CR CR4000 Installation Manual

Introduction to the CR CR4000 Installation Manual

In this manual, we will present a detailed guide for the physical installation of the CR CR4000 GPS, an advanced device designed to provide accurate and reliable tracking. Proper installation is crucial to ensure the optimal functioning of the device, so we will cover fundamental aspects such as the correct positioning of the GPS, connection to power, chip insertion, and functionality verification.

When positioning the CR CR4000, make sure it is in a location with good visibility of the sky to optimize signal reception. The power supply should be connected securely, following the manufacturer's specifications to avoid damage. Inserting the chip is an important step that should be done carefully to ensure proper communication of the device. Finally, we will conduct a verification to confirm that the CR CR4000 is functioning correctly and ready for use.

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SMS Commands

1. Sending Angle Configuration

The first step involves configuring the tracker’s position sending by angle. The value to be set varies between 30 and 80 degrees, with the factory default setting being 30 degrees.

A7777AT+ANG=30;

2. Transmission Time Configuration

In this phase, you will adjust the position sending times and the device's sleep mode. The transmission interval, while the ignition is on, is set in seconds, and the sleep time should be configured to optimize power consumption.

AS7777AT+TIMESLOT=60,5,30;

3. DNS and Port Configuration

Here, you must configure the DNS servers and the port that the tracker will use. It is important to ensure that the servers are correct for proper functioning.

AS7777AT+DNS=www.central.trackar.com.br,5248;

4. Carrier APN Configuration

In this step, it is crucial to update the APN, username, and password information, as these details vary according to the chip supplier and the carrier used. Make sure that the information is correct to ensure connectivity.

AS7777AT+APN=allcom.br,allcom,allcom;

AS7777AT+APN=smart.m2m.vivo.com.br,vivo,vivo;

AS7777AT+APN=trasnmeet.br,vivo,vivo;

Special commands

5. Special Commands

Special commands allow for quick interaction with the device, facilitating queries and adjustments. Use them as needed.

AS7777AT+IMEI;

AS7777AT+RESET;

AS7777AT+ICCID;

AS7777AT+HBT=ON;

AS7777AT+HBT=OFF;

The HeartBeat command for light and heavy vehicles is enabled by default, while for motorcycles it is recommended to disable it due to the low amperage of the battery.