1. Make sure the Output #1 Access Mode is programmed to accept user codes.
2. If an incorrect card or code has been entered, the keypad may be in Wrong Code Lockout. Wait 1 minute.

Before inputting new code or card, check the left LED. If it is red, previous user data exists. Press "*" "*" to delete.

1. Check that the Active Video Balun Hub is plugged in.

2. Check that the CCTV camera is powered up.

3. Check that the video cable connecting the camera to the hub is connected properly.

4. Check that the cable(s) connecting the hub to the monitor, switcher, DVR, or multiplexer are connected properly.

5. Double-check the connections to any passive or active baluns.

You can find instructions for programming codes on pages 12~15 of the SK-1011-SDQ’s manual, and page 13 of the SK-1131-SPQ’s manual.