UT260-104
User’s Guide
400-0680-001
8
8. Troubleshooting Guide
We have carefully tested and have found no problems in the supplied UT260-104. However, we would like to offer suggestions for the
following:
Switcher
Symptom
Resolution
No Audio with VGA
Input
1. Make sure the VGA audio source is connected to the 3.5 mm audio input on the switcher.
2. Check the audio source to make sure the audio is playing and that the volume is turned up to a
reasonable level.
Poor Output Image
1. Verify the cable between the switcher output and the display is a genuine HDMI cable.
2. Troubleshoot with a lower gauge shorter distance HDMI cable.
RS232 Commands Not
Recognized
1. Make sure to include a carriage return at the end of the command or the switch will not
recognize the command.
2. Verify you are using the correct baud rate. Remember, the transmitter and receiver can be
configured with different baud rates.
3. The default baud rate is 115200 baud.
System Failure
1. Press and hold the input select button on the front of the unit until all input LEDs flash; about 12
seconds and then release. This performs a factory reset and should restore normal operation.
2. Please call the Altinex Customer Service Department at (714) 990-2300 to have the unit
repaired.
