3.7 Controller Connecting
Two ways are supported connecting between controller and A20, bluetooth and RS232.
3.7.1 Bluetooth
1. Connecting work should be done first before start FOIF survey_GPS. Using controller
scan the bluetooth signal of A20.When bluetooth is found, the SN of A20 is shown in
controller, then select this SN to finish the connecting work.
2. Set port (No. of port can be searched from bluetooth settings in controller.) and baud rate
of controller to finish connecting.(More shown in FOIF_survey User Manual)
3.7.2 RS232
Using serial port cable to build the connection by setting the port with COM1 and baud rate
with 19200.
3.7.3 State of Connecting Shown
When connection is successful whether by bluetooth or RS232, you can comfirm from the
screen of A20. or would be displayed on the screen, means RS232 while
means bluetooth.
3.7.4 Disconnecting
Menus in FOIF Survey_GPS software, Configuration Com configuration, you can stop
the connecting work by selecting the other COM port. While doing so, A20 receiver is still
working normally, but you can not control the receiver by using your controller.
A20 User Manual
15
