LANDTEC GEM5000 Operating Manual page 90

GEM5000 gas analyzer
Altitude:
Satellite:
Horizontal:
Vertical:
HDOP:
Status:
Select soft-key 'Continue' and the operator is returned to the 'Main Gas Read
Screen'.
LANDTEC
seconds and decimal seconds. The Greenwich meridian defines the
zero point.
Altitude displays in meters, feet or yards.
This is the number of satellites that the system can select. Four
satellites will give reasonable position accuracy; eight or more
satellites will increase accuracy.
Estimate of horizontal error on the indicated position. The location is
accurate to horizontal error 1.6m.
Estimate of vertical error on the indicated position.
'Horizontal Dilution of Precision' which measures the accuracy of the
indicated position.
Status is the indicator as to the functional state of the GPS. The
number presented is a value 1 through 4 and corresponds to the GPS
signal strength indicators
GPS failure/No Fix—the GPS was unable to get a line of sight
lock on enough satellites. Or, it may be that it hasn't had time to get
a lock
Poor to fair signal strength
Okay strength
Good Signal / Full Strength
5K-MNL-GEM5000
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