User's Manual

User Manual for Fingertip Oximeter
19
Can not turn
on
the device
1. The batteries
are drained or
almost drained.
2. The batteries
are not inserted
properly.
3. The device is
malfunctioning.
1. Change
batteries.
2. Reinstall
batteries.
3. Please contact
the local service
center.
No display
1. The device will
power off
automatically
when it gets no
signal for 8
seconds.
2. The batteries
are almost
drained.
1. Normal.
2. Change
batteries.
No display
of the
wireless
icon “ ”
Hardware failure
of wireless
transmission
function.
Please contact the
local service
center.