Microlife WatchBP O3 Blood Pressure Monitor User Manual

The Microlife WatchBP O3 is a clinically validated, automatic upper arm blood pressure monitor featuring AFIB (Atrial Fibrillation) detection, MAM (Microlife Average Mode) technology for increased accuracy, a large LCD display with backlight, memory storage for multiple users, WHO (World Health Organization) classification indicator, irregular heartbeat detection, comfortable Intelli Wrap Cuff, and one-touch operation. Below are key sections for safety, features, setup, measurement, maintenance, and troubleshooting.

Features at a Glance

Key components: Main unit with LCD display, Intelli Wrap Cuff (22-42 cm), AC adapter, storage case, and user manual.

Safety Information

Read all instructions before use. Consult your physician for interpretation of readings.

1. Do not use on infants, children, or persons unable to express themselves.
2. Do not use during dialysis or if you have pre-eclampsia (consult doctor).
3. Do not inflate cuff when not wrapped around arm.
4. Keep device away from children and pets.
5. Use only specified AC adapter or batteries.

WARNING! This device is for home use only, not for professional medical diagnosis. Measurements may be affected by movement, talking, or irregular heart rhythms.

Package Contents

• Microlife WatchBP O3 monitor (main unit)
• Intelli Wrap Cuff (22-42 cm)
• 4 x AA batteries
• AC adapter
• Storage case
• Quick start guide
• This user manual
• Warranty card

CAUTION! Check all items upon unpacking. Do not use if any component appears damaged.

Device Overview

Front Panel: LCD display, START/STOP button, MEMORY button, USER button, DATE/TIME button.

Display Symbols: Systolic/Diastolic pressure, Pulse rate, WHO indicator (green/yellow/red), AFIB symbol, Irregular heartbeat symbol, User indicator (1/2), Battery indicator, Memory full indicator, Error symbols.

Connections: Cuff tube socket, DC input for AC adapter.

Cuff: Pre-formed with metal ring, correct fit indicator (blue OK zone), Velcro closure.

Initial Setup

Before first use, install batteries or connect AC adapter, set date/time, and select user.

1. Insert batteries: Open battery compartment, insert 4 AA batteries observing polarity.
2. Set date/time: Press and hold DATE/TIME button, use START/STOP to adjust values.
3. Select user: Press USER button to choose User 1 or User 2.
4. Cuff application: Place cuff on bare upper arm, align artery marker with brachial artery.

Tip: Rest for 5 minutes before first measurement. Sit comfortably with feet flat on floor.

Taking a Measurement

For accurate results, follow proper measurement procedure.

1. Sit comfortably: Back supported, feet flat, arm resting on table at heart level.
2. Apply cuff: Wrap cuff snugly around bare upper arm, tube facing downward.
3. Position: Ensure cuff is 1-2 cm above elbow, artery marker aligned.
4. Start measurement: Press START/STOP button, remain still and quiet.
5. Cuff inflation: Device inflates automatically to appropriate pressure.
6. Reading: Results display with pulse rate and WHO classification.
7. MAM mode: For 3-reading average, press START/STOP again within 1 minute.

WARNING! Do not move, talk, or cross legs during measurement. Wait 3 minutes between readings.

Understanding Results

The display shows systolic pressure (top), diastolic pressure (middle), and pulse rate (bottom).

Symbols: AFIB symbol flashes if atrial fibrillation detected. Irregular heartbeat symbol appears if pulse irregularity detected. Consult physician if symbols appear frequently.

Memory Function

Stores up to 99 readings per user with date/time stamp.

1. View memory: Press MEMORY button to scroll through stored readings.
2. Delete reading: Press and hold MEMORY while viewing specific reading.
3. Delete all: Press and hold MEMORY and USER simultaneously for 3 seconds.
4. User selection: Press USER button to switch between User 1 and User 2 memory.

Note: Memory full indicator appears when 99 readings stored. Oldest readings are overwritten.

Care & Maintenance

Unplug or remove batteries before cleaning. Store in provided case when not in use.

1. Clean cuff: Use mild soap and damp cloth, air dry completely.
2. Clean monitor: Wipe with dry, soft cloth.
3. Battery replacement: Replace when battery indicator shows low.
4. Storage: Keep in cool, dry place away from direct sunlight.

CAUTION! Do not immerse in water. Do not use alcohol or solvents. Do not disassemble.

Technical Specifications

• Measurement Method: Oscillometric
• Pressure Range: 0-299 mmHg
• Pulse Range: 40-199 beats/minute
• Accuracy: Pressure: ±3 mmHg, Pulse: ±5%
• Cuff Size: 22-42 cm (arm circumference)
• Memory: 99 readings x 2 users
• Power Supply: 4 x AA batteries or 6V DC adapter
• Battery Life: Approx. 500 measurements (alkaline)
• Dimensions: 128 x 105 x 65 mm (main unit)
• Weight: 350 g (without batteries)
• Operating Conditions: 10°C to 40°C, 15% to 90% RH

Troubleshooting

Reset: Remove batteries for 5 minutes to reset device.

Service: For technical support, contact Microlife customer service or visit www.microlife.com. Do not attempt to repair device yourself.