Display Backlight And Contrast Settings; Plotter Display Operation - Icom MA-500TR Instruction Manual

■ Display backlight and
contrast settings
You can adjust the display backlight and contrast settings.
The display backlight lights the function display and keys, and
is convenient for nighttime operation.
Also, you can adjust the display contrast between objects and
the background.
q Push [POWER•BRILL] to display the popup screen to ad-
just the display backlight and contrast level.
w Push [∫] or [√] to select "Backlight" or "Contrast," which-
ever one you want to adjust.
e Push [Ω] or [≈] to adjust the level.
• Backlight : Between 1 and 7, or OFF
• Contrast : Between 1 and 8
r Push [ENT] to save the settings and turn OFF the popup
screen.
• If no key operation is performed for 5 seconds, the backlight and
contrast levels are saved, and the popup screen automatically
turns OFF.
Convenient!
Each push of [POWER•BRILL] after the popup screen is dis-
played, also adjusts the display backlight level.

■ Plotter display operation

When
the plotter display is selected, the display range and the
icons of the AIS targets appear. You can change the display range
and type (North up or COG up) to suit your operating style.
q Push [DISP MODE] several times to select the plotter dis-
play.
w Push [∫] or [√] to select the desired display range.
• 0.125, 0.25, 0.5, 0.75, 1.5, 3, 6, 12, 24 nm (nautical miles) are
selectable.
e Push [≈] to sequentially select each AIS target icon clos-
est to your vessel (or waypoint, if it is set; see page 26 for
setting detail), in sequence.
Or, push [Ω] to select each AIS target (or waypoint) icon
farthest from your vessel, in sequence.
• A target box will appear around the selected target (or waypoint)
icon.
• Shows the range and bearing information from your vessel to the
selected AIS target.
• Shows the CPA (Closest Point of Approach) and TCPA (Time to
CPA) information of the selected AIS target whose CPA is less
than 6 nm (nautical miles) and TCPA is less than 60 minutes to
your vessel.
r Push [ENT] to display it's detail screen. (p. 17)
NOTE: The alarm buzzer sounds when a malfunction oc-
curs or an AIS target is closer than your CPA and TCPA
settings, depending on the presetting. (pp. 31, 32, 35, 46)
➥ To stop the alarm buzzer, push [CLEAR].
• If the popup screen is displayed, push [CLEAR] again to turn it OFF.
BASIC OPERATION
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