Fracarro MOD-HDTV Mode D'emploi page 16

Auto reset and watchdog functions.
During normal operation, the main CPU of MOD-HDTV checks all the parameters in order to ensure correct
device functionality. In case of internal fault, the MOD-HDTV run immediately the recovery procedure by
resetting the module and restarting it again. Finally, a watchdog timer ensures that the device will be restored
in case of errors of the CPU.
Protection from Unauthorized Access.
The MOD-HDTV block the functionality of its keys after one minute idle time in order to prevent unwanted
settings.Two red dots on the display notify to the installer that the on-board buttons are locked. To unlock
them, it must simultaneously press the UP+DOWN for 5 seconds. (Fig.4).
Buttons Up+down for 5 seconds
Fig. 4
Automatic Input source detect
When the MOD-HDTV detects a correct input source, for example a source connected to the HDMI input,
it will "mark" this source as a primary source. In case of failure of the primary source, the modulator
automatically switches to the secondary source (i.e. RCA input).
USB interface for advanced settings
The MOD-HDTV is equipped with a USB interface that allow the PC connection in order to perform the
advanced settings via software. For more information see page xx.
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