Troubleshooting
Power on the input and output devices and the switcher. The image should appear on the screen, and sound should be audible.
If the image does not appear or there is no sound
1. | Ensure that all devices are plugged in and receiving power. The switcher’s |
| power LED ( ) lights if the it is receiving power and an active sync signal. |
2. | Check the cabling, connector wiring, and grounding, and make adjustments |
| as needed. |
3. | To test the system setup and output, substitute a video or audio/video test |
| generator for one of the input devices. |
4. | Use the control software or a control system to verify that the audio and/or |
| video is not muted or set to input 0. |
5.If no signal is being output from the Monitor Out port, check which Monitor Out mode has been selected. You may need to change the setting to another mode to obtain the desired output. See pages
6.Call the Extron S3 Sales and Technical Support Hotline if needed.
If the switcher does not respond to controls
1. | Executive mode 1 or 2 may be active. To disable either executive mode, press |
| and hold input buttons 1 and 4 for 3 seconds, then release them when the |
| input LEDs blink. Executive modes can also be disabled via |
2. | Via |
| MLS 304MA or MLS 304SA; inputs 4, 5, and 6 for the MLS 406/MLS 406MA/ |
| MLS 406SA) have been set up for the correct input type (RGB or composite |
| video). |
3.If audio input 0 (audio mute) is selected (via
4.If you have just updated the switcher’s firmware (see chapter 4, Serial Communication), and the power LED lights but the switcher does not respond to front panel input selections or volume adjustments, you may need to reset the unit to factory defaults (see page 3‑4, Resetting the switcher, or page 4‑6, Zap command).
5.Call the Extron S3 Sales and Technical Support Hotline if the switcher still does not respond after you have performed steps 1 through 4.
PRELIMINARY
MLS 304 Series, MLS 406 Series • Operation and Setup |
