- 7 -
Fig.2-4
2.3 Power Supply
2.3.1 Powered by batteries
2.3.2 Charging batteries through adapter
Batteries Installation :
1) Open the battery cover: Rotate the
fi
xing screw slightly
in the rear panel to the position which is marked with “ ”
and then push the cover as indicated by arrowhead, as
shown in Fig.2-4.
2) Install 3 AA batteries lightly as indicated by the polarity
signs in battery compartment.
Note:
Make sure the polarities of the batteries are correct.
3) Close battery housing cover
Close the battery housing cover and rotate the screw to the
position which is marked with . And the batteries are locked.
Battery life and replacement
There are
fi
ve statuses of the indicator: the centre with 4 bars(full), 3 bars, 2 bars, 1 bar, and
empty with the frame in red. That the frame of indicator become red means little of battery
capacity remains. You should replace the batteries with new ones in time. Or else, the
indicator displays with a red frame constantly until battery capacity reaches critical condition
(the battery voltage is 3.5V±0.1V) at which time the unit shuts down.
Cautions:
●
Be sure to install batteries with correct polarities.
●
Only the approved batteries are recommended to be used.
●
Do not use batteries not speci
fi
ed for this unit.
●
Do not dispose of batteries in
fi
re.
●
If battery
fl
uid gets on your skin or clothing, rinse with plenty of clean water immediately.
●
Remove the batteries from this unit when you are not going to use it for a long period of
time (approximately one month).
●
Do not use batteries of different types together.
●
Do not use new and used batteries together.
●
Dispose of batteries in accordance with the local ordinances and regulations.
To charge, please ensure the installed batteries are Ni-MH ones. Connect the adapter
with the pulse oximeter and the wall outlet, and then press and hold the power switch for 3
seconds to power the device on.
A prompt window appears enquiring you “Are the batteries Ni-MH ones?”. Select “Yes” to
charge them by wall outlet or “No” to abandon charge.
Warning!
Do not use any other AC adapter that not speci
fi
ed by our company.
Note:
Please charge over 8 hours at the fi rst time, or may reduce the battery life
.
INSTRUCTION MANUAL
