Microlife 3GY1-2N Blood Pressure Monitor User Manual

The Microlife 3GY1-2N is an automatic upper arm blood pressure monitor designed for home use. It features one-touch operation, a large LCD display, irregular heartbeat detection, 2-user memory with 99 readings each, WHO blood pressure classification indicator, date and time display, and an adjustable cuff. Below are key sections for safety, features, setup, operation, and maintenance.

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

Features at a Glance

Key components: Main unit with LCD display, Adjustable arm cuff, Air tube, 4x AA batteries, Storage case, Instruction manual.

Feature	Description
One-Touch Operation	Automatic inflation and deflation with single button press
WHO Indicator	Color-coded display based on WHO blood pressure classification
Irregular Heartbeat Detection	Detects and displays irregular heartbeat during measurement
2-User Memory	Stores 99 readings for each of two users
Large LCD Display	Easy-to-read results with date and time stamp
Adjustable Cuff	Fits arm circumferences 22-42 cm (8.7-16.5 inches)
Automatic Power Off	Conserves battery life
Average Value	Calculates average of last 3 readings taken within 10 minutes

Safety Information

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

Do not use on infants, children, or persons unable to express themselves.
Consult your physician before use if you have arrhythmia, other heart conditions, or are pregnant.
Do not use the monitor on an injured or sore arm.
Do not use while moving, talking, or immediately after exercise, eating, or bathing.
Keep the device away from strong electromagnetic fields (e.g., mobile phones, microwaves).

WARNING! This device is for home use only and is not a substitute for professional medical diagnosis. Consult your doctor for interpretation of results.

Package Contents

Microlife 3GY1-2N Blood Pressure Monitor (main unit)
Adjustable upper arm cuff
Air tube (pre-connected)
4 x AA batteries (1.5V)
Instruction manual
Storage case
Quick start guide

CAUTION! Inspect all contents. Do not use if any part is damaged.

Device Overview

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

Display Symbols: Systolic pressure, Diastolic pressure, Pulse rate, User indicator, Memory full icon, Irregular heartbeat symbol, Battery low indicator, WHO classification bar, Date & Time.

Connections: Cuff connector port on left side of unit.

Bottom: Battery compartment.

First-Time Setup

Prepare the monitor for first use.

Insert Batteries: Open battery compartment, insert 4 AA batteries observing correct polarity (+/-).
Set Date and Time: Press and hold MEMORY button for 3 seconds. Use START/STOP to adjust values, USER buttons to move between settings.
Attach Cuff: Ensure cuff is completely deflated and tube is securely connected to monitor.
Select User: Press USER 1 or USER 2 button to select your profile (indicator lights on display).

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

Taking a Measurement

For accurate results, follow these steps carefully.

Sit correctly: Sit on a chair with back support, feet flat, legs uncrossed.
Apply cuff: Place cuff on bare upper left arm (2-3 cm above elbow). The artery marker (Φ) should align with brachial artery. Secure snugly.
Position arm: Rest arm on table so cuff is at heart level. Relax, palm up.
Start measurement: Press START/STOP button. Cuff inflates automatically.
Remain still: Do not move or talk until measurement is complete and cuff deflates.
Read results: Systolic, diastolic pressure and pulse rate display. WHO indicator shows classification.
Power off: Device turns off automatically after 1 minute, or press START/STOP.

WARNING! Do not inflate cuff when not attached to arm. Maximum pressure is 299 mmHg.

Understanding Your Results

The WHO classification bar provides a visual guide:

Color Zone	Category	Systolic (mmHg)	Diastolic (mmHg)
Blue	Low	< 90	< 60
Green	Ideal	90-119	60-79
Yellow	Pre-Hypertension	120-139	80-89
Orange	Hypertension Stage 1	140-159	90-99
Red	Hypertension Stage 2	≥ 160	≥ 100

Irregular Heartbeat Symbol: If this icon appears during measurement, an irregular heartbeat was detected. Consult your physician if it appears frequently.

Note: Blood pressure varies throughout the day. Take multiple readings at the same time each day for consistent tracking.

Memory Function

Stores 99 readings per user with date and time.

View Memory: Press MEMORY button. Display shows average of last 3 readings.
Scroll: Press USER 1 or USER 2 to scroll through individual stored readings for that user.
Delete All: Press and hold MEMORY and START/STOP together for 3 seconds to delete all readings for the selected user.
Memory Full: When memory is full (99 readings), the oldest reading is automatically overwritten.

Tip: Use the memory function to track your blood pressure trend over time for doctor visits.

Care & Maintenance

Unpower the device (remove batteries) before cleaning.

Cleaning: Wipe monitor and cuff with a soft, slightly damp cloth. Do not immerse in water or use solvents.
Storage: Store in the provided case in a cool, dry place away from direct sunlight and extreme temperatures.
Cuff Care: Do not fold the cuff tightly or crease the air tube. Do not wash the cuff.
Batteries: Replace all 4 batteries when low battery icon appears. Use alkaline batteries only. Remove batteries if device will not be used for an extended period.

CAUTION! Do not attempt to disassemble or repair the device. There are no user-serviceable parts inside.

Specifications

Measurement Method: Oscillometric
Measurement Range: Pressure: 0-299 mmHg, Pulse: 40-199 beats/min
Accuracy: Pressure: ±3 mmHg, Pulse: ±5% of reading
Cuff Size: 22-42 cm (8.7-16.5 in) circumference
Memory: 2 users x 99 readings
Power Supply: 4 x 1.5V AA batteries (DC 6V) or optional AC adapter (specified model)
Auto Shut-off: Approx. 1 minute after last operation
Operating Conditions: 10°C to 40°C (50°F to 104°F), 15% to 90% RH (non-condensing)
Dimensions (Unit): Approx. 128mm (W) x 105mm (H) x 62mm (D)
Weight (Unit only): Approx. 300g (without batteries)

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display	Batteries empty/incorrect	Replace all 4 batteries with new alkaline batteries.
Error Code "E" appears	Cuff not attached/leaking	Check cuff connection. Ensure cuff is not twisted or damaged.
Error Code "Err"	Measurement error	Remain still and retry. Ensure cuff is at heart level.
Inconsistent readings	Incorrect posture/cuff position	Follow measurement steps precisely. Wait 5 min between readings.
Cuff does not inflate	Blocked tube/low batteries	Check tube for kinks. Replace batteries.
Memory not working	Wrong user selected/memory full	Select correct USER button. Delete old readings if needed.

Reset: Remove batteries for 1 minute to perform a full reset.

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