4 channel car control box  XY-6028

1. Power Led , while power on ，led is bright,when the voltage is below 4.5V，the led will
twinkle.The normal input voltage for this product is 5-12V. 2. The key function is the same with the remote control. 3. Key function
Quad key： short press，4 picture ，shorte press again will show ，short
pressagain will back to the automatic showing picture,do it like this。Long time press,
automaticly change the channel,the changing time is about 3seconds.
CH1 key： short press,channel 1 big picture,short press again ,back to the automatic
showing picture.
CH2 key： short press,channel 2 big picture,short press again , back to the automatic
showing picture.。
CH3 key ： short press，channel 3 big picture，again short press，back to automatic
showing picture.
CH4 key ： short press，channel 4big picture，again short press，back to automatic
showing picture.
Modekey ： short press，showing various picture mode ,each picture showing one by
one,each press will change to another mode.
4. picture mode dial switch:4 switch, realise the left and right picture mode