SMS Commands for CR CR4000 Tracker

Introduction to SMS Commands for the CR CR4000 Tracker

The CR CR4000 tracker offers robust functionality through SMS commands, allowing users to manage and monitor their units conveniently and efficiently. These commands are particularly useful in situations where internet access may be limited or when quick and direct communication is needed. To use the SMS commands, it is essential that the device is properly configured and that the user knows the default password, which should be kept secure to prevent unauthorized access.

Before sending any command, it is recommended to check prerequisites such as chip activation and network coverage to ensure that messages are sent and received correctly. Security is a crucial aspect; therefore, it is advisable to change the default password as soon as the device is activated, effectively protecting your information and tracking.

Explore all the possibilities that the CR CR4000 tracker offers and maximize your monitoring experience. For even more efficient management, get to know the Trackar platform, which offers a one-time payment and various features to enhance your tracking.

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.