WAVE version 6.11 and later versions allow you to change the displayed sizes of individual signals if you wish. If the Annotation Template is not open, open it by left-clicking anywhere in the signal window, then left-click again in the signal window to return the focus there.
Select the signal of interest by pressing 
 and clicking
with the left mouse button while the pointer is near the signal of
interest, which will be highlighted by WAVE  when you do so.  Next,
press and hold
 and clicking
with the left mouse button while the pointer is near the signal of
interest, which will be highlighted by WAVE  when you do so.  Next,
press and hold 
 and one of
 and one of 
 (to enlarge the
signal),
 (to enlarge the
signal), 
 (to reduce the size of the signal), or
 (to reduce the size of the signal), or 
 (to reset the size of the signal to the value selected in the
View panel).
(to reset the size of the signal to the value selected in the
View panel).
You may repeat this operation with as many signals as desired. If you have not selected any signal, all signals are resized by these commands.
George B. Moody (george@mit.edu)