User Manual

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Multifunction OBD2 Smart Meter

(Model :F8 Plus)

Introduction

Thanks for purchasing our car smart digital meter. This product connects car OBD2 interface by OBD

cable,and display the driving data, e.g. vehicle speed,engine RPM,water temperature,fuel

consumption,voltage etc. It can keep the driver’s eyes always on road to avoid the dangerous of

lowering down head to read the dashboard. This product won’t change any car ECU dates.

kindly attention

OBD mode working voltage: 11V~18VDC (12Vdc/200mA), when voltage is higher than 24v, please

use a USB cable for GPS mode.

This product is a dual system (OBD2+GPS):the screen flickers after power on, dial the right dial to

select OBD or GPS system, if without operation,it will automatically enter the last selected system

after 5 seconds

Button and interfaces

1 Setting button/wave button: can pull it left,pull right, short press in,long press in

2 Light sensor

3 USB upgrade port

4 OBD port (connects the car with OBD2 cable)

Summary of content (6 pages)

PAGE 1
Multifunction OBD2 Smart Meter (Model :F8 Plus) Introduction Thanks for purchasing our car smart digital meter. This product connects car OBD2 interface by OBD cable,and display the driving data, e.g. vehicle speed,engine RPM,water temperature,fuel consumption,voltage etc. It can keep the driver’s eyes always on road to avoid the dangerous of lowering down head to read the dashboard. This product won’t change any car ECU dates.
PAGE 2
5 Reserved port (no function) Button Functions 1 Short press in (quick press in the button and release within 1 second): (1) to switch the display mode (2) to choose menu after entering the setup menu 2 Long press in(press in the button more than 2 seconds and release): (1) to enter the setting menu (2) to save and exit after setting 3 Pull left: (1) to switch the functions in the left area (2) to change the setting options 4 Pull right: (1) to switch the functions in the right area (2) to change the set
PAGE 3
Long press in to enter into the setting mode,pull up to choose the menu,and short press in to confirm.
PAGE 4
Speed Offset: When the vehicle speed does not return to 0 after the car is turned off (If the speed is 5Km / h, the equipment is adjusted to 6Km / h) BAT Adjust:if the battery voltage is different with the vehicle,it can be adjusted. (if the device voltage is 0.2V higher than the dashboard’s,please change the value to 98%) Engine Size: if the fuel consumption is much different with the dashboard,please change it as the Displacement size(for example, if the vehicle displacement is 3.
PAGE 5
OBD2 System Troubleshooting 1.The screen without any display,and no power Start the car engine;check if the OBD cable line is tight;please pull down the OBD cables more times to ensure;check if product power switch turns on. If still no display ,please change another car to test, analyze whether the car OBD diagnostic interface is good, if it is not good,please repair it and try again. 2.
PAGE 6
GPS System Troubleshooting 1.The screen without any display,and no power A.Check if the cable line or cigarette lighter is tight; B.plug it out several times; C.insert the USB to the cigarette lighter. 2.No Speed After HUD power-on, the GPS will start to find the satellite. Please driving the car to the road. It will work once gets more than 5 satellite signals. 3.