Surveying
Topcon GR-5 Quick Start Guide
40
2. Once the receiver has locked on to one or more
satellites, the STAT light blinks green for GPS
satellites and orange for GLONASS satellites. A
short red blink indicates that the receiver has not
solved a position.
3. Once the short red blink is gone, the receiver has a
position and surveying can begin; wait for green
and orange lights before beginning data collection.
This ensures that the receiver has the correct date
and time, and is locked on to enough satellites to
ensure good quality data.
The process of locking on to satellites normally
takes less than one minute. In a new area, under
heavy tree canopy, or after resetting the receiver, it
may take several minutes.
4. To begin collecting data, press and hold the
FUNCTION key (for more than one second and
less than five seconds).
5. Release the FUNCTION key when the REC
(recording) LED turns green. This indicates that a
file has opened and data collection has started. The
REC LED blinks each time data is saved to the
internal memory.
6. When finished, press and hold the FUNCTION key
until the REC LED light goes out.
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