Full Text Searchable PDF User Manual
Heart Rate Monitor
QUICK START GUIDE
This device complies with Part 15 of the FCC Rules.
Operation is subject to the following two conditions: (1) This device may not cause harmful
interference, and (2) this device must accept any interference received, including interfer-
ence that may cause undesirable operation. Any changes or modification of this product, not
approved by the manufacturer will void the user’s authority to operate the equipment.
This device complies with Industry Canada license-exempt RSS standard(s). Operation is
subject to the following two conditions: (1) this device may not cause interference, and (2)
this device must accept any interference, including interference that may cause undesirable
operation of the device.
Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio
exempts de licence.
L’exploitation est autorisée aud deux conditions suivantes: (1) l’appareil ne doit pas produire
de brouillage, et (2) l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique
subi, même si le brouillage est susceptible d’en compromettre le fonctionnement.
ANT+ to BLE Bridging
Get your ANT+ Speed / Cadence, Power Meter or Footpod data
on your Smartphone.
Record your workouts on your Viiiiva without your phone.
Track Your Indoor Workouts
Connect to ANT+ compatible fitness equipment and store
your workout data on your favorite app.
Tap to Pair
Conveniently pair your Viiiiva to your smartphone by simply
tapping them together!
Additional Features & Functions
Download the 4iiii app for iOS or Android and gain some great
Viiiiva features. Learn more at 4iiii.com/support.
Getting Started with Viiiiva
Your Viiiiva is pre-loaded with a CR2032 battery.
Adjust the Strap
Adjust the strap to fit snugly against your body, under your breast-
bone. Clip in the Viiiiva with the logo centered on your body.
Moisten the electrodes on the strap
Viiiiva will turn on automatically when worn and turn off
2 minutes after it’s removed.
Pair your Viiiiva
Pair your Viiiiva by following the instructions on your
head unit, watch, or the 4iiii app.
For the complete experience, download the 4iiii app for iOS or Android.
*Be sure to upgrade your firmware if prompted. We’re always making
improvements and adding new features.
For additional resources and videos, go to: