Installation and Operation Manual
46
CDI scale:
Set CDI (Course Deviation
Indicator) scale which is a parallel line on
either side of the pottered course.
4-2-4 Land & Sea
Water features:
Turns the displaying of sea
bed nature and tide stations icon on or off.
Object depths:
Turns the displaying of
object depths on or off.
Spot soundings:
Turns the displaying of
spot sounding on or off.
Sounding min:
Set the minimum depth limit
to show depth sounding, bathymetric lines
and depth area.
Sounding max:
Set the maximum depth
limit to show depth sounding, bathymetric
lines and depth area.
Tidal stream:
Turns the displaying of tidal
streams on or off.
Land Features:
Turns the displaying of land
features on or off.
Land elevation:
Turns the displaying of
land elevations on or off.
4-2-5 Map datum
This unit has a compatibility with most of
major chart system and this option allows
you to select a map datum. The default
datum is WGS84 as C-MAP cartography has
been compiled using the WGS84 datum.
4-2-6 NMEA datum offset
When you select other Map datum different
from WGS84, latitude and longitude will be
different from WGS84’S coordinates and this
might confuse other device such as VHF radio
if connected to the unit. If this option is
applied, latitude and longitude send on the
unit NMEA output will be the same as
coordinates in WGS84.
4-2-7 Map shift
Sometimes current position of own ship does
not match with the current location on the
chart. To correct this position error, you can
apply a map shift.
Applying a map shift
1 In the Chart setup menu, press and hold
and select
Chart
icon.
2 Select Map shift to
ON
.
3 Move cursor to the actual position on the
chart.
4 Press
and select
Set
.
Canceling a map shift
If you want to clear the map shift:
1 In the Chart setup menu, select
Map shift
.
2 Press
and select
Clear
.
4-2-8 Restore default
Returns every chat settings to default.
