Omron Blood Pressure Model BP742N Manual

The Omron BP742N is a fully automatic upper arm blood pressure monitor with IntelliSense technology for accurate and comfortable readings. It features a large, easy-to-read display, hypertension indicator, irregular heartbeat detector, 60-memory storage with date and time, and a wide-range D-Ring cuff (22-42 cm). Below are key sections for safety, features, setup, operation, 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 Your Readings 8. Care & Maintenance 9. Error Messages 10. Specifications 11. Troubleshooting

Features at a Glance

Key components: Main unit, D-Ring Cuff, AC Adapter, Instruction Manual, Storage Case.

Feature	Description
IntelliSense Technology	Automatically inflates to the optimal level for comfortable measurement
Hypertension Indicator	Displays warning symbol if systolic/diastolic readings are high
Irregular Heartbeat Detector	Detects pulse irregularities during measurement
60-Memory Storage	Stores readings with date and time for two users (30 each)
Large LCD Display	Easy-to-read backlit screen with clear icons
D-Ring Cuff (22-42 cm)	Wide-range cuff for a proper fit on most arms
One-Touch Operation	Simple START/STOP button for easy use
AC Adapter/Battery Operation	Powered by 4 AA batteries or included AC adapter
Average Reading	Calculates the average of the last 3 readings taken within 10 minutes
Automatic Power Off	Conserves battery life by turning off after 1 minute of inactivity

Safety Information

Read all instructions before use.

Do not use on infants, children, or persons who cannot express themselves.
Do not use during or immediately after physical exercise or bathing.
Do not wrap cuff over clothing. Apply directly to bare skin.
Consult your physician for interpretation of readings and diagnosis.

WARNING! This device is not intended to treat or diagnose medical conditions. Use only as directed.

Parts Identification

Front: LCD Display, START/STOP Button, Memory Button, User Select Button (1/2). Rear: Battery Compartment, AC Adapter Jack. Cuff: D-Ring, Air Tube, Metal Hook.

Initial Setup

Insert batteries or connect AC adapter. Set date and time.

Insert Batteries: Open compartment, insert 4 AA batteries matching polarity.
Connect AC Adapter: Plug into unit and wall outlet (for home use).
Set Date/Time: Press and hold Memory button for 3 seconds, use START/STOP to adjust.
Select User: Press User button to choose User 1 or User 2 for memory storage.

CAUTION! Use only specified AC adapter. Do not mix old and new batteries.

Taking a Measurement

For accurate readings, sit quietly for 5 minutes before measuring.

Sit comfortably with feet flat, back supported, and arm resting on a table.
Wrap cuff on bare upper arm 1-2 cm above elbow. Align artery marker with brachial artery.
Secure cuff snugly with D-Ring.
Press START/STOP. Unit inflates automatically.
Remain still and quiet until measurement completes and cuff deflates.
Readings display: Systolic, Diastolic, Pulse. Hypertension/Irregular Heartbeat icons if detected.
Press START/STOP to turn off, or unit powers off automatically.

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

Memory Function

Memory Capacity: 60 total readings (30 per user).
View Memory: Press Memory button to scroll through stored readings with date/time.
Average Reading: Automatically calculated from last 3 readings within 10 minutes.
Clear Memory: Press and hold Memory button while in memory mode until "CLR" appears.

Understanding Your Readings

Refer to the blood pressure classification chart (included in manual). Hypertension Indicator: Symbol appears if systolic ≥135 mmHg or diastolic ≥85 mmHg. Irregular Heartbeat Symbol: Appears if irregular rhythm detected during measurement—consult physician if frequent.

Care & Maintenance

Clean with soft, dry cloth. Do not immerse in water or use solvents.

Remove batteries if not using for extended period.
Store in provided case away from extreme temperatures, humidity, and dust.
Inspect cuff periodically for cracks or leaks.

CAUTION! Do not disassemble or attempt repairs. No user-serviceable parts inside.

Error Messages

Display	Meaning	Action
E1	Cuff not properly attached or air leakage	Reattach cuff securely; check tube connections
E2	Excessive movement during measurement	Remain still and retake measurement
E3	Pulse signal too weak or irregular	Reposition cuff; relax and retry
E5	Memory full	Clear memory or overwrite old readings
Lo	Low battery	Replace all batteries or use AC adapter

Specifications

Measurement Method: Oscillometric
Pressure Range: 0-299 mmHg
Pulse Range: 40-180 beats/minute
Accuracy: Pressure: ±3 mmHg; Pulse: ±5% of reading
Cuff Size: 22-42 cm (arm circumference)
Power Supply: 4 x AA batteries or DC 6V adapter
Operating Conditions: 10°C to 40°C, 15% to 85% RH
Storage Capacity: 60 readings with date/time
Dimensions: Approx. 123mm (W) x 85mm (H) x 141mm (D)
Weight: Approx. 350g (without batteries)

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display	Dead batteries, improper insertion	Replace batteries; ensure correct polarity.
Inaccurate reading	Improper cuff placement, movement	Reposition cuff correctly; remain still during measurement.
Cuff does not inflate	Air leak, tube blockage	Check cuff and tube for damage; secure connections.
Error code displayed	See Error Messages section	Refer to section 10 for specific error resolution.
Memory not storing	Memory full, user not selected	Clear memory; select User 1 or 2 before measuring.

Reset: Remove batteries and AC adapter for 1 minute to reset unit.

Service: For service, contact Omron Healthcare at 1-800-634-4350 or visit www.omronhealthcare.com.