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Frequency
：
Three modes
：
Auto/60Hz/50 Hz , the default is 50 Hz
Image label setting
：
Three modes
：
date/time/car driver no. the default is off
circulate video setting
：
Three modes
：
1minute/3 minutes /5 minutes the
default is 5 minutes
LDWS Detection
：
on/off the default is off.(only suitable for chipset
A7LA50/A7LA70)
LDWS Calibration
：
show purple/red two lines, press up/down button directly to
adjust the purple line, press MODE button then press up/down button to adjust
the red lines. (only suitable for chipset A7LA50/A7LA70)
G-sensor
：
Four modes
：
off/high/middle/low the default is middle
，
recommend the default is middle
Motion detection
：
on/off the default is off, recommend the default is off.
MIC
：
on/off the default is on, recommend the default is on.
