Microlife BP 3BU1-5 Blood Pressure Monitor User Manual

The Microlife BP 3BU1-5 is an automatic upper arm blood pressure monitor with clinically validated accuracy, featuring One-Touch operation, Intellisense technology for comfortable inflation, irregular heartbeat detection, 2-user memory with 99 readings each, date and time display, WHO blood pressure classification indicator, and large LCD display. It includes a D-ring cuff (22-42 cm), AC adapter, instruction manual, and storage case. Below are key sections for safety, features, preparation, measurement, memory, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Information 3. Parts Identification 4. Initial Setup 5. Taking a Measurement 6. Memory Function 7. Understanding Results 8. Care & Maintenance 9. Specifications 10. Troubleshooting 11. Warranty & Support

Features at a Glance

Key components: Main unit with LCD display, D-ring cuff, AC adapter, instruction manual, storage case.

Feature	Description
One-Touch operation	Automatic inflation and deflation with single START/STOP button
Intellisense technology	Adjusts inflation pressure for comfortable measurement
Irregular heartbeat detection	Detects and displays irregular heartbeat symbol during measurement
2-user memory	Stores 99 readings for each of two users with date and time
WHO classification indicator	Shows color-coded blood pressure level according to WHO guidelines
Large LCD display	Easy-to-read digits and icons
D-ring cuff	22-42 cm circumference for easy self-application
Date and time	Automatic recording of measurement time
Automatic power off	Conserves battery life after 1 minute of inactivity
AC adapter option	For mains power operation (included)

Safety Information

Read all instructions before use. For personal home use only.

Do not use on infants, children, or persons unable to express their will.
Consult physician before use if you have arrhythmia, blood circulation problems, or other serious conditions.
Do not use during or immediately after physical exercise, bathing, eating, or drinking alcohol/caffeine.
Do not inflate cuff when not wrapped around arm.
Keep away from strong electromagnetic fields (microwaves, mobile phones).

WARNING! This device is not a substitute for professional medical diagnosis. Consult your doctor for interpretation of measurements.

Parts Identification

Front of device: LCD display, START/STOP button, MEMORY button, USER 1/2 selection button, DATE/TIME SET button.

Display symbols: User indicator (1 or 2), systolic pressure, diastolic pressure, pulse rate, irregular heartbeat symbol, WHO classification bar, battery indicator, memory full icon, date and time.

Cuff: D-ring for easy application, air tube connector, artery marker (align with brachial artery).

Initial Setup

Before first use: Install batteries or connect AC adapter, set date and time.

Battery installation: Open battery compartment, insert 4 AA batteries observing polarity.
AC adapter: Connect to DC jack on side of unit, then to wall outlet (use only supplied adapter).
Set date/time: Press and hold DATE/TIME button, use START/STOP to adjust values, press DATE/TIME to confirm.
Select user: Press USER button to select User 1 or User 2 before measurement.

CAUTION! Use correct battery polarity to avoid damage. Remove batteries if not used for extended periods.

Taking a Measurement

Preparation: Rest for 5 minutes in seated position. Avoid talking or moving during measurement.
Cuff application: Place cuff on bare upper arm 1-2 cm above elbow. Align artery marker with inner arm. Secure snugly with D-ring.
Positioning: Sit with back straight, feet flat on floor. Rest arm on table with cuff at heart level.
Measurement: Press START/STOP button. Cuff inflates automatically. Remain still until results display.
Reading: Systolic, diastolic, and pulse rate display with WHO classification. Irregular heartbeat symbol appears if detected.

Memory Function

Access OSD via TV MENU or SETUP (DVD). Front Panel: POWER, OPEN/CLOSE, AUTO/DPMS, MUTE.

Viewing memory: Press MEMORY button to scroll through stored readings for selected user. Display shows reading number, systolic/diastolic, pulse, date and time.

Clearing memory: While in memory mode, press and hold MEMORY button for 3 seconds to delete all readings for current user.

User selection: Press USER button to switch between User 1 and User 2 memory banks.

Understanding Results

WHO classification colors on display:

Green: Optimal (Systolic < 120, Diastolic < 80)
Yellow: Normal (Systolic 120-129, Diastolic 80-84)
Orange: High Normal (Systolic 130-139, Diastolic 85-89)
Red: Hypertension (Systolic ≥ 140, Diastolic ≥ 90)

Irregular heartbeat symbol: Appears if irregular rhythm detected during measurement. If symbol appears frequently, consult physician.

Tip: Take measurements at same time each day for consistent tracking. Record readings in provided log.

Care & Maintenance

Supports DVD-Video, audio CDs.

Cleaning: Wipe unit with slightly damp cloth. Do not immerse in water. Do not use solvents or abrasives.
Cuff care: Clean with mild soap and water if soiled. Allow to dry completely before storage.
Storage: Store in provided case in cool, dry place away from direct sunlight.
Batteries: Replace when battery symbol appears on display. Use alkaline batteries for best performance.
Transport: Disconnect tube from unit before transporting to prevent damage to air port.

WARNING! Do not attempt to repair unit yourself. No user-serviceable parts inside.

Specifications

Closed Captions: Enable in DVD setup (On/Off). Parental Controls: Block by movie/TV ratings in FEATURES menu (password 9999).

Measurement method: Oscillometric
Pressure range: 0-299 mmHg
Pulse range: 40-199 beats per minute
Accuracy: Pressure: ±3 mmHg, Pulse: ±5% of reading
Cuff size: 22-42 cm (included)
Memory: 2 x 99 readings with date/time
Power supply: 4 x AA batteries or 6V DC adapter
Battery life: Approx. 300 measurements (alkaline batteries)
Dimensions: 123mm (W) x 85mm (H) x 141mm (D)
Weight: 300g (without batteries)

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display	Dead batteries	Replace all 4 batteries with new alkaline batteries.
Error code E1	Cuff not properly attached	Check cuff connection to unit. Reattach securely.
Error code E2	Measurement error	Reapply cuff correctly. Remain still during measurement.
Error code E3	Pressure too high	Consult physician. Do not use if systolic > 299 mmHg.
Inconsistent readings	Movement during measurement	Ensure proper rest period. Keep arm still at heart level.
Memory full	99 readings stored	Clear memory or overwrite oldest readings automatically.
Cuff doesn't inflate	Blocked air tube	Check tube for kinks. Ensure proper connection.

Reset: Remove batteries for 1 minute to reset unit to factory settings.

Warranty & Support

Microlife provides a 5-year warranty on this device from date of purchase. Warranty covers defects in materials and workmanship. Not covered: Damage from misuse, improper care, unauthorized repair, or normal wear. For service, contact authorized Microlife service center.

Support: Microlife Customer Service: 1-800-435-XXXX (USA), www.microlife.com. Include model number (BP 3BU1-5) and serial number when contacting support.

Disposal: Dispose of device and batteries according to local regulations. Do not dispose with household waste.