Microlife aponorm Basis Blood Pressure Monitor User Manual

The Microlife aponorm Basis is an automatic upper arm blood pressure monitor designed for easy, accurate home use. It features one-touch operation, a large LCD display, irregular heartbeat detection, hypertension indicator, memory storage for multiple readings, and a comfortable cuff. Below are key sections for safety, features, setup, measurement, memory functions, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Information 3. Package Contents 4. Device Overview 5. Getting Started 6. Taking a Measurement 7. Understanding Results 8. Memory Function 9. Care & Maintenance 10. Technical Specifications 11. Troubleshooting

Features at a Glance

Key components: Main unit with LCD display, Upper Arm Cuff, AC Adapter (optional), Storage Case, User Manual.

FeatureDescription
One-Touch OperationFully automatic inflation and measurement
Large LCD DisplayClear display of systolic, diastolic, pulse, and date/time
Irregular Heartbeat Detection (IHD)Detects possible pulse irregularities during measurement
Hypertension IndicatorDisplays color-coded bar according to WHO classification
Memory FunctionStores readings for multiple users (e.g., 2x60 memories)
Automatic Power OffConserves battery life
Comfortable Cuff22-42 cm circumference with D-ring for easy self-application
Date & Time StampRecords measurement date and time for tracking
Battery/AC Operation4xAA batteries or optional AC adapter
Error DetectionAlerts for incorrect cuff placement or movement

Safety Information

Read all instructions before use. For home use only.

  1. Do not use on infants, small children, or persons unable to express themselves.
  2. Do not use during physical activity or immediately after exercise.
  3. Consult your physician for interpretation of readings and diagnosis.
  4. Do not modify the device or cuff.
  5. Keep away from strong electromagnetic fields (e.g., mobile phones, microwaves).

WARNING! This device is not a substitute for professional medical diagnosis. If you have arrhythmia or other conditions, consult your doctor about the suitability of this monitor.

Package Contents

Note: Optional AC adapter sold separately. Ensure all items are present before use.

Device Overview

Front Panel: START/STOP button, Memory (M) button, User Select button (1/2), LCD display.

LCD Display Icons: Systolic pressure, Diastolic pressure, Pulse rate, Irregular heartbeat symbol, Hypertension indicator bar, User icon, Memory icon, Battery icon, Date/Time, Error symbol.

Cuff Connector Port: Located on left side of unit.

Battery Compartment/DC Input: Located on back of unit.

Getting Started

Prepare the device for first use.

  1. Insert Batteries: Open battery compartment on back, insert 4 AA batteries matching polarity marks.
  2. Set Date & Time: Press and hold M button for 3 seconds until date flashes. Use START/STOP to adjust values, M to confirm and move to next setting.
  3. Apply Cuff: Place cuff on bare upper arm. The artery marker (△) should align with brachial artery on inner arm. Cuff edge should be 2-3 cm above elbow. Secure with fabric closure.
  4. Connect Cuff: Plug cuff tube into port on left side of monitor until it clicks.

CAUTION! Do not use on injured or sore arm. Rest for 5 minutes before measuring.

Taking a Measurement

For accurate results, follow these steps carefully.

  1. Sit comfortably on a chair with back support, feet flat on floor.
  2. Rest arm on table so cuff is at heart level.
  3. Select User: Press User button to choose User 1 or User 2 icon.
  4. Press START/STOP button. Cuff will inflate automatically.
  5. Remain still and quiet during measurement. Do not move arm or talk.
  6. Measurement completes when cuff deflates. Results display with pulse.
  7. To turn off, press START/STOP again or wait for auto power-off (approx. 1 minute).

Tip: Take measurements at same time each day for consistent tracking.

Understanding Results

The display shows systolic, diastolic, and pulse readings.

Note: Single readings may vary. Track trends over time.

Memory Function

Stores readings separately for two users.

  1. View Memory: Press M button once to display average of last 3 readings for selected user. Press again to scroll through individual stored readings (most recent first).
  2. Delete Memory: While in memory view, press and hold M button for 3 seconds until "CLr" appears. All readings for that user are deleted.
  3. User Selection: Press User button to switch between User 1 and User 2 before measurement. Each user has independent memory.

WARNING! Deleting memory is permanent. Record important readings elsewhere if needed.

Care & Maintenance

Unplug cuff and remove batteries before cleaning.

  1. Clean monitor with slightly damp cloth. Do not immerse in water or use solvents.
  2. Clean cuff with mild soap and damp cloth. Do not machine wash or dry.
  3. Store in provided case in a cool, dry place away from direct sunlight.
  4. Replace batteries when low battery icon appears. Remove batteries if not used for extended periods.
  5. Do not expose to extreme temperatures, humidity, or strong shocks.

CAUTION! Do not attempt to repair device yourself. Contact authorized service.

Technical Specifications

Troubleshooting

SymptomPossible CauseCorrective Action
No displayDead batteriesReplace all batteries with new ones.
Error E1 displayedCuff not connected or leakingCheck cuff connection; ensure cuff is intact and properly applied.
Error E2/E3 displayedMovement during measurementRemain still and retake measurement.
Inconsistent readingsIncorrect posture or cuff positionSit correctly with cuff at heart level; ensure proper cuff placement.
Cuff does not inflateBlocked tube or weak batteriesCheck tube for kinks; replace batteries.
Memory not storingMemory full or user not selectedDelete old readings; select correct user before measuring.
Irregular heartbeat symbol appearsPossible arrhythmia detectedIf symbol appears frequently, consult your physician.

Reset: Remove batteries for 1 minute to reset device.

Service: For technical support, contact Microlife Customer Service or visit www.microlife.com. Do not open the device.

Microlife aponorm Basis Blood Pressure Monitor User Manual © - All Rights Reserved 2025