Garmin Fenix 5 Sapphire Edition Owner's Manual

NOTE: The heart rate sensor is located on the back of the 

device.

• See 

 for more 

information about wrist-based heart rate.

• For more information about the accuracy of wrist-based heart 

.

If the heart rate data is erratic or does not appear, you can try 

these tips.
• Clean and dry your arm before putting on the device.
• Avoid wearing sunscreen, lotion, and insect repellent under 

the device.

• Avoid scratching the heart rate sensor on the back of the 

device.

• Wear the device above your wrist bone. The device should 

be snug but comfortable.

• Wait until the   icon is solid before starting your activity.
• Warm up for 5 to 10 minutes and get a heart rate reading 

before starting your activity.
NOTE: In cold environments, warm up indoors.

• Rinse the device with fresh water after each workout.
• While exercising, use a silicone band.

The widget displays your current heart rate in beats per minute 

(bpm), your resting heart rate for today, and a graph of your 

heart rate for the last 4 hours.

From the watch face, select DOWN.

Select   to view your average resting heart rate values for 

the last 7 days.

You can broadcast your heart rate data from your fēnix 5/5S 

device and view it on paired Garmin devices. For example, you 

can broadcast your heart rate data to an Edge

®

 device while 

cycling, or to a VIRB

®

 action camera during an activity.

NOTE: Broadcasting heart rate data decreases battery life.

From the heart rate widget, hold MENU.

Select Options.

Select an option:
• Select Broadcast Heart Rate to start broadcasting heart 

rate data now.

• Select Broadcast During Activity to broadcast heart rate 

during timed activities (

).

The fēnix 5/5S device starts broadcasting your heart rate 

data, and 

 appears.

NOTE: You can view only the heart rate widget while 

broadcasting heart rate data.

Pair your fēnix 5/5S device with your Garmin ANT+ 

compatible device.
NOTE: The pairing instructions differ for each Garmin 

compatible device. See your owner's manual.
TIP: To stop broadcasting your heart rate data, select any 

key, and select Yes.

The default value for the Wrist Heart Rate setting is Auto. The 

device automatically uses the wrist-based heart rate monitor 

unless you pair an ANT+ heart rate monitor to the device.

From the heart rate widget, hold MENU.

Select Options > Status > Off.

You should wear the heart rate monitor directly on your skin, just 

below your sternum. It should be snug enough to stay in place 

during your activity.

If necessary, attach the strap extender to the heart rate 

monitor.

Wet the electrodes 

À

 on the back of the heart rate monitor to 

create a strong connection between your chest and the 

transmitter.

Wear the heart rate monitor with the Garmin logo facing right-

side up.

The loop 

Á

 and hook 

Â

 connection should be on your right 

side.

Wrap the heart rate monitor around your chest, and connect 

the strap hook to the loop.
NOTE: Make sure the care tag does not fold over.

After you put on the heart rate monitor, it is active and sending 

data.

Hand wash the heart rate monitor after exposure to chlorine or 

other pool chemicals. Prolonged exposure to these substances 

can damage the heart rate monitor.
The HRM-Tri accessory is designed primarily for open water 

swimming, but it can be used occasionally for pool swimming. 

The heart rate monitor should be worn under a swim suit or 

triathlon top during pool swimming. Otherwise, it may slide down 

your chest when pushing off the pool wall.

NOTE: Wrist-based heart rate is not available while swimming.
The HRM-Tri accessory and the HRM-Swim accessory record 

and store your heart rate data while swimming. Heart rate data 

Heart Rate Features

5