Lowrance X125 Operation Instructions Manual page 40

The Full Sonar Chart is the main display option. This is a "cross-
section" view of the water column beneath the boat. The chart moves
across the screen, displaying sonar signal echoes that represent fish,
structure and the bottom.
Digital data
overlay
(depth &
temperature)
Fish arches
Structure
Sonar chart display options (from left) split zoom (all models)
and split frequency (X126DF and X136DF only).
Surface signal
Bottom signal
Sonar Page, showing full sonar chart mode.
Surface clutter
36
Depth scale
In FasTrack, fish
arches show as
horizontal bars.
Zoom bar
FasTrack
bar graph