Keyboard Commands to Manipulate the Integrals

Press alt and rotate the mouse scroll wheel to increase or decrease the height of the integral curves in 1D spectra.

Action Shortcut
Amplify the Curves by a factor of 2 Alt-Plus on the Mac or Right Bracket ( ] ) on all platforms
Amplify the Curves by a factor of 1.1 Alt-control-Plus (Mac only)
Amplify the Curves by a factor of 5 Alt-Shift-Plus (Mac only)
Reduce the Curves by a factor of 2 Alt-Minus on the Mac or Left Bracket ( [ ) on all platforms
Reduce the Curves by a factor of 1.1 option-control-Minus (Mac only)
Reduce the Curves by a factor of 5 option-Shift-Minus (Mac only)
Lift the Curves Alt-Up Arrow (also with alt-control and alt-Shift)
Lower the Curves Alt-Down Arrow (also with alt-control and alt-Shift)
Hide Brackets and Values &
All the brackets on the same line A (uppercase)
Split an integral region into two parts Caps Lock + click with the integrator tool + the preference “iNMR Can Split Integrals”

You can use the mouse to move the curves up and down. Click on the bottom line and drag.