DARAY V409, Руководство пользователя, Страница: 6 / 17

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4. Appearance and display
Figure 4.1 Front panel
Table 4-1 Description of appearance and display
No. Description
Remarks
1 Power and rotation button Press this button to power on the device. After 6
seconds, press the button for 3 seconds to change the
direction of display. Wait 6 seconds between each
change as the device may not respond. Direction
changes may not respond if the battery is low.
2 Colour OLED screen Displays SpO2, pulse rate, pulse bar graph and
waveform.
3 SpO2 waveform
4 Pulse bar graph Has 6 levels. Indicates the pulse strength of SpO2
measurement.
5 Clip press symbol Press here to open clip.
6 Low battery power indicator Prompts that the batteries need to be replaced with
new ones, otherwise the device will soon shut down.
7 PR measurement Displays pulse rate value and is refreshed every
pulse. Unit is BPM.
8 SpO2 measurement Displays SpO2 value and is refreshed every pulse. Its
unit is %.
9 Lanyard hole Insert the lanyard here.
10 Battery compartment Press/push here to open battery compartment.
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4
8
1
7
5
9
2
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