional Statistics
This Additional Statistics section of PER Stats displays
information about selected packets, duration, and Y-Axis max,
and it also has two controls.
l
Selecting MHz On displays the megahertz value for
each channel in the main channels chart and also in the
expanded chart.
l
Selecting MHz Off removes the megahertz value.
l Selected Packets displays the packet range selected in the
Scroll Bar. This includes inapplicable packets.
Inapplicable packets include Wi-Fi packets, Sniffer Debug packets, any packets that are not relevant to PER
Stats. Inapplicable packets do not appear as part of the Additional Statistics. packets.
l Selected Duration identifies the total amount of time in the selected packet range displayed in the Scroll
Bar.
l Duration Per Bar in Scrollbar: identifies the amount of time represented by each bar in the Scroll Bar.
l
The Channel Graph Y-Axis Max can display two different values. When the Snap Arrow is orange ,
the values for channels in the main chart are shown in relative terms in Snap Mode. This means that one
channel (or channels) with the greatest value is "snapped" to the top of the chart. In the graphic below left,
Chapter 4 Capturing and Analyzing Data TELEDYNE LECROY
Frontline BPA low energy Hardware & Software User Manual 143