User's Manual

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Chapter 01 Instructions for Use
1.Turn on/off
Manual Turn on: When the device is off, press the power button, OLED display will be activated, which indicates the
device is on, and will enter the home interface.
Manual Turn off: When the device is on, press the power button for two seconds, OLED display will shut off, which
indicates the device is off.
2.Monitor battery information
The battery information is displayed by the OLED frame, it is black if the battery is full, the blank in the battery grid
indicates that there is no electricity, it needs to be charged in time. smartho-D2 electronic stethoscope use the
rechargeable lithium battery, which can be continuous used for more than 48 hours after each full charge, when
charging, place the device on the base, plug in the USB cable, plug the 5V adapter on the other end or directly plug into
the computer USB interface, the device will jump to the charging interface.
3.Battery charging
When charging, place the device on the base. Then plug one end of the charging cable into the charging hole and the
other end to connect to an external electronic device for charging, when the device will switch over to the charging
interface.
When full charged, the charging interface will be off and the device enters into the shutdown status.
When the battery is used up or the battery grid is blank or 0%, the stethoscope can’t work, please charge in time. Keep
the equipment dry and clean when charging to prevent electric shock.
510(K) Response to Deficiency on K191667-S001
006_User Manual
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