Avlink PG-H1Z - Manual (Page 7)

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5. HDCP Err: Located on the upper right of PG-H1Z device.
The HDCP Err LED indicates the HDCP verification is
succeeded or not. After the HDMI cable is connected to
both PG-H1Z and Monitor/TV, the HDCP LED shows off
(dark) that indicate the HDCP verification is successfully.
IF the HDCP LED will on (light) to indicates the HDCP
verification is fail.
)
The HDCP Err function only supports PG-H1Z.