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1. OPERATION
1-28
4. Select appropriate option and then press the [ENT] key.
5. If you selected OFF for IN/OUT PORT, AUX PORT or POWER OUT go to
step 8. For the option IN/OUT, AUX and BOTH, select IN/OUT PORT or AUX
PORT under SELECT SENTENCE as appropriate and press the [ENT] key.
One of the following displays appears.
IN/OUT PORT
APB : OFF
BWC : OFFOFF
BWR : OFF
CUR : OFF
DBK : OFF
DBS : OFF
DBT : OFF
AUX PORT
APB : OFF
BWC : OFFOFF
BWR : OFF
CUR : OFF
DBK : OFF
DBS : OFF
DBT : OFF
00/08
00/08
Number of sentences
currently turned on
IN/PUT and AUX BOTH SETUP menu
Note: Sentences currently being received are shown in reverse video.
6. Select sentence to process and then press the [ENT] key. Use ▼or▲ to
scroll the list.
7. Select ON or OFF as appropriate and then press the [ENT] key. You can turn
eight sentences ON. The number of sentences currently turned on appears
at the top right-hand corner of the menu.
8. Press the [MENU] key twice to close the menu.
For further details, see the installation manual of RD-30.
1.15 Bearing Reference
Bearings can be displayed in true or magnetic bearing. True bearing is a bearing
measured using true North as the reference direction, and it is calculated by the
formula True Bearing = Magnetic Bearing +Magnetic Deviation (Variation).
Magnetic bearings are measured with magnetic north as the reference direction.
Magnetic bearing is calculated by adding true bearing to RD-30-stored magnetic
variation. “M” appears near a bearing readout when magnetic bearings are used.
1. Press the [MENU] key once or twice to open the menu.
2. Choose SYS SETUP and then press the [ENT] key.
3. Choose BRG READ and then press the [ENT] key.
MAGNETIC
TRUE
BRG READ options