Princeton VL1919 Car Video System User Manual


 
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3.3 Preview of next menu level
The OSD shows a preview to the options and settings of the next menu level if applicable.
The active menu level shows a bright background [4] and a colored cursor bar [3] (see color table). The
inactive menu level areas show the gray background [2].
3.4 Input detection for dual input monitors
If there is no signal on the actual input, the MCU should search also on the other input for a valid signal. If
the preferred input has no signal but the other, than the input status message is shown. If both inputs have
no signal the monitor shows the "No signal, going to sleep" message.
3.5 Auto level
After selecting 2
nd
time, the auto level adjustment is performed and the menu returns back one level.
This function should set the black level to the black level of the signal or to factory default black level and
signal input range to the actual signal white level.
This should work at least from 550 mV to 1000 mV.
3.6 Audio
If mute is activated, the adjust bar of volume is not filled, but any change of volume switch audio status
back to normal.
Cursor moved to Auto level
SELECT is pressed 1
st
time
A
confirmation dialog is shown