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1. OPERATIONAL OVERVIEW
1.1 Control Unit
All operations are carried out from the control unit. All controls quickly respond to the
operator's command and the associated reaction can be seen on the screen almost
immediately.
Control unit
F1 F2
F3 F4
RANGE GAIN
Color Scanning Sonar
POWER
Lowers the transducer.
Raises the transducer.
Turns power
on/off.
FISH: Inscribes fish mark.
EVENT: Inscribes event mark.
TARGET LOCK: Tracks trackball-selected
position.
R/B: Displays range and
bearing marks.
FISH ALARM: Turns fish alarm on/off.
STABILIZER: Compensates for affects
of ship's pitching and
rolling. (Requires Motion
Sensor MS-100.)
OFF CENTER: Shifts the display.
ALARM ZONE: Sets fish alarm zone.
DELETE MARK: Deletes selected mark.
MENU: Opens/closes menu.
Execute assigned
program; register
function key program.
Chooses display
range; chooses
menu item.
Adjusts receiver
sensitivity; chooses
menu option.
Trackball
Positions trackball
mark.
Sets the tilt
angle.
TILT
FISH
EVENT
TARGET
LOCK
OFF
CENTER
STABI-
LIZER
DELETE
MARK
MENU
R/B
ALARM
ZONE
FISH
ALARM