Led indicator – Trimble Outdoors AgGPS 252 User Manual
Page 14

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