11!
=%".&34566&
Place!FB422!around!your!wrist.!If!you!need!to!attach!a!different!size!band,!or!if!you!purchased!
another!band,!see!the!instructions!in!"Change!the!band"!on!page!12.!!
;8#3*<*)$'=,/'#88>9#1'7*#/'?&@'*-*/3(&*'
When!you're!not!exercising,!wear!FB422!a!finger's!width!above!your!wrist!bone.!
For!optimized!heart-rate!tracking!while!exercising:!
• During!a!workout,!experiment!with!wearing!your!tracker!higher!on!your!wrist!(2!finger!
widths)!for!an!improved!fit.!Many!exercises,!such!as!bike!riding!or!weight!lifting,!cause!you!to!
bend!your!wrist!frequently,!which!could!interfere!with!the!heart-rate!signal!if!the!tracker!is!
lower!on!your!wrist.!
• Wear!your!tracker!on!top!of!your!wrist,!and!make!sure!the!back!of!the!device!is!in!contact!
with!your!skin.!
• Consider!tightening!your!band!before!a!workout!and!loosening!it!when!you’re!done.!The!
band!should!be!snug!but!not!constricting!(a!tight!band!restricts!blood!flow,!potentially!
affecting!the!heart-rate!signal).!
A#)9*9)*&&'
For!greater!accuracy,!you!must!specify!whether!you!wear!FB422!on!your!dominant!or!non-
dominant!hand.!Your!dominant!hand!is!the!one!you!use!for!writing!and!eating.!To!start,!the!Wrist!
setting!is!set!to!non-dominant.!If!you!wear!FB422!on!your!dominant!hand,!change!the!Wrist!setting!
in!the!Fitbit!app:!
From!the!Today!tab! !in!the!Fitbit!app,!tap!your!profile!picture!>!FB422!tile!>!C0>,+&
V&S'@>*"*+.!
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