Furuno 1934C - Page 49

3-5
(3) Target pushed
outward
(2) Correct
(1) Target
pulled
Examples of improper and correct sweep timing
a) Choose ON and then press the ENTER soft key.
b) Transmit on the shortest range and confirm that gain and A/C SEA are properly
adjusted.
c) Visually select a target which forms straight line (harbor wall, straight piers).
d) Rotate the ENTER knob to straighten the target selected at step b), and then press the
ENTER knob to finish.
23. Choose M. B. SUPPRESSION and press the EDIT soft key.
M. B. SUPPRESSION
▲
¡ ON
¤ OFF
▼
24. Choose ON and then press the ENTER soft key. Main bang is the “black hole” which
appears at the display center on short ranges. Choosing ON will suppress the main
bang.
25. Choose RADAR ANTENNA HEIGHT and then press the EDIT soft key.
 HIGH (>10m, 33ft)
 MEDIUM (3-10m, 10-33ft)
 LOW (<3m, 10ft)
RADAR ANT. HEIGHT
26. Choose the height of the antenna above the water surface and then press the ENTER
soft key.
27. Choose STC CURVE and then press the EDIT soft key.
STC CURVE
▲
¡ NARROW
¤ NORMAL
¡ WIDE
▼
28. Choose appropriate STC curve setting and then press the ENTER soft key.
NARROW: The effective range of the A/C SEA adjustment is relatively short.
NORMAL: Between NARROW and WIDE.
WIDE: The effective range of the A/C SEA adjustment is relatively long.