Icom MA-500TR Instruction Manual - Page 23

Display backlight and, contrast settings, Plotter display operation

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BASIC OPERATION 4 ■ D isplay 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 adjust the display backlight and contrast level. w P ush [∫] or [√] to select "Backlight" or "Contrast," whichever one you want to adjust. e P ush [Ω] or [≈] to adjust the level. • Backlight : Between 1 and 7, or OFF • Contrast : Between 1 and 8 r P ush [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 displayed, also adjusts the display backlight level. ■ Plotter display operation 1 When the plotter display is selected, the display range and the 2 icons of the AIS targets appear.You can change the display range 3 and type (North up or COG up) to suit your operating style. 4 q Push [DISP MODE] several times to select the plotter dis- 5 play. w P ush [∫] or [√] to select the desired display range. 6 • 0.125, 0.25, 0.5, 0.75, 1.5, 3, 6, 12, 24 nm (nautical miles) are selectable. 7 e P ush [≈] to sequentially select each AIS target icon clos- 8 est to your vessel (or waypoint, if it is set; see page 24 for setting detail), in sequence. 9 Or, push [Ω] to select each AIS target (or waypoint) icon 10 farthest from your vessel, in sequence. • A target box will appear around the selected target (or waypoint) 11 icon. • Shows the range and bearing information from your vessel to the 12 selected AIS target. 13 • Shows the CPA (Closest Point of Approach) and TCPA (Time to CPA) information of the selected AIS target whose CPA is less 14 than 6 nm (nautical miles) and TCPA is less than 60 minutes to 15 your vessel. r P ush [ENT] to display it's detail screen. (p. 17) 16 NOTE: The alarm buzzer sounds when a malfunction occurs or an AIS target is closer than your CPA and TCPA settings, depending on the presetting. (pp. 29, 30, 33, 44) ➥ To stop the alarm buzzer, push [CLEAR]. • If the popup screen is displayed, push [CLEAR] again to turn it OFF. 15

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BASIC OPERATION
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■
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 24 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. 29, 30, 33, 44)
➥
To stop the alarm buzzer, push
[CLEAR]
.
•
If the popup screen is displayed, push
[CLEAR]
again to turn it OFF.