SD5/SD6 Ultrasonic TableTop Doppler User Manual Introduction
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Function: Switch on/off the main unit or switch on the probe. Note that if the probe fails to
connect the main unit in two minutes, it will power off automatically.
(2) Up Key / Record/Play Control Key
Function: Move the cursor upwards to the previous item (in the setting mode).
Recording and playing control (in the real-time examining mode).
(3) Down Key / Print Control Key
Function: Move the cursor downwards to the next item (in the setting mode).
Printing control (reserved).
(4) Setup Key / Confirm Key
Function: Enter setup menu (in the real-time examining mode).
Confirm selection (in the setting mode).
(5) Volume Control Keys
Function: Decrease the FHR volume ( ). Increase the FHR volume ( ).
2.4 Indicators
(1) Main unit indicator
The indicator of the main unit indicates the connection status of the main unit and AC power:
The indicator lights up in green – the AC power is connected.
The indicator flashes in green – the main unit is charging the main unit battery.
The indicator goes off – the AC power is not connected.
(2) Probe indicator
The indicator of the probe indicates the status of the probe:
The indicator lights up in green – the probe is switched on.
The indicator flashes in yellow when the volume control key is pressed – the volume has
been decreased/increased to its minimum/maximum.
For SD6, the indicator lights up continuously in yellow – the probe battery is low; the
indicator flashes in green – the probe battery is being charged.
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