This happen when you have the setting for Digital when the analog signals are input. It is telling you the sync signal expected by a digital input is not there. I have seen this many times and it is just a setting of input not a malfunction of the unit.
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This happen when you have the setting for Digital when the analog signals are input. It is telling you the sync signal expected by a digital input is not there. I have seen this many times and it is just a setting of input not a malfunction of the unit.