JRC JSS-2150 Instruction Manual page 194

Specifications
(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.
9-14
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
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 ●