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2 Overview
8 AgGPS 252 Receiver User Guide
2.4 LED Indicator
The AgGPS 252 receiver has an LED light that shows the status of the
receiver. The following tables describe the light sequences for each
positioning method.
Note – WAAS/EGNOS and OmniSTAR VBS use the Satellite Differential
GPS positioning method.
Table 2.1 LED sequences with Satellite Differential GPS or Autonomous
positioning
LED color LED flash Status
Off Off No power
Green Solid Normal operation: computing DGPS positions
Green Slow No DGPS corrections: computing DGPS positions using old
corrections
Green Fast No DGPS corrections approaching DGPS age limit: computing DGPS
positions using old corrections
Yellow Solid DGPS corrections being received but DGPS positions not yet being
computed: computing autonomous GPS positions
Yellow Slow No DGPS corrections: computing autonomous GPS positions
Yellow Fast Not enough GPS signals: not tracking enough satellites to compute
position
Table 2.2 LED sequences with RTK positioning
LED color LED flash Status
Off Off No power
Green Solid Normal operation: computing fixed RTK positions
Green Slow Receiving CMR corrections but not initialized: computing float RTK
positions
Green Fast No CMR corrections: computing RTK position using old corrections
Ag252_100B_UserGuide_ENG.book Page 8 Thursday, July 28, 2005 4:06 PM