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Wireless Tire Pressure Monitoring System 

 

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Wireless Tire Pressure Monitoring System 

 
KRF-688 2-WAY Wireless Tire Pressure Monitoring System can ensure your safety driving. The system will 
automatic check your tires pressure and temperature any time and monitor them on during driving. It warns 
the driver in case of over or under-inflation, pressure leakage and excessive tire temperature through 
indication on LCD display via the digitals, the backlight colors(3 colors)and the audible alarm immediately 
while stationary and during driving.   
 
 

The list of accessories for KRF-688 WTPMS 

 

NO 

Name of unit 

Q’ty 

Main Display unit 

Holder of Display 

C Power 

adaptor 

D BATTERY 

 

AAA*2 

Tire pressure and temperature sensor 

F Manual 

 
 

Summary of Contents for KRF-688

Page 1: ...Wireless Tire Pressure Monitoring System KRF 688 WIRELESS TIRE PRESSURE MONITONING SYSTEM MANUAL ...

Page 2: ...on during driving It warns the driver in case of over or under inflation pressure leakage and excessive tire temperature through indication on LCD display via the digitals the backlight colors 3 colors and the audible alarm immediately while stationary and during driving The list of accessories for KRF 688 WTPMS NO Name of unit Q ty A Main Display unit 1 B Holder of Display 1 C Power adaptor 1 D B...

Page 3: ...lder of Display Step 2 Pastes on the Holder of Display the 3M double coated foam tape puts in front the driver seat to be easy to see also does not affect the driving view Step 3 After install the battery then showed all figure on the display Backlight still light 5 sec Then stand by Step 4 The display show and when the system is Stand by ...

Page 4: ...Wireless Tire Pressure Monitoring System 3 Step 5 Setting up the Main display unit in the holder Connect to the power plug ...

Page 5: ... Tire pressure and temperature sensor installation Step 1 Take off the tires and bleed the air Step 2 Recognize the number on each sensor with position of tire on the vehicle 1 Left Front No 1 2 Right Front No 2 3 Left Rear No 3 4 Right Rear No 4 ...

Page 6: ...oad with the completed tires in the vehicle Step 5 Set up new stand value of tire see Set Pressure stand value Turn on the ignition switch of the vehicle until the power is activated on the cigar lighter The in car display will be activated Suggest Before you turn off the ignition switch please OFF the main Unit If not when you turn on the ignition the main unit must reset ...

Page 7: ...toring System 6 The System Operation z Key Function ON OFF Manual Function select Temperature Pressure Switch Transmit signal Adjust Pressure values press the key increase values Adjust Pressure values press the key reduce values ...

Page 8: ... of pressure temperature 1 2 3 4 Transmit Receive State Detect tire pressure state Battery state Detect tire temperature state Auto tire pressure detect Temperature Pressure unit switch Program learning Replacing tire Program option Unusual tire Pre Tem Warning Unusual tire Pre Tem Alarm ...

Page 9: ...rom tires is lower 30 of Pressure stand value It s alarm state the display unit will turn red color backlight and beep sound Each one minutes transmit signal alarm z When the system detects any temperature from tires is 75 It s warn state the display unit will turn yellow color backlight and beep sound Each five minutes transmit signal warning z When the system detects any temperature from tires i...

Page 10: ...ight light 3 sec The display show and when the system is Stand by z Temperature Pressure Switch Press button to change Temperature Pressure values Main unit beep 1 sound and display 4 values Then disappear after 5 sec z Pre check tire pressure Take off the Main Unit form holder Near the tire to be away from in the 40 50cm scope Press button after hear beep sound the tire pressure value will be sho...

Page 11: ... the Function mode Press Select Press confirm Press switch tire position Press Transmit signal After hear 1 beep from Main unit selected tire position display new pressure value and flash Press 3 sec After 1 beep then When the new pressure value stable then Press Transmit confirm Quit Function mode Repeats the above setup for set the other tire ...

Page 12: ...rease reduce adjust flash tire pressure value Press Transmit Signal After 1 Beep express replace tire set OK Press 3 sec After 1 beep then Quit Function mode Enter this monitor press key 1 2 3 4 Press switch flash tire position Press 3 sec After 1 Beep enter the Function mode Press Select ...

Page 13: ...to the antenna or the device is permitted Any change to the antenna or the device could result in the device exceeding the RF exposure requirements and void user s authority to operate the device 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 rece...

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