Chapter 4-4 GN33 Position menu
Display position as - the position can be shown in latitude/
longitude, Loran C or decca coordinates (after selecting chain from
the Setup menu). Toggle with +/-.
Delta position
-
some paper charts do not indicate a datum, but
instead they have a notation to an offset or delta position to WGS84.
Use numeric keys to key in the position correction. When a cor-
rected position is applied, the degree symbol will be exchanged with
a small c
.
Start position - can be inserted if the exact start position is known.
Speed and course filter level - there is a filter of 10 steps available
(0= fast response, 9= stable readout).
Display speed as - SOG Speed Over Ground or STW Speed
Through Water. Toggle with +/-.
To receive STW information from external instrument (via NMEA
port) will require that NMEA sentence VHW or “Log speed sensor”
are set to ON. Refer to section 9.1 and 9.2.
Course and bearing as - readings of course and bearing can be
made in either MAGNETIC or TRUE. Toggle with +/-.
Additional data - can be set to COMPASS, DEPTH or ANT.
HEIGHT.
COMPASS will show heading from connected sensor.
DEPTH will be shown when NMEA depth data is received from
connected depth instrument.
ANT. HEIGHT will indicate the actual antenna altitude (height
above sea level).
Horizontal antenna offset -
the reference position of the GPS
receiver can be moved from the true antenna position to e.g. the
centerbow of the vessel. When an offset is applied, the degree symbol
will be exchanged with a small c. The antenna offset can be set on/off
with the +/- keys, but the offset position is only active/available when
heading data is received from external compass.
The Longitudinal (fore/aft) and Transverse (port/starboard)
antenna offset can be inserted in 1/10 of a meter.
Time - can be set to UTC or local. Toggle with +/-
Correct actual time and date by means of the numeric keys.
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