AItech ProA/V Media Extender - Wireless HDMI - Manual (Page 26)

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No audio.
• Check your TV’s volume is properly set and not in "MUTE" mode.
• Check if the audio connectors are properly connected.
• Ensure the bit rate of audio from the source device can be supported
by ProA/V Media Extender Wireless HDMI. Please refer to the details
in Chapter 6 Audio Bit Rate Support.
No Supported Video
/Audio on WIDE mode
only.
• Check the HDMI output setting of Source device, setup HDMI output
format to Auto mode instead of 1080p.
• Check Charpter5 Supported resolution. Some resolution can’t
support on WIDE mode on.
IR Blaster can’t control
Source device.
• Check where is IR sensor of Source device. Make sure IR Blaster
sensor is close and straight to Source device’s IR sensor. Please refer
Charpter3, step3 for reference setup.
• Change IR Blaster frequency to meet Source device’s requirement.
Please continuing press Source key on the top of Receiver only over
3secs to switch IR Blaster frequency 47K to 58K to 38K recurring.
- The OSD shows: (Display 5secs)
▃▆█ ▃▆█ ▃▆█ ▃▆█ HDMI1 CH10 WIDE Off 1280x1024
IR Blaster Frequency [47KHz]
Press Source key on the top of Receiver again to switch IR Blaster
frequency.