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BACK GRD
Back ground color is selectable Black or Blue.
COLOR
Color configuration (Pattern) is selectable among 8 patterns.
Also, your own original setting is available for special mode.
EXP RATE
Expansion rate is selectable among 2 times (X2), 4 times (X4) or 8
times (X8) for each depth range.
Expanded area is shown by red bar on the right side of picture.
B/L EXP
Bottom Lock (Bottom is displayed as straight line in any contour) ex-
pansion rate is selectable among 2 times (X2), 4 times (X4) or 8 times
(X8) for each depth ranges.
Also, fixed ranges such as 5, 10, 20 (M, FA, BR), 10, 20 or 40 (FT) are
selectable.
B/L POSI
Bottom Line in Bottom Lock mode picture is shown on center or bottom
of screen.
DIGIT
Size of Bottom Depth display is selectable.
DIG POSI
Digital depth read out position is selectable at upper or lower left side
of screen.
