JRC JSS-2150N Instruction Manual page 175

(3.3) Indication for GNS sentence
MI Description
A Autonomous
D Differential
E Estimated (dead reckoning) mode
M Manual input mode
S Simulator mode
N No fix
When receiving the GLL sentence, and if the Status in that sentence is A (Data valid), the
Note
quality type is checked using the MI (Mode Indicator) as mentioned in the table above.
- If the quality is valid, the operating state is indicated with the position and time information.
- If the quality is invalid, or the Status is V (Data invalid), the next RMC sentence is referred.
- See 5.2 for method to display the quality information on the regular screen.
Operating state
Device
Positioning
GPS
GPS
GLONASS GL
Galileo GA
Other OTH
GPS
GPS
GLONASS GL
Galileo GA
Other OTH
GPS
GPS
GLONASS
GL
Galileo GA
Other OTH
GPS GPS
GLONASS
GL
Galileo GA
Other OTH
GPS GPS
GLONASS
GL
Galileo GA
Other OTH
GPS GPS
GLONASS
GL
Galileo
GA
Other OTH
Specifications
Quality
Quality Valid Invalid
●
STD
●
STD
●
STD
●
STD
●
DGPS
●
DGL
●
DGA
●
DOTH
●
EST
EST ●
●
EST
●
EST
●
MAN
MAN ●
●
MAN
●
MAN
●
SIM
SIM ●
●
SIM
●
SIM
●
INVALID
●
INVALID
●
INVALID
●
INVALID
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