Koden MDC-1840BB - GND STAB SPD (Ground Stabilized Input)

Chapter 6 MDC-1840BB/1841BB/1860BB/1810BB/1820BB Series
Using The Menu Operation Manual
6-16 93142122-07
Table 6.1 Available NMEA sentences and talker devices
Sentence Talker identifier On-screen display Device name
VD DO LOG/WT-Speed Doppler LOG
VM LOG Speed LOG, magnetic
VHW
VW LOG Speed LOG, mechanical
VBW VD DO LOG/BT-Speed Doppler LOG
6.4.1.4 GND STAB SPD (Ground Stabilized Speed)
This function is used to select the signal source of the ground speed and set/drift
inputs. The available selections include; MAN (Manual setting), PULSE (Pulse signal
supplied from a speed log) and the NMEA sentences.
Indication Meaning Selection
GND STAB SPD Speed stabilized over ground See the following table.
SET / DRIFT Set: The direction towards which See the following table.
current flows.
Drift: The speed of a current
Table 6.2 Combinations of GND STAB SPD and SET/DRIFT
GND STAB SPD SET/DRIFT Notes
MAN MAN
PULSE MAN
VHW MAN
VHW VDR
VBW Not need Set/Drift data included in the sentence
only if VBW delivers GND based data
VTG Not need Course and speed measured over ground
NOTE for NMEA sentences, VHW, VBW, VTG and VDR:
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.
When the VDR sentence is selected, only the Doppler LOG is selected.
When the VTG sentence is selected, the Doppler LOG or the GPS receiver is
selected.