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Garmin FORERUNNER 255 Series User Manual

Garmin FORERUNNER 255 Series
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FORERUNNER
®
255 SERIES
Owner’s Manual

Table of Contents

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Garmin FORERUNNER 255 Series Specifications

General IconGeneral
Display Resolution260 x 260 pixels
Display Typesunlight-visible, transflective memory-in-pixel (MIP)
Lens MaterialCorning Gorilla Glass 3
Bezel Materialfiber-reinforced polymer
Case Materialfiber-reinforced polymer
Quick Release Bandsyes (22 mm)
Strap Materialsilicone
Physical Size45.6 x 45.6 x 12.9 mm
Weight49 g
Water Rating5 ATM
ConnectivityBluetooth, ANT+, Wi-Fi
GPSYes
GLONASSYes
GalileoYes
Garmin PayYes
Music StorageUp to 500 songs
NotificationsYes
Display Size1.3" (33.0 mm) diameter
Battery LifeSmartwatch Mode: Up to 14 days, GPS-only GNSS mode: Up to 30 hours
Memory/HistoryUp to 200 hours of activity data
SensorsGarmin Elevate wrist heart rate monitor, Pulse Ox, accelerometer, gyroscope, thermometer, compass
CompatibilityAndroid, iOS
Sports AppsRunning, cycling, swimming, and more
Color OptionsBlack

Summary

Introduction

Setting Up Your Watch

Instructions for initial setup of the Forerunner watch.

Activities and Apps

Starting an Activity

Steps to start a new activity on the watch.

Going for a Run

Steps to start and complete a running activity.

Recording a Strength Training Activity

Recording sets, reps, and weight for strength training.

Recording a HIIT Activity

Recording high-intensity interval training.

Appearance

Customizing the Watch Face

Detailed steps to customize watch face elements.

Performance Measurements

Performance Condition

Real-time assessment of performance during activities.

Getting Your FTP Estimate

Steps to estimate Functional Threshold Power (FTP).

Training

PacePro Training

Using PacePro for custom pace guidance.

Heart Rate Features

Getting Pulse Oximeter Readings

How to manually take a pulse oximeter reading.

Navigation

Navigating to Your Starting Point During an Activity

Returning to the start point using TracBack or Straight Line.

Sensors and Accessories

Pairing Your Wireless Sensors

Detailed steps for pairing wireless sensors.

User Profile

Setting Up Your User Profile

Configuring personal information for accurate data.

Connectivity

Pairing Your Phone

Steps to pair the watch with a smartphone.

Safety and Tracking Features

Incident detection

Automatic incident detection and alerts.

Device Information

Charging the Watch

Instructions for charging the watch via USB.

Troubleshooting

Resetting All Default Settings

Resetting watch settings to factory defaults.

Maximizing Battery Life

Tips and settings to extend battery life.

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