OVERWATCH PL641 User Manual Download Page 3

⚫  

Green Power LED OFF continuously 

: Power off 

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Red GSM LED Flash once 

: Upload location to server OK 

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Red GSM LED Flash twice 

: Upload location to server Fail 

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Red LED ON continuously 

: Battery is charging 

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Red LED OFF continuously 

: Battery charging finished 

 
 

Before Using: 

 

1. At first to buy a 4G LTE / 3G WCDMA / 2G GSM SIM card which have SMS service and incoming 

caller ID service & internet data service, in which the SIM card phone number is the very tracker number and 

all the operation for the tracker is to this number, such as locating immediately, add & delete preset number, 

change password, enable over speed alarm, enable move alarm etc. 

Note: 

 

1. This  tracker  use  2G  GSM  or  3G  WCDMA  or  4G  LTE  network,  and  need  about  10MB-30MB 

data per month according the different working mode, recommended order a internet data package for the 

SIM card. (Note: Most M2M SIM Card have not voice & sms function, only can locate & upload location to 

server, this kind of M2M SIM card can not use SMS locate & alarm) 

2. This tracker use standard SIM card , please see the following diagram to select the SIM card. 

 
 
 
 
 
 
 
 
 
 

3. Some SIM card need to send SMS or USSD command to enable the data service, the detail 

please see the SIM card manual or call the SIM card service hotline. 

2. Power ON / OFF 

 

 

 

When power is OFF, press the 

“ON/OFF” button till the LED is ON, then release the button, the 

tracker is powered ON, when the LED flash means the tracker is working well. 

  When the power is ON, press the 

“ON/OFF” button till the Green LED Flash fast, and then

 

 

release the button,and press the ON/OFF 3 times

the tracker will turn off

 

LED & tracker. 

 

3. Install SIM card: Pulling out the long narrow rubber stopple beside the tracker, you can see the SIM 

card socket, beside which, press the yellow switch button with a tool and then the holder will come out. Pull it 

out and put the SIM card in the holder and then push the holder into the tracker (Pay attention to that the SIM 

card metal contact pin can not face down to the holder), and push the long narrow rubber stopple into the 

 

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Summary of Contents for PL641

Page 1: ...4G GPS Portable Tracker User Manual PL641 1...

Page 2: ...in shock sensor for shock alarm User change work report mode by sms Auto configure APN Use external power box connect to car battery can be used as car gps tracker Suit for personal or vehicle tracki...

Page 3: ...ation to server this kind of M2M SIM card can not use SMS locate alarm 2 This tracker use standard SIM card please see the following diagram to select the SIM card 3 Some SIM card need to send SMS or...

Page 4: ...nd send battery low alarm information to authorized number and later if the battery power is too low it will power off automatically 6 Back to Factory Setting Default Setting Sending SMS FACTORY 12345...

Page 5: ...ation can not update on the app website and the red LED will flash twice then you need send SMS to tracker to change the APN GPRS manually send SMS CHECK 12345678 to tracker to check the APN configura...

Page 6: ...ssword the tracker will send back the information Set Shock Alarm ON to indicate the operation is success and go to arm state if the password is not right the operation is fault the tracker will send...

Page 7: ...114 15188E Battery 91 If no authorized number is added the SOS information can not be sent If the SOS information is received please confirm the user is safety Settings Commands 1 Set Tracker Working...

Page 8: ...ce sms standby the tracker will not cost any data charge only SMS charge is needed This mode is suit for outdoor personal using the working time can be very long the standby time can be reach over 1 m...

Page 9: ...mobile phone to locate the tracker without platform if the authorized phone number is not set then the alarm information can not send to user by SMS alarm information SOS etc 4 1 Add authorized phone...

Page 10: ...can check or change the password 6 Set Alarm by Calling ON OFF Send SMS CALLON 12345678 Call to authorized number or CALLOFF 12345678 No calling to the tracker CALLON or CALLOFF is a command 12345678...

Page 11: ...58 64 155 133 8011 in factory it is not necessary to set again unless our IP address has been changed or user need upload the location to other server If our server IP is changed we will notice on the...

Page 12: ...ter 12 Restore to factory setting Back to Default Send SMS FACTORY 12345678 to tracker can make the tracker power off and power on again FACTORY is the fixed command 12345678 is password The tracker w...

Page 13: ...installed properly the SIM card PIN code is disable and the SIM card has enough charge and the mobile phone can work well in that place If the tracker work well the Green LED will flash once every 4...

Page 14: ...and B1 B3 B38 B39 B40 B41 GPS BeiDou Dual module N303 2 3 4G GPS Antenna Internal Internal Locate precision 5 10 Meters GPS Hot Start Time 1 second average GPS Cold Start Time 36 seconds average Track...

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