DARAY V409, Руководство пользователя, Страница: 5 / 17

5
CAUTION
 The device is a commonly sealed device. Keep its surface dry and clean, and prevent
any liquid from infiltrating it.
 The device is precision and fragile. Avoid pressure, knock, strong vibration or other
mechanical damage. Hold it carefully and lightly. If it is not in use, it should be
appropriately placed.
 Don't use mobile phones around when the device is in operation. Mobile phones may
emit electromagnetic radiation which is capable of interfering with the proper
performance of the device. NOTE
 Important! Before use, carefully read this manual, all safety information and
specifications.
3. Introduction
The device is a non-invasive fingertip pulse oximeter. It operates only on common 1.5V AAA
alkaline or rechargeable battery power. It is compact, tiny, light, low power consumption,
and easy for learning and handling. It is suitable for monitoring adult and paediatric
patients. It is widely used in the hospital's operation room, ICU, clinic section office, out-
patient department, sickroom, emergency treatment, and in the process of transporting
patients. It can also be used in the recovery and health care organizations, the community
medical treatments, the oxygen bars, the family nursing, the physical care in sports (you
can use the device before or after the sport, but it is not recommended to use it during the
sport) and so on.
The device has the following functions:
 Measuring: The device measures arterial oxygen saturation (SpO2), pulse rate (PR) and
pulse strength through its sensor and displays them on the OLED screen.

Prompting: Indication of remaining battery capacity and low battery power.

Power saving: Automatic shutdown when no monitoring for 8 seconds.