Black Box AVS404-H User Manual page 44

Chapter 5: Troubleshooting and Maintenance
Cause #4:
The display doesn't support the input resolution.
Solution #4:
Switch to another input source or enable the display to learn the EDID data of the
input.
Problem:
No output on the amplifiers connected to audio output ports
Cause:
The amplifiers are not able to decode HDMI audio.
Solution:
Change to amplifiers that can decode HDMI audio.
Problem:
Cannot control the device via front panel buttons
Cause:
Front panel buttons are locked.
Solution:
Send command /%Unlock; to unlock.
Problem:
Cannot control the device via IR remote.
Cause #1:
Failed battery.
Solution #1:
Replace with a new battery.
Cause #2:
The IR remote is broken.
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