REW V5.19 Beta 8
Macbook pro - OS X 10.13.3 JRE 1.8.0_102_64
Make a Measurement changes the selected Output Channel to Both
Preferences set the Output Device Channel to Right (or Left)... Click Measure opens the "Make a Measurement" window, set channel to Right (or Left).. Start Measuring starts on the channel set but just after capturing noise floor, it changes the channel to Both (similar behavior on Check Levels).
Macbook pro - OS X 10.13.3 JRE 1.8.0_102_64
Make a Measurement changes the selected Output Channel to Both
Preferences set the Output Device Channel to Right (or Left)... Click Measure opens the "Make a Measurement" window, set channel to Right (or Left).. Start Measuring starts on the channel set but just after capturing noise floor, it changes the channel to Both (similar behavior on Check Levels).