LD-71 - Blood pressure monitor Little Doctor - Free user manual and instructions
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| Product Type | Automatic Upper Arm Blood Pressure Monitor |
| Model | LD-71 |
| Brand | Little Doctor |
| Measurement Method | Oscillometric |
| Display | Large LCD Screen |
| Memory Capacity | 120 readings with date and time |
| Blood Pressure Range | Systolic: 60-260 mmHg; Diastolic: 40-200 mmHg |
| Pulse Range | 40-199 beats per minute |
| Accuracy | Blood pressure: ±3 mmHg; Pulse: ±5% |
| Arm Circumference | 22-36 cm (standard cuff included) |
| Power Source | 4 AA batteries (included) or AC adapter (optional) |
| Battery Life | Approximately 250 measurements |
| Auto Shut-off | Yes, after 1 minute of inactivity |
| Features | Irregular heartbeat detection, WHO blood pressure classification indicator, average of last 3 readings |
| Dimensions | 120 mm x 100 mm x 60 mm (monitor) |
| Weight | Approximately 250 g (without batteries) |
| Cuff Material | Nylon |
| Cleaning | Wipe with a dry soft cloth; do not use water or solvents |
| Storage Conditions | Temperature: 0°C to 55°C; Humidity: <85% |
| Operating Conditions | Temperature: 10°C to 40°C; Humidity: <85% |
| Warranty | 2 years limited warranty |
| Certifications | CE, ISO 13485 |
| Included Accessories | Cuff, 4 AA batteries, user manual, storage case |
Frequently Asked Questions - LD-71 Little Doctor
How do I set the date and time on the LD-71?
Press and hold the SET button for 3 seconds until the year flashes. Use MEM to adjust and SET to confirm. Repeat for month, day, hour, and minute.
What should I do if the cuff won't inflate?
Ensure the cuff is properly connected to the monitor and the batteries are inserted correctly. Check that the cuff is not twisted. If the issue persists, replace the batteries.
How do I interpret the irregular heartbeat symbol?
The irregular heartbeat symbol IHS appears if an irregularity is detected during measurement. It is not a diagnosis; consult your doctor if it appears frequently.
Can I use the monitor on both arms?
Yes, but always use the same arm for consistency. The left arm is usually recommended for more accurate readings.
How do I clean the cuff?
Wipe the cuff with a damp cloth and mild soap. Do not immerse in water or use chemical cleaners. Air dry thoroughly before next use.
What is the average of the last 3 readings feature?
The monitor automatically calculates and displays the average of the last 3 stored readings. This helps provide a more reliable blood pressure trend.
Why does the monitor show 'Err'?
'Err' indicates a measurement error. Common causes: movement during measurement, loose cuff, or low battery. Repeat the measurement following the instructions.
How do I switch between mmHg and kPa?
The LD-71 measures in mmHg only. No unit switching is available. Most clinical guidelines use mmHg.
Can I use rechargeable batteries?
Yes, but ensure they are fully charged. Use NiMH rechargeable batteries. Performance may vary compared to alkaline batteries.
What is the warranty period?
The Little Doctor LD-71 comes with a 2-year limited warranty against defects in materials and workmanship. Retain your proof of purchase.
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