Furuno FR-2805 Series - Manual (Page 18)

1-3
Main control panel
OFF ON
EBL BRILL A/C RAIN
OFF ON
VRM
RANGE
ACQ
AUDIO
OFF
ST-BY
TX
GAIN A/C SEA
FUNC4 FUNC1 FUNC2 FUNC3
A/C
AUTO
BRILLIANCE control
Adjusts brightness of
entire screen.
A/C RAIN control
Reduces clutter from
rain, snow and clouds.
A/C SEA control
Reduces sea clutter.
GAIN control
Adjusts receiver
sensitivity.
TRANSMIT switch
RANGE keys
Selects range
scales.
FUNCTION keys
#1 key: Setup 1
#2 key: Setup 2
#3 key: Setup 3
#4 key: Setup 4
A/C AUTO key
Reduces sea
clutter at pre-
set level. Per-
mits manual
override by
A/C SEA and
A/C RAIN
controls.
EBL ON/OFF control
Pressing ON key toggles
between No.1 EBL and
No.2 EBL. Bearing is
read either Relative or
True at the lower left
corner of the screen.
VRM ON/OFF keys and rotary control
Press ON to activate VRM. Turn
rotary control clockwise to increase
VRM diameter; counterclockwise to
decrease it. Read range at lower-right
hand corner of screen. There are two
VRMs which are toggled by each press
of ON key. Press OFF key to deactivate
each VRM.
AUDIO OFF key
Silences aural alarm
(except guard alarm)
and ARP-23 (option)
generated alarm.
Trackball
Shifts cursor
on radar
screen.
ACQ key
Press key after
selecting target by
trackball. The target
will be acquired in
30 sec.
GAIN, A/C RAIN, A/C SEA and BRILL controls are of push-and-rotate type. Push in
wanted switch lightly, and it will pop up. Rotate it to the wanted setting and push it in.
The retracted position of the controls provides a better protection for water splash.