How to set the Radio Channel on a Topcon GPS RTK System.

Topcon TopSurv Main Screen

Once you have identified the radio channel you want to use with your GPS RTK System it is likely that your GPS Rover unit is not set to the desired radio frequency. The following will guide you through the configuration process for setting your GPS Rover Unit to your Base Station. This guide is using the Topcon TopSURV 7.3 Field Controller Software.

For this guide we will assume that you have started at the main screen page:-

Your Topcon Field Controller should be connected to the Rover unit for this procedure and not the Base Station.

Topcon TopSurv Main Screen
Topcon TopSurv Main Screen

Select the Setup GPS Icon.

Start GPS Base Screen
Start GPS Base Screen

Select the Status Icon.

GPS Radio Info
GPS Radio Info

Tap on the Topcon Logo in the top left hand corner of the screen and then select Config Radio from the drop down box.

Config RTK Radio
Topcon Configure Radio Screen

Select Base in the Connected to Box (as shown above), the radio port should be fine. From the Channel drop down box select the channel number that matches the PDL Radio Channel number and press Set Radio.

After about 20 seconds you should have a message saying that the radio has been configured and you should be able to check the Radio Link in the Status – System Page, it should read 100%.

You are now ready to continue surveying.

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