EXFO FTB-8500 Series for FTB-500 - Manual (Page 383)

System Tabs
Ethernet and Fibre Channel Application 369
Default/Ethernet Test Preferences
Note: The default test preferences are saved per slot on the FTB-500 meaning that
the configuration will not follow the module when changing the module
from one slot to another. However, a configuration on a specific slot will
remain when replacing a module by another module of the same model.
Configuration

Laser On: Selects Laser On every time a test is created manually using
the wizard. The Laser On check box is selected by default.

Couple Start/Enable TX: Available with FTB-8510B and FTB-8510G
only. Automatically selects the stream transmission when the test is
started. This setting applies to Frame Analyzer test only. The stream
transmission stops when the test is stopped. The Couple Start/Enable
TX check box is cleared by default. Refer to Enable TX - On/Off button
on page 202 for more information.