8-6
Procedure for opening the menu
(1) Place the cross-cursor in any position in the sub-screen area (the □ area in the
figure below).
(2) Click the left button of the mouse/track ball (or press the menu key [ ]) to open
the menu.
Procedure for opening the option menu
(1) Place the cross-cursor in any position at the bottom of the sub-screen area (the □
area in the figure below).
(2) Click the left button of the mouse/trackball (or press the menu key [ ]) to open
the "OPTION” menu.
Multiple screen display in horizontal screen
mode
Fish finder display in audio screen mode
Place the cross-cursor in these
areas, and then click the left button
of the mouse/trackball (or press the
menu key [ ]). Then, the menu
operation can be enabled.