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SCALE UNIT
Scale unit in depth is selectable among Meters (M), Fathoms (FA),
Feet (FT) and Brazas (BR).
TEMP UNIT
Temperature unit is selectable in C or F (Optional sensor required).
TEMP ADJ
Temperature fine adjustment is available.
C-ECHO
“Clean Echo” (noise rejecter) circuit eliminates small noise or interfer-
ence from other sounder, selectable OFF or ON.
STC
“Sensitivity Time Control” circuit eliminates clutters or noises near the
surface, selectable Low, Medium, High settings.
High settings eliminates them excessively.
PW REDUCER
Output power is reducible from normal mode. Approx. rates are;
A : 1/3B
B : 1/3C
C : NORMAL
SPLIT SCR
Screen picture mode is selectable in 2-Frequency mode or special
modes like EXP, B/L or HIS.
0
4
2
8
10
6
0
4
2
8
10
6
0
4
2
8
10
6
L/R:
U/L:
