SD3 Series Ultrasonic Pocket Doppler User Manual Basic Operation
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Replace it with a new probe:
Put the USB socket of new probe into the probe interface of the Doppler.
NOTE:
Place the temporarily unused probe carefully and avoid falling off, splash or stress, etc.
When the Doppler is not used for a long time, it
’s recommended to connect the probe to
the Doppler and keep them safely in the package.
3.4 Switching On
Press the
POWER
button on the front panel to switch on the Doppler, the OLED displays
.
If the probe is not connected or poorly connected, the OLED displays
. You should
reconnect the probe properly.
When the probe is well connected, the OLED shows the probe frequency
.
3.5 Switching Off
Press the
POWER
button on the front panel to switch off the Doppler.
For
SD3
,
SD3 PRO
and
SD3 PLUS
, it switches off automatically if there is no input signal or no
operation is performed for 60 seconds.
For
SD3 PRO
and
SD3 PLUS
, it switches off automatically if the probe is replaced in the probe
holder.
3.6 Replacing/Charging the Battery
3.6.1 Battery Energy Indication
After switched on, the Doppler gives indication of battery energy.
For SD3 PRO, SD3 and SD3 PLUS, there is a battery symbol in the up right corner of OLED.
The panes in it indicate the battery electric energy.
The panes disappear gradually with the energy consumption. When the energy is low, the empty
