Furuno FCR-21X9 Operator's Manual page 6

Instant Access Bar (radar, chart for radar mode)
PULSE
PULSE
Selects radar pulse
M3
length.
IR
IR
OFF Activates, deactivates the interference rejector.
ES
ES
OFF Activates, deactivates echo stretch.
EAV
EAV
OFF
Activates, deactivates echo averaging.
HL OFF
HL
OFF
Temporarily erases everything but radar echoes.
CU/TM reset
CU/TM
Resets ship's position in course-up and true motion modes.
reset
OWN AIS
OWN
Shows the [VOYAGE DATA] menu, to set your ship's
AIS
AIS data.
AIS
Displays screen for AIS message creation.
AIS
Palette
Selects a color palette.
Day
BRILL
Adjusts the brilliance of a FURUNO monitor.
88
TUNE
TUNE
Tunes the radar
MAN
receiver.
Radar mode
PULSE
M3
MAP
TUNE
MAN ON
IR
Chart
OFF
OFF
ES
Chart
OFF
Disp
EAV
OFF
Chart radar mode
HL
OFF
MAP
OFF
CU/TM
reset
Chart
ON
MAP
ON
Chart
Chart
Disp
OFF
Chart
OWN
Disp AIS
AIS
Day
88
MOB
MOB
MOB
Enters a MOB mark at the
current position.
Capture
Takes a screenshot.
6
MAP ON/OFF
Shows, hides the radar map.
Chart ON/OFF
Shows, hides the electronic chart.
Chart ON/OFF
Shows, hides the electronic chart.
Chart Disp
Shows, hides various chart objects.
Coast Chart Chart Sel
Chart
Line Top DISP DISP
Legend
Only Layer Menu Object
Shows chart legend.
Opens the [SEL DISPLAY
OBJECT] menu.
Opens the [CHART DISPLAY] menu.
Puts the chart on the top layer when clicked.
Shows only the coastline when clicked.
UNDO
Undo last action (23-inch
monitor only).