Perform the connection test to check if the phone cord is connected correctly.

• For the buttons used for operation, see here

1. Press the OK button.

   

• When the Use of TEL line screen is displayed, see here
• When the Line is busy screen is displayed, see here
• When the The connections are incorrect; swap the LINE and EXT. cables screen is displayed, see here
• When the Cannot confirm connection; check connections at phone cord ends screen is displayed, see here
• If the Use of TEL line screen is not displayed even after retesting, press the OK button and see here