Garmin Fenix5x Owner's Manual - Page 12

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is not visible on compatible fēnix devices while the heart rate

monitor is underwater.

You must start a timed activity on your paired fēnix device to

view stored heart rate data later. During rest intervals when out

of the water, the heart rate monitor sends your heart rate data to

your fēnix device.

Your fēnix device automatically downloads stored heart rate

data when you save your timed swim activity. Your heart rate

monitor must be out of the water, active, and within range of the

device (3 m) while data is downloaded. You can review your

heart rate data in the device history and on your Garmin

Connect account.

Data Storage

The heart rate monitor can store up to 20 hours of data in a

single activity. When the heart rate monitor memory is full, your

oldest data is overwritten.

You can start a timed activity on your paired fēnix device, and

the heart rate monitor records your heart rate data even if you

move away from your device. For example, you can record heart

rate data during fitness activities or team sports where watches

cannot be worn. Your heart rate monitor automatically sends

your stored heart rate data to your fēnix device when you save

your activity. Your heart rate monitor must be active and within

range (3 m) of the device while data is uploaded.

Tips for Erratic Heart Rate Data

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

these tips.

• Reapply water to the electrodes and contact patches (if

applicable).

• Tighten the strap on your chest.

• Warm up for 5 to 10 minutes.

• Follow the care instructions

Monitor, page

6).

• Wear a cotton shirt or thoroughly wet both sides of the strap.

Synthetic fabrics that rub or flap against the heart rate

monitor can create static electricity that interferes with heart

rate signals.

• Move away from sources that can interfere with your heart

rate monitor.

Sources of interference may include strong electromagnetic

fields, some 2.4 GHz wireless sensors, high-voltage power

lines, electric motors, ovens, microwave ovens, 2.4 GHz

cordless phones, and wireless LAN access points.

Caring for the Heart Rate Monitor

A buildup of sweat and salt on the strap can decrease the ability

of the heart rate monitor to report accurate data.

• Rinse the heart rate monitor after every use.

• Hand wash the heart rate monitor after every seven uses or

one pool swim, using a tiny amount of mild detergent, such

as dishwashing liquid.

NOTE: Using too much detergent may damage the heart rate

monitor.

• Do not put the heart rate monitor in a washing machine or

dryer.

Color Gauges and Running Dynamics Data

The running dynamics screens display a color gauge for the primary metric. You can display cadence, vertical oscillation, ground

contact time, ground contact time balance, or vertical ratio as the primary metric. The color gauge shows you how your running

dynamics data compare to those of other runners. The color zones are based on percentiles.

Garmin has researched many runners of all different levels. The data values in the red or orange zones are typical for less

experienced or slower runners. The data values in the green, blue, or purple zones are typical for more experienced or faster

runners. More experienced runners tend to exhibit shorter ground contact times, lower vertical oscillation, lower vertical ratio, and

(Caring for the Heart Rate

NOTICE

• When drying the heart rate monitor, hang it up or lay it flat.

Running Dynamics

You can use your compatible fēnix device paired with the

HRM-Tri accessory or other running dynamics accessory to

provide real-time feedback about your running form. If your fēnix

device was packaged with the HRM-Tri accessory, the devices

are already paired.

The running dynamics accessory has an accelerometer that

measures torso movement in order to calculate six running

metrics.

Cadence: Cadence is the number of steps per minute. It

displays the total steps (right and left combined).

Vertical oscillation: Vertical oscillation is your bounce while

running. It displays the vertical motion of your torso,

measured in centimeters.

Ground contact time: Ground contact time is the amount of

time in each step that you spend on the ground while

running. It is measured in milliseconds.

NOTE: Ground contact time and balance are not available

while walking.

Ground contact time balance: Ground contact time balance

displays the left/right balance of your ground contact time

while running. It displays a percentage. For example, 53.2

with an arrow pointing left or right.

Stride length: Stride length is the length of your stride from one

footfall to the next. It is measured in meters.

Vertical ratio: Vertical ratio is the ratio of vertical oscillation to

stride length. It displays a percentage. A lower number

typically indicates better running form.

Training with Running Dynamics

Before you can view running dynamics, you must put on a

running dynamics accessory, such as the HRM-Tri accessory,

and pair it with your device

If your fēnix 5/5S was packaged with the accessory, the devices

are already paired, and the fēnix 5/5S is set to display running

dynamics data screens.

Select an option:

• If your running dynamics accessory and fēnix 5/5S device

are already paired, skip to step 7.

• If your running dynamics accessory and fēnix 5/5S device

are not already paired, complete all the steps in this

procedure.

Hold MENU.

Select Settings > Activities & Apps.

Select an activity.

Select the activity settings.

Select Data Screens > Add New.

Select a running dynamics data screen.

NOTE: The running dynamics screens are not available for

all activities.

Go for a run

(Starting an Activity, page

Select UP or DOWN to open a running dynamics screen to

view your metrics.

(Pairing ANT+ Sensors, page

2).

Heart Rate Features

24).