Furuno 1761 MARK-3 - Manual (Page 12)

2-1
2. OPERATION
2.1 Control Description
POWER
BRILL
SHIFT
ZOOM
RING
EBL VRM
MENU
RANGE
OFF
ECONOMY
STBY
T X
GAIN
PUSH/HM OFF
A/C SEA
A/C RAIN
Turns power on.
Press together with [STBY/TX] key
to turn power off.
Alternates between stand-by and
transmit.
Adjusts the brightness of the screen.
Selects radar range.
The "+" and "-" touchpads select a
higher and lower range, respectively.
Selets items during the menu display.
Turns the Electronic Bearing
Line (EBL) on and off.
Turns on and off the guard zone alarm.
(Control) Adjusts sensitivity of radar
receiver.
(Switch) 1. Temporarily erases heading
marker.
2. Change + cursor data from
R/B to L/L and vice versa.
(Control) Reduces sea clutter caused
by waves.
(Switch) Turns on/off the radar
target plotting
(Control) Reduces rain clutters.
(Switch) Suppresses heavy
precipitation.
Turns the fixed range rings on and off.
Turns the Variable Range Marker
(VRM) on and off.
Trackball
(1) Shifts cursor, EBL and VRM.
(2) Sets guard zone.
(3) Selects items and options on
menu.
(4) Shifts origin of EBL and VRM.
PUSH/PLOT
PUSH/FTC
GUARD
Turns the menu display on and off.
Lights (in green) to show the
radar is in the "echonomy
(stand-by)" mode.
Shifts the display; turns the zoom
function on, and restores normal
picture, in that order.
Figure 2-1 Control panel