GPS Navigator J-NAV500
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4.7 Adjusting Contrast and Backlighting
This function adjusts contrast and backlighting in all displays.
(1) Press .
This action displays the display for changing the contrast and back-
lighting.
(2) Turn to select the desired contrast.
Range of contrast selection:
00 to 15
(default value:
07
)
(3) Press . Each press of the key toggles the setting between High and Low.
Backlight setting:
HI/LOW
(default)
(4) Press or wait for 5 seconds to return to the previous display mode.
4.8 Setting Alarms
(Arrival/Anchor/Off-course/DGPS)
The navigator is provided with four types of alarms that can be set to inform you of important changes
during navigation.
Note that set alarms will go off whether you have selected a route plan or when you use the
function (see Section 4.9, “Navigation using direct routes (GOTO).” ).
Before reading the following sections, read Section 4.6, “Basic menu selection operations.”
1. Selecting displays
(1) Press in the [ROUTE] display mode.
(2) Turn to select [Alarm] and press . This action displays the •uAlarm•v setting
mode.
(3) To return to the [ROUTE] display mode, press twice.
Display example
[Route] display mode
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