Microlife BP3MQ1-LF Blood Pressure Monitor User Manual

The Microlife BP3MQ1-LF is an upper-arm digital blood pressure monitor designed for home use. It features one-touch operation, automatic inflation, irregular heartbeat detection, 2-user memory with 99 readings each, date/time display, WHO blood pressure classification indicator, and an easy-to-read LCD screen. The device is powered by 4 AA batteries or an optional AC adapter. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Safety Information 3. Package Contents 4. Specifications 5. Device Overview 6. Initial Setup 7. Taking a Measurement 8. Memory Function 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit, Upper-arm cuff, AC adapter port (optional), Battery compartment, LCD display, START/STOP button, MEMORY button.

Feature	Description
One-Touch Operation	Automatic inflation and measurement with single button press
2-User Memory	Stores 99 readings for each of two users
WHO Indicator	Color-coded bar graph shows blood pressure classification
Irregular Heartbeat Detection	Detects and displays irregular heartbeat during measurement
Date & Time Stamp	Records measurement date and time for tracking
Automatic Power Off	Conserves battery life by turning off after 1 minute of inactivity
Large LCD Display	Easy-to-read results with backlight
AC Adapter Option	Can be used with optional AC adapter (not included)
Cuff Fit Indicator	Verifies proper cuff placement
Average Value	Calculates average of last 3 readings for each user

Safety Information

Read all instructions before use. For accurate measurements and safe operation.

Consult your physician before use if you have arrhythmia, pre-eclampsia, or other circulatory disorders.
Do not use on infants, children, or persons unable to express themselves.
Do not use while moving, talking, or immediately after exercise, eating, or bathing.
Ensure cuff is at heart level during measurement.
Do not over-tighten the cuff.

WARNING! This device is for home monitoring only, not for diagnostic purposes. Consult your doctor for medical diagnosis.

Package Contents

Unpack and verify all components are present.

Main Unit: Blood pressure monitor with display.
Upper-Arm Cuff: 22-42 cm circumference.
Instruction Manual: This document.
Quick Start Guide: Basic operation instructions.
Storage Case: For device and cuff storage.
Warranty Card: Manufacturer's warranty information.

Note: Batteries and AC adapter are not included.

Specifications

Measurement Method: Oscillometric.
Measurement Range: Pressure: 0-299 mmHg, Pulse: 40-199 beats/min.
Accuracy: Pressure: ±3 mmHg, Pulse: ±5% of reading.
Memory: 2 users x 99 readings.
Cuff Size: 22-42 cm (8.7-16.5 inches).
Power Source: 4 x 1.5V AA batteries or DC 6V adapter.
Battery Life: Approximately 500 measurements (alkaline batteries).
Operating Conditions: 10°C to 40°C (50°F to 104°F), 15-85% humidity.
Storage Conditions: -20°C to 60°C (-4°F to 140°F).
Dimensions: Main unit: 135 x 105 x 55 mm.
Weight: Approximately 300g (without batteries).

Device Overview

Front Panel: LCD display, START/STOP button, MEMORY button, USER 1/USER 2 buttons.

Display Symbols: User indicator, Systolic pressure, Diastolic pressure, Pulse rate, WHO indicator bar, Irregular heartbeat symbol, Date/Time, Battery indicator, Memory full indicator, Cuff fit indicator.

Side/Rear: Cuff connector port, AC adapter port (DC 6V), Battery compartment.

Initial Setup

Prepare device for first use.

Insert batteries: Open battery compartment, insert 4 AA batteries observing polarity.
Set date and time: Press and hold MEMORY button for 3 seconds, use START/STOP to adjust.
Attach cuff: Connect cuff tube to device port until it clicks.
Select user: Press USER 1 or USER 2 button to select user profile.

CAUTION! Use only recommended batteries. Do not mix old and new batteries.

Taking a Measurement

For accurate results, follow these steps carefully.

Sit comfortably: Rest for 5 minutes before measurement.
Apply cuff: Place cuff on bare upper arm 1-2 cm above elbow.
Position arm: Rest arm on table with cuff at heart level.
Start measurement: Press START/STOP button.
Remain still: Do not move or talk during measurement.
Read results: Systolic, diastolic, and pulse rate display automatically.
Store reading: Reading is automatically stored to selected user memory.
Remove cuff: Wait for complete deflation before removing.

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

Memory Function

Review and manage stored readings.

Select user: Press USER 1 or USER 2 button.
View memory: Press MEMORY button to scroll through stored readings.
View average: Press and hold MEMORY button for 2 seconds to show average of last 3 readings.
Clear memory: With memory displayed, press and hold USER button for 5 seconds until "0" appears.

Note: Memory is preserved when batteries are replaced if done within 3 minutes.

Care & Maintenance

Proper care ensures accurate measurements and long device life.

Clean device: Use soft, dry cloth. Do not use solvents or abrasives.
Clean cuff: Wipe with damp cloth and mild detergent. Do not immerse in water.
Store properly: Keep in storage case in cool, dry place.
Replace batteries: When battery indicator appears.
Check cuff: Inspect regularly for wear or damage.

CAUTION! Do not disassemble device. No user-serviceable parts inside.

Regulatory Information

This device complies with Part 15 of the FCC Rules. Operation is subject to the condition that it does not cause harmful interference. Medical device classification: Class IIa according to MDD 93/42/EEC. CE marked. Manufactured by Microlife AG, Espenstrasse 139, 9443 Widnau, Switzerland. For support, visit www.microlife.com or contact your local Microlife service center.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display	Dead batteries	Replace all 4 batteries with new ones.
Error code E1	Cuff not properly attached	Check cuff connection; reattach securely.
Error code E2	Measurement error	Remain still and retry; ensure cuff at heart level.
Error code E3	Irregular heartbeat detected	Reading may be inaccurate; consult physician if frequent.
Inconsistent readings	Improper positioning	Ensure proper cuff placement and body position.
Cuff doesn't inflate	Tube blockage or leak	Check tube for kinks; ensure proper connection.
Memory not working	Batteries removed too long	Replace batteries within 3 minutes to preserve memory.

Reset: Remove batteries for 5 minutes, then reinsert.

Service: Contact authorized Microlife service center. Do not attempt repairs yourself.