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When the batteries run down or when the equipment is disconnected from power supply, the original
alarm settings are restored.
During measurement, the pulse oximeter display shows an intermittent scale of 10 leds indicating the
search for beating. As seconds go by, the scale grows longer and becomes stable. When the signal is
good, the search bar should show at least 4 leds.
If the loud speaker is on, the equipment gives out intermittent audio signals. Press Mute pushbutton to
stop the sound and the red led on the display lights up. Press the pushbutton again and the sound starts
up again.
The alarm keeps on sounding for a minute and then it stops.
• Time presetting
Press Select button to see the time light on, and upper number 0 flashing.
Keep pressing UP button to set up current HOURS.
Press Select button to see the lower number 0 flashing.
Keep pressing UP button to set up current MINUTES.
Press DOWN button as ENTER button to confirm the setting.
After presetting of SpO
2
Pulse Rate and Time, you may start to do the memory functions.
• How to use memory recall function
1) Press Select button until the upper figure display SHO with lower flashing NO.
2) By press UP , button to choose between flashing YES or NO figure.
3) Then press DOWN button as ENTER button to choose YES.
4) It will show the data of memory from record #1 with SpO
2
in upper figure and Pulse Rate in lower
figure.
5) Stop the memory by press UP button for one sec, flashing NO will show up.
6) Press DOWN button as ENTER button to finish the memory recall.
7) Then press SELECT button TWICE to go back to the operating status.
Memory recall function is ONLY to be used when the appliance has been continuous
detecting for 2~3 minutes.
• Time resetting
Please use the setting when the time is incorrect.
1) Press Select button UNTIL the upper figure display SHO with lower flashing NO.
2) By press UP button to choose between flashing YES or NO figure.
3) Then press DOWN button as ENTER button to choose NO for time setting.
4) Keep pressing UP button to set up current HOURS.
5) Press Select button to see the lower flashing number.
6) Keep pressing UP button to set up current MINUTES.
7) Press DOWN button as ENTER button to confirm the setting.
8) Then press Select button to go back to operation status.
Switching off
After the measurement has been taken, turn the equipment off by means of ON/OFF pushbutton. A
beep is given out and then the equipment stops.
