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5. CUSTOMIZING YOUR UNIT
5-24
5.7.2 GPS receiver setup (Set equipped with GP-310B/320B)
The GPS SETUP menu sets up the GPS Receiver GPS-310B/320B. Press the
[MENU] key followed by the SYSTEM CONFIGURATION, NAV OPTION and
GPS SENSOR SETTINGS soft keys to display this menu.
GPS
SETUP
EDIT
LOCAL TIME OFFSET
+00:00
GEODETIC DATUM
WGS-84
POSITION SMOOTHING
000 second(s)
SPD/CSE SMOOTHING
005 second(s)
GPS SPEED AVERAGING
060 second(s)
LATITUDE OFFSET
0.000’N
LONGITUDE OFFSET
0.000’E
DISABLE SATELLITE
_ _ _ _ _ _
LATITUDE
38 00.000’ N
LONGITUDE
123 00.000’ E
ANTENNA HEIGHT
005 m
GPS FIX MODE
2D/3D
COLD START
NO
RETURN
GPS
STATUS
WAAS
SETUP
GPS sensor setup menu
Contents of GPS setup menu
Item Description Settings Default Setting
Local Time Offset
Lets you use local time (instead of UTC time). Enter time
difference between local time and UTC time. Set this item
when using the GPS-310B/320B.
-13:30 to +13:30
hours
00:00
Geodetic Datum
Note: Geodetic Datum is a reference for geodetic survey
measurements consisting of fixed latitude, longitude and
azimuth values associated with a defined station of
reference. You must have the correct Geodetic Datum
selected in your plotter so that it will reference the correct
point on the chart for a given lat / lon. Although WGS-84
is now the world standard, other categories of charts still
exist. refer to Appendix for a full list of geodetic datum.
See Appendix for full
list.
WGS-84
Position Smoothing
When the DOP or receiving condition is unfavorable, the
GPS fix may change greatly, even if the vessel is not
moving in water. This change can be reduced by
smoothing the raw GPS fixes. A setting between 000 to
999 is available. The higher the setting, the more
smoothed the raw data. If the setting is too high, the
response time required to show a change of Lat and LON
will be too long. this is especially noticeable if the vessel
is moving fast. This is especially noticeable at high ship’
speeds. Increase the setting to increase the amount of
averaging applied to the GPS fix.
0-999 sec
0 sec (no position
smoothing)
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