Nextech GPS Speedometer Head Up Display Quick Start Manual page 4

Please note:please manually turn off the HUD, when you will not be using your car for
extended periods of time. As OBD devices have a standby current, it is reccomended that
you unplug the HUD when not using your car for extended periods of time.
OBD Troubleshooting:
1.No Display and no power
Ensure the OBD cable is connected correctly. If still no power, test device in another car.
2.HUD powers on, shows car voltage and then powers off.
HUD is designed to work with OBD2 and EU-OBD. If your car does not support either
protocol, then switch to GPS mode.
3.Inaccurate Speed
a. Check that you have set the speed unit correctly. (KM/H or MPH)
b. When HUD is powered on, vertical press the setting button for 5 seconds to enter menu
1 and the parameter shows 107. Push left or right to adjust the setting to increase or
decrease the value until the speed readout is accurate. After adjustment, long press for 5
seconds.
4.HUD will automatically restart
Find menu 9, adjust the parameter value to 13.6-13.8
Technical Parameters
1.Terms of Use:Environment temperature:-40C— +80C Barometric press: 86-106KPa
Relative humidity:10%-95% Environment voice:<=60dB
2.Work voltage:11V~18Vdc(12Vdc/200mA)
3.Standby current:<=20mA
4.Display way:Image reflective
5.Display channel :LED Display
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