GE Healthcare B30 User's Reference Manual page 68

B30 Patient Monitor
Push the ComWheel to
enter an adjustment
window or a submenu
Turn the ComWheel to
choose the desired
option or selection in
the window.
Push the ComWheel to
confirm the selection.
Press the
Submenus are indicated by a symbol
contain less frequently used functions.
3-4
Normal Screen
key to return to normal monitoring display.
. They function just like the main menus and