No pulse display
+
Sources of interference in
the room
+
unsuitable chest strap
+
Wrong position of chest
strap
+
Chest strap defective or
battery empty
+
Pulse display defective
+
Eliminate sources of interference (e.g.
mobile phone, WLAN, lawn mower
and vacuum cleaner robot, etc. ...)
+
Use a suitable chest strap (see
RECOMMENDED ACCESSORIES).
+
Reposition
chest
moisten electrodes
+
Changing batteries
+
Check if pulse display by hand pulse
possible
strap
and/or
35
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