User's Manual

G4 DVR-M1N-RPH User Manual
Page 65 of 112
x Sensor Uses: Select the use of the sensor according to the actual scene.
x Copy To: Copy the parameter of a certain sensor to one or all other sensors.
3.5.3.1.2 Serial Port
G4 DVR-M1N-RPH supports the 2-channel RS232and1-channel RS485.
This function can set the function and Baud rate of the serial port. On the live view screen, tap
Login Avatar > Setup > Collection > General > Serial, as shown in the following figure:
x The purpose of serial port can choose ǏNoneǐ, ǏExtendǐ, ǏControl Panelǐ, Ǐ485busǐ,
etc.
x Choose the corresponding ǏBaud rateǐ after selecting the purpose of serial port.
3.5.3.1.3 Speed
The source of vehicle speed can come from satellite positioning or pulse signals. Satellite
positioning requires an external GPS module in the vehicle; pulse signals need to be connected to the
serial port line corresponding to the line labeled SPEED IN.
On the live view screen, tap Login Avatar > Setup > Collection > General > Speed, as shown in
the following figure: