EXFO MaxTester MAX-610 - Manual (Page 211)

TDR
MaxTester Copper Test 203
Continuous

Test Status displays the current state of measurement or an error
message.

Load Trace function key opens a new page that allows you to load a
trace from a list of previously saved TDR tests

Clear Trace function key deletes the loaded trace from the graph.

Landscape Mode function key allows you to view the test results in
landscape mode. Rotating the unit clockwise or counter-clockwise
and having the keyboard on the right or left is dependent on your
preferred Landscape Mode Settings configured in Application
Settings/General.
This mode generates the following function keys:

Portrait Mode is used to change the screen orientation from
landscape to portrait.

Select Graph opens a new selection of function keys which allow
you to maneuver the graph. (Same as above.)