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1. Operational Overview
1.1 Units of the System
1.1.1 Control units
Two types of control units are available: Control Unit RCU-020 (full keyboard) and Control Unit RCU-015 (palm
control).
Control unit RCU-020
The Control Unit RCU-020 consists of a keyboard and a trackball module (trackball, scrollwheel and left and right
buttons). The trackball module functions like a mouse; the user rolls the trackball and operates the left and right
buttons and the scrollwheel to access functions.
ACQ
ON
MENU
OFF
VRM
A/C SEAA/C RAIN
MODE
3
LINE
INDEX
6
OFF
21
HL
CENTER
OFF
45
RESET
CU/TM
OFFSET
EBL
GAIN
TARGET
CANCEL
TARGET
DATA
RANGE
-
+
LIST
TARGET
9
ENTER
MARK
TIME
VECTOR
78
CANCEL
TRAILS
0
MODE
VECTOR
BRILL
BRILL
EBL
F1
OFF
F2
ON
ACK
ALARM
F3 F4
STBY
TX
Trackball
Left button Right button
Scrollwheel
Trackball
module
EBL rotary control VRM rotary control
Control unit RCU-020 (full keyboard)
Key Description
POWER Turns the system on/off. (This control does not switch the display on/off.)
BRILL Adjusts display brilliance. (FURUNO monitor only)
VRM rotary encoder Adjust active VRM.
VRM ON
Activates and displays VRM 1 if none is displayed or VRM2 is active.
Activates and displays VRM 2 if VRM1 is active.
VRM OFF
Inactivates and erases VRM 1 if both VRMs are displayed.
Inactivates and erases VRM 2 if VRM1 is active.
EBL rotary encoder Adjusts active EBL.
EBL ON
Activates and displays EBL1 if none is displayed or EBL 2 is active.
Activates and displays EBL 2 if EBL1 is active.
F1 – F4 User programmable macro keys.
ALARM ACK Alarm acknowledgement for alerts generated by chart, navigation or steering calculation.
STBY TX Toggles radar between standby and TX.
GAIN Adjusts radar gain.
A/C RAIN Reduces rain clutter.
A/C SEA Reduces sea clutter.
HL OFF Temporarily erases heading line.
EBL OFFSET Shifts EBL point of origin/returns point of origin to screen center.
MODE Selects presentation mode.
OFF CENTER Locates own ship on-screen position where desired; returns own ship position to screen
center.