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4. 

While your Wi-Fi network interface is selected, click on the “Properties” button (circled in red

above). This will open the “Network Interface Configuration” window, shown below. 

8/9/2019 Instructions_for_WiFi_Capture (From Garmin Forerunner 620)

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5. 

In the “Network Interface Configuration” window, click on the Scanning Options button to open

the “WiFi Scanning Options” window.  Follow the steps below to configure the scanning options.

a. 

Select the adapter – This MUST match the desired interface’s “Friendly Name” noted in

step 3

 

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b. 

Switch to monitor mode – Check the “Switch to Monitor Mode” checkbox 

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c. 

Select the layer and channel – (1) Choose the “Select a layer and channel” radio button,

(2) Select the layer/mode (MUST match mode set in AP in step 2c), (3) Select the

channel (MUST match channel set in AP in step 2a). See numbered arrows below.

d. 

Apply changes – Click the “Apply” button (circled in red) and confirm the “Layer” and

“Channel” status fields at the bottom of the window (see red dashed boxed outline)

match the selections (2) and (3) from step 5c.

e. 

Minimize the “WiFi Scanning Options” window but DO NOT CLOSE IT!!!  Closing the

window will cancel all the scanning options and the wireless card will resume normal

operation.

6. 

Close the “Network Interface Configuration” window (see step 4) by pressing either the “OK“ or 

“Cancel” button. 

(1) (2) (3)

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7. 

On the main Network Monitor window, press the “New Capture” button under the menu items

in the top left corner. This will open a ‘Capture’ tab in main window.

8. 

In the Capture tab window, press the “Capture Settings” button. This will open a “Capture

Settings” window. 

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9. 

On the FR 620, find the MAC address on the about page (Settings → System → About). On the

about page, press the bottom of the touch screen three times to reach the 4th

 screen which

contains the Wi-Fi MAC address information. In the “Current capture filter” box enter the text

below using the MAC address of your FR620. (Note the use of “-“ instead of “:” when entering

the MAC address information).

 

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10. 

Press the “Apply” button and verify that the filter is correctly displayed next to the “Current

capture filter:” text.  Then close the Capture Settings window with the “Close” button. 

11. 

Now that we’ve configured the tool, start the capture by pressing the “Start” button next to the

“Capture Settings” button. This will start the network capture. You should see the filter

information displayed again at the top of the “Frame Summary” window. 

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14. 

In the “Save As” window, select a file name and a location to save the capture file, but do not

change the other default settings. Press the “Save” button to save the wireless capture.

15. 

Close all Network Monitor windows (This will restore your Wi-Fi card to normal operation) and

restore your Wi-Fi router/Access Point settings. Email the capture file (*.cap) to the Garmin

representative who sent you this document.