Simrad HS50 - Manual (Page 43)

OPERATING INSTRUCTIONS
20221081 / F
35
• POS-Q. The quality of the position measurements. Two
black bar graphs indicate normal accuracy, one black and one
white bar graph indicate reduced accuracy and two white
invalid position.
• DIF. Indicated whether differential corrections are input and
used in the position determination or not. A black box
indicates that differential corrections are used. A white box
indicates no use of differential corrections.
• COG. A black box indicates valid COG calculation, a white
an invalid calculation.
• SOG. A black box indicates valid SOG calculation, a white
an invalid calculation.
• ROT. A black box indicates valid ROT calculation, a white
an invalid calculation.
• WGS84. Shows the Datum used for the position and velocity
determination. If the text DEMO appears in this field the
system is operating in demonstration mode with simulated
output data.
348
090 270
000
P S ROT 0.6 º/s
DIF
HDT-Q
POS-Q
COG
True
heading
COG
Bargraph
showing
quality
Bargraph
showing
quality
336
SOG
ROT
WGS84
Datum or
operation
mode
An invalid HDT-Q status indication will be shown after 300
seconds of loss of GPS heading in the system, and the output of
heading data will terminate. In the first 300 seconds after loss of