Understanding HDMI OUT Support on CommBox Intelligent Displays

Applies To
CommBox Intelligent Display 43”, 55”, 65”, 75”, 86”, 98”

Step-by-Step Instructions

Step 1: Locate your available HDMI ports

All CommBox screens come with multiple HDMI inputs. The number and behaviour of these ports can vary by screen size.

Step 2: Identify which ports support HDMI OUT

For 43” & 55” models:

✅ HDMI OUT works on:
- USB Type-C
- HDMI 1
- HDMI 2
❌ HDMI OUT not supported on:
- Android Channel

For 65” – 98” models:

✅ HDMI OUT works on:
- PC Channel
- USB Type-C
- HDMI 1
- HDMI 2
❌ HDMI OUT not supported on:
- Android Channel
- HDMI 3

💡 Tip: Want to mirror your screen to another display? Be sure you're using a supported input channel before plugging into the HDMI OUT port.

Step 3: Connect your HDMI OUT

Use a high-speed HDMI cable.
Plug one end into the HDMI OUT port on your CommBox.
Connect the other end to your second display or capture device.
Make sure the input source is set to one that supports HDMI OUT as per the list above.

Troubleshooting / What to Do If It Doesn’t Work

If there's no signal from the HDMI OUT port:
- Double-check you're on a supported input source.
- Ensure the cable is securely connected.
- Try switching to HDMI 1 or 2 if you're currently on the Android channel.
Still need help? Log a ticket on the Support Portal at Knowledge Base.