Applies to: CommBox Atom 65", 75", 86" (CBIA65, CBIA75, CBIA86)
Option 1: Remote Control
Use the remote control and press the Volume + or Volume - buttons to increase or decrease the sound.
Option 2: Buttons on the screen
Alternatively, locate the Volume + and Volume - buttons on front of the screen to adjust the volume manually.
Option 3: Audio Settings
To adjust advanced sound settings:
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Tap the Sidebar Menu on the screen.
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Select the Inputs menu.
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Tap Audio Settings.
From here, you can:
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Adjust volume
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Balance left/right channels
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Change bass and treble
💡 Tip: If no sound is heard, check that the screen isn’t muted by pressing the Mute button on the remote control.
Troubleshooting / What to Do If It Doesn’t Work
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No sound output: Make sure the mute button hasn’t been pressed and the volume is not at zero.
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Still no sound? Check if the correct input source is selected and audio cables (if any) are connected properly.
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Using external speakers? Ensure they are connected to the Audio Out or SPDIF port and powered on.
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Need help? Log a ticket on the CommBox Support Portal.