I don't think these are documented anywhere else, but here they are extracted from the code.
Ctrl+B: Cycles baud rate for channel 1.
Ctrl+B
Ctrl+Shift+B: Cycles baud rate for channel 1 backwards.
Ctrl+Shift+B
Ctrl+Alt+B: Cycles baud rate for channel 2.
Ctrl+Alt+B
Ctrl+Shift+Alt+B: Cycles baud rate for channel 2 backwards.
Ctrl+Shift+Alt+B
Z: Snap display to cursors.
Z
M: Show dialog to enter ranges manually.
M
c: Snapshot channel 1.
c
v: Snapshot channel 2.
v
Up: Same as scrolling up while holding Ctrl (zoom in vertically).
Up
Down: Same as scrolling down (zoom out vertically).
Down
w: Same as arrow up.
w
s: Same as arrow down.
s
Ctrl+w: Same as Ctrl+arrow up.
Ctrl+w
Ctrl+s: Same as Ctrl+arrow down.
Ctrl+s
Left: Increase delay.
Left
Right: Decrease delay.
Right
Ctrl+Left: Increase delay a lot.
Ctrl+Left
Ctrl+Right: Decrease delay a lot.
Ctrl+Right
a: Same as arrow left.
a
d: Same as arrow right.
d
Scroll up
Scroll down
Scroll right
Scroll left
Alt + Scroll up
Alt + Scroll down
Use at your own peril.
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