Finisar Surveyor, User Manual

Page: 115 / 454

6-17
Views
Packet Editor
6
radio button and press the
Range...
button. Click, hold, and drag with the left mouse
in the histogram to select the range you want to save.
Resume Analysis
You can set Surveyor to save the downloads you make from the THGsE or local
disk when analyzing a histogram file. To retain the downloads of the histogram
when working with the data on a remote THGsE, set the
Resume Analysis on host
with the following Histogram file...
option in the
Connect...
menu for the THGsE and
select the proper histogram file. To retain downloads of a capture you have saved
during the previous analysis, set the
Resume Capture Analysis
option when you
open the histogram file.
Packet Editor
The Packet Editor can be used to modify the contents of packets when in Capture
View. The editor provides two views of packets, detail view and hex view. Edits can
be made within either view. Double-click on a packet in the Summary Pane of
Capture View to edit a packet.
The editor must be enabled for use. To enable the Packet Editor, check
Enable
Packet Edit
from the
Configuration
→
Capture View Options
menu.
Table 6-5 shows the buttons that are available within the Packet Editor:
Table 6-5. Packet Editor Buttons
Button Description/Action
Auto CRC Causes the 4-byte CRC error check value to be automatically calcu-
lated and written to the frame. With this option selected, creating
frames with a bad CRC is not possible.
Compute CRC Inserts the correct CRC error check value for the frame. You can use
this option to create frames with or without correct CRC error check
values.
Set Size Sets the size of the packet. The current size of the packet is displayed
for reference. Packet sizes from 8 to 1518 bytes are allowed.
Decode Takes the values entered in the Hex View window of the Packet Edi-
tor, decodes the packet, and displays the resulting decode in the
Decode View window.
Undo Undo the last editing action. Only one level of undo is supported.
OK Save edits.
Cancel Leave the editor without saving changes.