Navisys Technology GR-9029, Краткое руководство пользователя, Страница: 6 / 15

GR-
9029 User’s Quick Guide
3

When power is ON, a button press would tag the current position for reference.

Hold the button (for about 3 seconds), LED would be OFF to indicate power OFF.

In case of BLE connection loss for 3 minutes, it would power OFF automatically to
save power.
1.4 RTCM
Applications running on devices like smartphones, tablets, notebooks etc. could
communicate with GR-9029 via BLE/RTCM to get the RTK precise positions which
could be used for precise navigation, measurement, data logging etc. The RTCM data
is typically encapsulated in NTRIP.
In following description, we take an example of NTRIP application running on an iPad
Pro.
iPad Pro

The iPad should have the internet connection to receive the RTK correction
data from a base or caster. Before having the correction data, one needs to
setup the caster information on the iPad. Please see next section for an
example.

iPad sends the RTK correction data continuously to GR-9029 via a BLE
connection.

iPad receives the RTK calibrated position data from GR-9029 via a BLE
connection. The NMEA data is by default 1Hz in GGA sentence.