When the Sub menus other than
INFORMATION selected,
They are displayed in the Bottom Scan
Mode Display (#1, #2 and #3).
“IR-ON” is not displayed when
INTERFERENCE REJECTION OFF selected.
They are displayed as the data of the range
marker in the Bottom-Scan Mode.
They are displayed in the Bottom-Scan
Mode (#4).
They are displayed in the lower right corner
of Sub-Display when an external navigator
connected.