EXFO FTB-800 Series for FTB-1 - Manual (Page 245)

Test Setup - Test Configurator, Timer, and System
NetBlazer 235
Timer

Stop Time selects the time the test will automatically stop. The Stop
Time check box has to be selected to be included in the test timer.
Note: A valid stop time has to be subsequent to the current time or to the start
time, when enabled. The stop time must not exceed 30 days based on the
start time. The stop time cannot be enabled while Duration is enabled.

ARM button, available when the Start Time check box is selected
(cleared by default), enables the start test timer. Not available while
the test is running. It is not possible to start the test case when the start
time is armed.
Note: An icon is displayed in the global test status area indicating that the timer is
enabled. Armed is displayed when the test start time is armed while the
test is not started. Refer to Global Indicator on page 29 for more
information.