Panasonic KX-TDA100 Programming Manual page 64

2.6.1 Utility—Diagnosis
4.
Select the Loopback Type option.
A new window will be displayed.
5.
Select Point1 or Point2 depending on the type of loopback test you want to perform
The available selections may vary depending on the hardware version of the card.
6.
Click Apply.
Preparation for the test is complete. The test will start automatically.
7.
After the test is complete, select Release and click Apply.
8.
Click Close to return to the Diagnosis screen.
64 PC Programming Manual