ELING manufactures precision automotive and marine instruments, specializing in universal GPS speedometers, tachometers, and multi-function gauges.
ELING is a specialized manufacturer of automotive and marine instrumentation, operated by Shanghai Eling Electronic Machinery Co., Ltd. The company produces a wide array of precision gauges designed to withstand the demands of vehicle and vessel environments.
The product range includes GPS speedometers, tachometers, multi-function gauges, and essential sensors for monitoring engine health. Known for their universal fitment (commonly 52mm and 85mm diameters) and easy installation, ELING gauges are widely used for aftermarket upgrades on boats, trucks, ATVs, and heavy machinery.
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E01 indicates that the device has not yet found a GPS signal. E02 indicates that the GPS signal was lost during operation. Ensure the antenna has a clear view of the sky.
Press the external button (often labeled 'Mode' or 'Unit') to cycle between knots, MPH, and km/h. The gauge will automatically save the selection.
Hold the rubber button on the back for 3 seconds to enter setting mode. Press the button to increase or decrease the ratio value to match your engine's cylinder count or alternator poles.