MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series Chapter 6
Using The Menu
Operation Manual
93142122-07
6-15
6.4.1.1
HDG INPUT (Heading Input)
Indication
Meaning Selection
HDG INPUT
Heading Input
GYRO, HDT
GYRO:
The compass data is taken from a gyrocompass via the gyro interface unit
KSA-08A. Use the GYRO SET to set up the bearing.
HDT:
The true bearing data will be automatically set in the incoming data
sentence.
6.4.1.2
GYRO SET (Gyro Initial Setting)
Indication
Meaning Selection
GYRO SET
Gyro Initial Setting
0.0 to 359.9
6.4.1.3
SEA STAB SPD (Water Speed Input)
This function is used to select the signal source of the water speed input. The
available selections include; MAN (Manual setting), PULSE (Pulse signal supplied
from a speed log) and the NMEA sentences (VHW and VBW).
Indication
Meaning
Selection
SEA STAB SPD
Water Speed Input
MAN, PULSE, VHW, VBW
NOTE for NMEA sentences, VHW and VBW:
When the VHW sentence is selected, the Doppler Log or a speed log (Magnetic or
Mechanical) can be selected according to the talker device name included in the
sentence. When the VBW sentence is selected, only the Doppler LOG is selected.
The relation of the sentences and available device names is shown in the following
table.
NOTE: The GYRO HDG bearing data becomes “XXX.X” and the buzzer sounds in
the following circumstances:
1. When no gyro signal is input.
2. When no power is applied to KSA-08A. Check the power supply line to KSA-08A
for power failure, disconnection, etc.
3. When initial setting of the gyro bearing is not completed.
In case at least one condition has been met, the bearing stabilized picture in relative
or true motion mode such as N UP RM (North Up Relative Motion), C UP (Course
Up Relative Motion) or N UP TM (North Up True Motion) will be reset to H UP RM
(Head Up Relative Motion) mode.
