Distributed by
Any reference to Raytheon or
RTN in this manual should be
interpreted as Raymarine.
The names Raytheon and RTN
are owned by the
Raytheon Company.
Electronics
OPERATING FUNCTIONS
Turning Unit On/Off
R20, 21/40, 41XX SERIES RADARS
Quick Reference Card
On
On
STBY
OFF
=
Warm Up
1:30
:29
:28
=
Ready
STBY
:27
T ransmit
1
EBL
T
2
VRM
TM C UP
NM
O
O
1
L
1
T120
190
2.0 0
O
2
2
304
Transmit
XMIT
OFF
=
2.2 6
ALM
EXP
I
6
IR
C
CUR
RNO
O
N4235.68
WP
1. 3 4
0:07
3
O
O
RNG
1.2
W7000.37
190
.5
O
BRG
086
SPD14.5
0:07
Off
Off
STBY
OFF
+
XMIT
OFF
=
Press
Together
ADJUSTING FOR BEST TARGET RETURNS
Set control as follows Adjust
RANGE
3NM
RANGE
RainCL
VRM
Tune
Light
Speckle
EBL
SeaCL
F EBL
CURSOR
Gain
OFF
CENT
ZOOM
R20, 21/40, 41XX SERIES RADARS
Gain
Strongest
T argets
1
EBL
T
2
VRM
TM C UP
NM
O
O
1
L
1
T120
190
2.0 0
O
2
2
304
2.2 6
ALM
EXP
I
6
IR
C
CUR
RNO
O
N4235.68
WP
1. 3 4
0:07
3
O
O
RNG
1.2
W7000.37
190
.5
O
BRG
086
SPD14.5
0:07
PAGE
1
Electronics
MAKING MENU SELECTIONS
Select with Tracking Pad
MENU ENTER
Making Function Menu Selections
Quick Reference Card
FUNCTION
RADAR SETUP
INITIAL SETTING
MARPA
R20, 21/40, 41XX SERIES RADARS
FUNCTION
POSITION
WAYPOINT
ROUTE
IR
EXPANSION
TIMED TX
TX PERIOD
STBY PERIOD
FUNCTIONS
TUNE
WAKES
OFF L TD WPT L
OFF
OFF ON
OFF ON
OFF ON
OFF ON
10 20 30 SCAN
351015MIN
MANUAL AUTO
OFF SHORT LONG
DISPLAYING OWN SHIP'S POSITION
Select with Tracking Pad
SETTINGS
Making RADAR Setup Menu Selections
RADAR SETUP
RANGE
BEARING
ALM LEVEL
TX PULSE (1,5NM)
TX PULSE (3NM)
TX PULSE (6NM)
KEYBOARD DIMMER
DISPLAY BRILLIANCE
FUNCTIONS
LANGUAGE
NM KY KM
MAGNETIC TRUE
1234567
0.08 0.35 uS
0.35 0.7 uS
0.35 0.7 uS
01234567
12345678
SETTINGS
Select with Tracking Pad
ENTER
SETTING DISPLAY BRILLIANCE
MENU
ENTER MENU
=
=
Radar
1
EBL
T
TM C UP
O
O
1
L
T120
190
O
2
304
EXP
IR
RNO
O
N4235.68
WP
0:07
3
O
RNG
1.2
W7000.37
.5
O
BRG
086
SPD14.5
Radar
1
EBL
T
TM C UP
O
O
1
L
T120
190
O
2
304
EXP
IR
RNO
O
N4235.68
WP
0:07
3
O
RNG
1.2
W7000.37
.5
O
BRG
086
SPD14.5
2
VRM
NM
1
2.0 0
2
2.2 6
ALM
I
6
C
CUR
1. 3 4
O
190
0:07
2
VRM
NM
1
2.0 0
2
2.2 6
ALM
I
6
C
CUR
1. 3 4
O
190
0:07
R20, 21/40, 41XX SERIES RADARS
PAGE
2