1.When driving, you can drive without pressing the button after power on；

2.Passengers get on the car, press "start" button, the meter's speakers voice "on", the meter is in working status, the amount of screen display will start at 3, unit price screen displays the current unit price is 1, meter Cheng Bing showed that the range of 0, the clock screen display the current time and date, mileage per 1 km, total amount plus 1, and so on；

3.When the operation stops, press the "stop" button and the meter speaker plays the "get off" voice；

4.In the non-operational state, press the "menu" key to enter the query state, and the last driving record can be queried. "start" means up turn, "stop" means down turn, and press the "menu" key again to exit the query state；

5.In operating mode, pressing menu is invalid；

6.Clock calibration, waiting for GPS automatic calibration time

1.Storage function: can record and store the last time out record；

2.Permanent clock function: can display time and can automatically change the size and leap month according to the calendar；

3.Loss of power protection function: in the operation process, if the power is suddenly cut off for 4 hours, the operation data will not be lost；

4.Automatic exit query function: automatically exit the query state after enabling the query state for 30 seconds.

Waiting for GPS positioning: when the date and time display area are all displayed with 0, it means that GPS is not positioned. When the time and date show the current time, it means that GPS has been positioned and the vehicle can be started.

1. Accumulation of GPS positioning distance；

2. It is very easy to install the GPS module method；

3. The use of mileage sensor to record the mileage of different taxis requires setting different parameters.

（1）4-core power cord 150 cm long (positive and negative pole, ACC);

（2. ）Packed in cardboard.

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