EDAN SONOTRAX Basic User Manual - page 23

SONOTRAX Series Ultrasonic Pocket Doppler User Manual                              Examining 

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WARNING 

DO NOT CHARGE THE ALKALINE BATTERY. 

3.8.3 Charging the NI-MH Batteries 

When the rechargeable NI-MH batteries are low in energy, 

1)  Take the NI-MH batteries out from the main unit by using the procedures described in 

section 3.2 Installing/Replacing Battery. 

2)  Replace them with new batteries with identical specifications, or charge them with the 

provided charger. 

To charge the rechargeable NI-MH batteries, 

1)  Fit the NI-MH batteries in the charger slot properly. Make sure the direction of the 

batteries complies with the polar marks in the slot. 

2)  Plug the charger into an AC power supply socket. During charging, the indicators in the 

charger slot lights up in red. 

3)  When the charging indicators go off, the batteries are fully charged (approximately 10 

hours are needed). Take the batteries out from the charger and reinstall them to the 

Doppler. 

WARNING 

1.  Make sure the batteries are not connected reversely before plugging the charger into 

the power socket. 

2.  The battery charger meets the requirements of Standard IEC60950, and it should be 

placed outside the patient environment when it's working (1.5m away from the 

patient). 

Figure 3-7 Charging NI-MH battery