Omron HJ-320 Pedometer Manual

The Omron HJ-320 is a pocket pedometer designed to accurately count steps, calculate calories burned, and measure distance walked. It features a dual-axis sensor for enhanced accuracy, 7-day memory, large display, clock function, and automatic reset at midnight. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Getting Started 3. Initial Setup 4. Specifications 5. Controls and Display 6. Daily Operation 7. Memory & Data Review 8. Battery Replacement 9. Care & Maintenance 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Main unit with dual-axis sensor, belt clip, battery, and instruction manual.

Feature	Description
Step Counter	Accurately counts steps using dual-axis sensor technology
Calorie Calculation	Estimates calories burned based on steps and user weight
Distance Measurement	Calculates distance walked using user-stride length
7-Day Memory	Stores daily step counts for one week
Automatic Reset	Resets step count at midnight automatically
Clock Function	Displays current time (12/24 hour format)
Large LCD Display	Easy-to-read screen with backlight (if applicable)
Battery Indicator	Shows remaining battery life
Belt Clip	Securely attaches to waistband or pocket
Reset Button	Manually resets step count and other data

Getting Started

Unpack and inspect contents. Ensure all components are present.

Remove battery insulator: Open battery compartment and remove plastic tab.
Set time: Press MODE and SET buttons to configure current time.
Attach clip: Secure pedometer to waistband using included clip.
Positioning: Wear vertically on waistband, centered for best accuracy.

WARNING! Keep away from small children to prevent swallowing of battery or small parts. Avoid dropping the unit.

Initial Setup

Power on pedometer; follow display prompts.

Set user data: Enter weight and stride length using SET button.
Configure time: Choose 12-hour or 24-hour format.
Test accuracy: Walk 20 steps to verify step count accuracy.
Reset if needed: Press RESET to clear previous data.

CAUTION! Ensure battery is installed correctly (+/- orientation). Do not expose to extreme temperatures.

Specifications

Model: HJ-320 Pocket Pedometer.
Sensor Type: Dual-axis accelerometer.
Measurement: Steps, distance (miles/km), calories (kcal).
Memory: 7-day storage of daily steps.
Display: LCD with optional backlight.
Clock: 12/24 hour format.
Battery: CR2032 lithium cell (included).
Battery Life: Approximately 6 months with typical use.
Operating Temp: 32°F to 104°F (0°C to 40°C).
Dimensions: Compact pocket-sized unit.

Controls and Display

Access functions via MODE and SET buttons. Display shows: steps, distance, calories, time, battery.

Buttons: MODE (cycle through displays), SET (enter/set values), RESET (clear data).

Display Modes: Step count, Distance walked, Calories burned, Clock, Memory recall. Settings: Weight (in lbs/kg), Stride length (in cm/inches), Time format. Automatic features: Midnight reset, 7-day memory storage.

Daily Operation

Wear on waistband; walk normally.

Attach: Clip to waistband, centered on body.
Walk: Pedometer counts steps automatically.
Check data: Press MODE to view steps, distance, calories.
Review: At day's end, note total steps before automatic midnight reset.

Tip: For accurate counting, ensure pedometer is vertical and secure. Avoid excessive shaking.

Memory & Data Review

Stores daily steps for past 7 days.

Access memory: Press MODE until memory icon appears.
Scroll days: Use SET to view previous days' step counts.
Reset memory: Hold RESET for 3 seconds to clear all memory.
Track progress: Compare daily totals to goals.

WARNING! Resetting memory erases all stored data permanently. Confirm before resetting.

Battery Replacement

Replace CR2032 battery when indicator shows low.

Open compartment: Use coin to turn battery cover.
Remove old battery: Note orientation.
Insert new battery: Positive side facing up.
Replace cover: Secure tightly.
Reset settings: Re-enter time and user data if needed.

CAUTION! Dispose of old battery properly. Do not short-circuit terminals.

Care & Maintenance

Clean with dry cloth only; avoid water and chemicals.

CAUTION! Do not immerse in water. Keep away from magnets and electronic interference.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No display	Dead battery	Replace CR2032 battery.
Inaccurate step count	Incorrect positioning	Wear vertically on waistband, centered.
Display dim	Low battery	Replace battery.
Memory not showing	Reset accidentally	Check if RESET was pressed; data cannot be recovered.
Time incorrect	Settings lost	Re-enter time using SET button.

Reset: Press RESET to clear current day's data.

Service: 1-800-634-4350; www.omronhealthcare.com