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FCC Statement 

 

 

A.    User’s Guide 

 

 

  This device complies with part 15 of the FCC Rules.   Operation 
  is subject to the following two conditions:   
 (1) This device may not cause harmful interference, and   
 (2) This device must accept any interference received,   
  including interference that may cause undesired operation. 

 

 

 

B. FCC Compliance statement   

 

  This equipment has been tested and  found to comply with the limits for a Class  B 

digital device, pursuant to part 15 of the FCC Rules.    These limits are designed to provide 
reasonable protection against harmful interference in a residential installation. 
This equipment generates, uses and can radiate radio frequency energy and, if not installed 
and used in accordance with the instructions, may cause harmful interference  to radio 
communications. However, there is  no guarantee that interference will not occur  in a 
particular installation.    If this equipment does cause harmful interference to  radio or 
television reception, which can be determined by turning the equipment off and on, the user 
is encouraged to try to correct the interference by one or more of the following measures: 
 
  - Reorient or relocate the receiving antenna. 
  - Increase the separation between the equipment and receiver. 
  -  Connect the equipment into an outlet on a  circuit different from that to which the 

receiver is connected. 

  - Consult the dealer or an experienced radio/TV technician for help. 

 

 

C. Caution !!!   

 

Any changes or modifications to the equipment not expressly approved by the party   

responsible for compliance could void user’s authority to operate the equipment. 

 

Summary of Contents for OKA-450R

Page 1: ...OKA 450R P N 96486309 P N 96486310 Receiver Tire Pressure Monitoring System...

Page 2: ...ed in accordance with the instructions may cause harmful interference to radio communications However there is no guarantee that interference will not occur in a particular installation If this equipm...

Page 3: ...ssure Monitoring System for vehicle 2 2 User s manual provisionally 3 3 Block diagram 4 4 Specification 5 5 Features 6 6 PCB 6 1 Parts layout front 7 6 2 Pattern layout front 8 6 3 Parts list 10 7 Con...

Page 4: ...the receiver detects the synchronous code and IG is ON it runs continuously to receive the signals completely If the received code is normal the system will not inform the user As shown below in the...

Page 5: ...ck to the nearest car dealer as soon as possible Whenever the tires and wheels are replaced with new ones Tire inflation pressure sensors must be fitted on the new wheels and their ID codes must be pr...

Page 6: ...ock diagram concerning to the receiver 10 178125 MHz 8 MHz Figure 3 1 block diagram of the receiver 16BIT CPU RECEIVING MODULE EEPROM POWER SOURCE 5V data OUTPUT CIRCUIT input output Signal of vehicle...

Page 7: ...er ch 16bit x 1 8bit x 4 DMAC ch Serial I O Clock Sync UART x 2 A D converter 10bit x 12 2 ch D A converter 8bit x 1 External Interrupts sources 8 CRC Operation Circuit Watchdog Timer Avl CAN ch 1 Spe...

Page 8: ...20mA Operation temperature 30 85 5 Features Battery saving The receiver works intermittently to reduce the battery consumption The microcomupter embedded on the receiver controlls the power supply for...

Page 9: ...8 6 Connector This is the pin assignment of the connector Figure 6 4 1 the shape of the connector Figure 6 4 2 This is the pin assignment of the connector...

Page 10: ...g with the OKA 210T model which send the data when Tire Pressure is less than 210 kPa the part number 96486309 is assigned 96486310 When OKA 450R Receiver is using with the OKA 220T model which send t...

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