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SONOTRAX Series Ultrasonic Pocket Doppler User Manual
For SONOTRAX II and SONOTRAX II Pro Doppler, insert the plug of the lithium-ion
polymer battery into the battery socket and put them into the compartment with the wires
inward.
3. Slide the compartment cover back to close the compartment.
CAUTION
: Take out the battery and keep it in cool and dry environment if the
Doppler will not be used for a long time.
CAUTION
: For the lithium-ion polymer battery, charge it in the machine with the
special charge when its power is low. Do not charge it with other
charges or remove it frequently.
4.3 Probe Operation
(1) Taking out Probe
Hold the Doppler main unit with one hand, and hold the top of the probe with another hand
(Figure 4-2). First take out the top of the probe (Figure 4-3). Then take out the whole probe
from the probe frame (Figure 4-4).
(2) Placing Probe
Follow the opposite steps to take out the probe.
Hold the main unit with one hand, and hold the top of the probe with another hand (Figure
4-4). Place the probe from the middle of the unit (at the right) into the probe holder (Figure
4-3), then push the top of the probe (Figure 4-2).
Figure 4-2
Figure 4-3
(3) Removing and Connecting a Probe
One probe has been connected to SONOTRAX Series ultrasonic pocket Doppler while
packed by the manufacturer. If the user needs to replace it with another probe, take out the
probe first; then pull out the plug of the probe from its socket (figure 4-5). Connect the plug
of another probe to the socket and then the probe can be used.
Figure 4-4
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SONOTRAX Series Ultrasonic Pocket Doppler User Manual
Figure 4-5 Remove the Probe
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.
4.4 Turn on the Doppler
Press the POWER button on front panel to turn on the Doppler.
4.5 Modes Setting
SONOTRAX Basic, SONOTRAX Basic A, SONOTRAX Pro, SONOTRAX II and
SONOTRAX II Pro Dopplers have a number of mode options. Press the MODE button to
switch to the next mode.
If the SONOTRAX Basic/ SONOTRAX Basic A/ SONOTRAX Pro/ SONOTRAX II/
SONOTRAX II Pro Doppler worked on Mode1/ Mode 2/ Mode 3 last time before shutdown,
after self-testing, the Doppler will enter the same mode automatically. If its last mode is Mode
4/ Mode 5, it will enter Mode 1 after self-testing.
4.5.1 Real-time FHR Display Mode (Mode 1)
When the Doppler works on this mode, the Working Mode on LCD displays 1.
As soon as a fetal heart signal is detected, the heart shape on LCD flashes, the FHR display
area displays the real-time FHR value.
4.5.2 Averaged FHR Display Mode (Mode 2)
When the Doppler works on this mode, the Working Mode on LCD displays 2.
The heart shape on LCD flashes when fetal heart signal is detected, the FHR value indicates
the average value of 8 beats, which changes slowly.
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