The Leader LT-444 is a changeover unit that automatically switches from primary signals to the backup system signal when errors are detected. Normal operation will automatically switch the output signal from the primary channel to the backup channel when problems are detected in the primary signal.
11 User Configurable Channels
11 channels can be separately configured for Auto Changeover to a secondary signal.
Selectable Delay Time
The delay for starting the error monitor at power up can be set to FAST or SLOW depending on the rise time of the system signal source being monitored.
Multiformat
This device can be set to a variety of format configurations including HD-SDI, SD-SDI, AES/EBU, analog black burst in NTSC or PAL and tri-level sync.
Detection Level
Detects an error when the amplitude of the input signal drops by 2 to 5 dB from the defined level and makes the switch to the secondary system.