Fetal Doppler i100, Руководство по эксплуатации

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4.3 Controlling Keys
4.3.1 The volume button
When the instrument is turned on or at work, if the sound is too small, the volume
control will rotate downward, increasing the volume.
When the instrument is turned on or at work, the volume is rotated upward and the
volume is reduced if the sound is too loud.
4.3.2 The switch machine key
Boot Press the switch machine key Boot
，
Press the switch again and off for three
seconds To turn it off.
4.3.3 menu Keys
When the instrument is working, click the menu button to switch the work
mode, or switch the menu item up or down.
4.4 Indicator light
4.4.1Charge indicator
When the battery is charged, the light is indicated. When the battery is full, the
indicator is green.
4.4.2 Working indicator light
When the instrument is turned on, the indicator is blue.
3.5 probes
3.5.1 The basic frequency of the probe is 2.0MHz and 3MHz optional.
3.5.2 Probes key is a counter. When you feel fetal movement, press it once. The
value on the screen will be accumulated once. The counting time will be displayed in
the lower right corner of the screen. The counting time shall not exceed one hour.
After 10 seconds of fetal movement display, the main frequency displays the fetal
heart rate.
4 Battery capacity
5 There is no fetal heart rate or no fetal heart signal
6 Alarm on/off
7 Voice volume
8 FM Number of fetal movements
9
Bluetooth at work