Garmin Approach S4 Quick Start Manual page 22

have the proper gear and supplies for your
activity before navigating along unfamiliar
paths and trails.
Health Warnings
• 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.
• The device, the heart rate monitor, and other
Garmin accessories are consumer devices,
not medical devices, and could suffer from
interference from external electrical sources.
The heart rate readings are for reference
only, and no responsibility is accepted for the
consequences of any erroneous readings.
Battery Warnings
If these guidelines are not followed, the
internal lithium-ion battery may experience
a shortened life span or may present a risk
of damage to the GPS device, fire, chemical
burn, electrolyte leak, and/or injury.
• Do not leave the device exposed to a heat
source or in a high-temperature location,
such as in the sun in an unattended vehicle.
To prevent damage, remove the device from
the vehicle or store it out of direct sunlight,
such as in the glove box.
• Do not disassemble, modify, remanufacture,
puncture or damage the device.
• Do not immerse or expose the device to
water or other liquids, fire, explosion, or
other hazard.
• When storing the device for an extended
time period, store within the temperature
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