Furuno MODEL CSH-73 - Manual (Page 11)

1-3
Control Function
NORM, E/S, HIST
(Mode keys) Select display mode: NORM, normal sonar picture; E/S, Echosounder
combination; HIST, Historical display.
Lamp above a key lights to show current selection.
RECALL, MEMO RECALL: Replays saved picture.
MEMO: Saves picture to memory card or internal memory.
RANGE Selects a picture display range. Range selected appears on the display.
GAIN Adjusts receiver sensitivity.
TRAIN Rotates the transducer. The center of the sounding beam can be
oriented in any direction between 165
°
port and 165˚ starboard.
AUTO TRAIN
WIDTH Press AUTO TRAIN to train the transducer automatically within
±
30
°
,
±
60
°
,
±
90
°
or
±
120
°
sector as selected with the WIDTH key.
The lamp above the switch lights during the automatic training
operation.
TILT Changes the tilt angle of the sounding beam between 0
°
and 90
°
.
AUTO TILT,
WIDTH Automatically tilts the sounding beam up and down in 2
°
steps within
the tilt angle selected by the WIDTH key. The lamp above the key
lights when automatic tilt is on.
NET COURSE Marks location of net.
TARGET LOCK Tracks a fish school.
EVENT , Inscribe event mark on the display, to find horizontal range, depth and
bearing to a target. Note that the EVENT key can function the
same as the SHOOT key of the remote control box. This can be done
on OTHER sub-menu in the INIT/SET menu
ESTIMATE 1, 2 Compares volume of two fish schools.
FISH Measures fish school speed.
OFF-CENT Relocates selected target.
DIM Adjusts the backlighting of the control panels and the brightness of
the lamps above keys.
CONT Adjusts screen contrast.
BRILL Adjusts screen brilliance.
AUDIO Adjusts volume of built-in loudspeaker, which monitors a target
appearing along the bearing marker.
TRACKBALL Follows on-screen movement of trackball mark, to enter marks and
off-center the screen.