Truly DB68, User Manual

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polarities.
“Er P” displayed Fail to inflate Check if the cuff is properly
connected.Replace the air
tube if it is broken.
“Er 1” displayed Deflate too rapidly Return for servicing.
“Er 2” displayed Movement during measurement Do not move during
measurement
Signal interference Remove interfering source
e,g. mobile phones,magnets.
“Er 3” displayed Incorrect results Measure again
Note: If your problem cannot be solved by the above,consult your store of
purchase.Do not disassemble the unit.
7. Storage & Maintenance
— Keep away the unit from direct sunlight,extreme temperatures,humidity or moisture.
— Use a dry,soft cloth to clean the unit,or if desired,use a cloth lightly dampened with
water.
— Do not use alcohol,benzene,thinner or other volatile liquids to clean the unit.
— Do not wash or expose the arm cuff to liquid.
— The user must check that the equipment functions safely and see that it is in proper
working condition before being used.
WARNING: long power cable and air hose.To avoid strangulation and
entanglement,keep cable and hoses out of reach of young children.
8. Product Specifications
Model No. DB68
Measurement method Oscillometric
Measurement range Pressure:20~280 mmHg
Pulse Rate:40~195 beats/min
Accuracy Pressure:
±
3 mmHg Pulse Rate:
±
5%
Inflation Pump driven
Pressure Detection Semi-conductor
Power Supply 4x AA batteries