Garmin 305 Owner's Manual

A

PPENDIX

serious injury.
When navigating, carefully compare 

information displayed on the 

Forerunner to all available navigation 

sources, including information 

from visual sightings and maps. 

For safety, always resolve any 

discrepancies or questions before 

continuing navigation.
The Forerunner contains a non-user 

replaceable, rechargeable lithium-

ion battery. The heart rate monitor 

contains a replaceable CR2032 

battery. The battery may present 

a risk of fire or chemical burn if 

mistreated.

•  Do not recharge out of the unit, 

disassemble, heat above 140°F 

(60°C), or incinerate. 

•  Keep used battery away from 

children.

•  Dispose of used battery or unit 

properly. Contact your local 

waste disposal department for 

information on properly disposing 

of lithium-ion batteries.

The Forerunner has no user-

serviceable parts. Should you ever 

encounter a problem with your 

unit, please take it to an authorized 

Garmin dealer for repairs.
Always consult your physician before 

beginning or modifying any exercise 

program. If you have a pacemaker 

or other implanted electronic device, 

consult your physician before using 

a heart rate monitor.