User Manual Bearing System RT-300
Issue: 2017/06/27 [Rev 1.04.c] Page 35 of 79 12-9-1-0013-9-2-0001-3-1-60
6.2.1.2.1.3 Reference Direction: Geographic North (True North) - TRUE
If compass data, basing on true (geographic) north, are
available at the interface, bearing values referring to true
north can be put out. Choose in submenu BEARING -TYPE
selection TRUE (= true north). Now the active reference
direction is displayed as TRU (= true) left of the digital
bearing value.
If the optional compass module is installed,
the bearing value can also be put out with
reference direction geographic north. For this
the local variation has to be set up in in the
setup-menu (see 6.2.1.5.4.5.3).
The example of Fig. 39 is showing relations for
the bearing display of Fig. 38.
Fig. 38
TN
0
6
0
°
T
R
U
T
r
a
n
s
m
it
te
r
r
e
l
a
t
i
v
e
b
e
a
r
i
n
g
3
1
0
°
b
e
a
r
i
n
g
6
0
°
t
r
u
e
Fig. 39
reference
direction
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