20
ly moisten both sensors with saliva, water or ECG
gel (available from pharmacies). Contact between
the skin and the chest strap must not be interrupted
when there is significant movement of the ribcage,
such as when taking a deep breath. Chest hair may
interrupt or even prevent contact.
• Put on the chest strap a few minutes before com-
mencing training to allow it to warm to body tempe-
rature and to establish optimum contact.
Switching between coded and uncoded transmis-
sion.
16 coded channels and one uncoded channel are
available. You can switch between the coded chan-
nels by pressing the button on the front of the chest
strap. Pressing the button for 5 seconds automatical-
ly switches the device to the uncoded channel. Pres-
sing the button again switches the device back to the
coded channels.
iPhone:
To see which channel the chest strap is currently
using, select the
“Settings”
menu on your iPhone,
followed by
“Heart Rate settings”, “runtastic Re-
ceiver with Chest Strap”
. If a coded channel is being
used, a number is displayed on the botton side of the
display. If the uncoded channel is being used,
“un-
coded”
is displayed. To switch channels, press the
button on the chest strap as detailed above to chan-
ge the channel and then re-select
“Re-pair”
; your
smartphone will then re-connect to the chest strap on
the new channel.