System Preparation 3-7 
3.4.2  Disconnecting a probe 
1.  Turn the locking lever to the right position to unlock the connector. 
2.  Pull the probe connector straight out as shown in the figure below. 
 
3.5  Connecting the Footswitch 
DO NOT connect more than one wireless 
footswitch receiver to the ultrasound system at 
the same time; otherwise, malfunction may result. 
The system supports USB port-type footswitches and wireless type footswitches. 
The function of the foot switch can be preset. See chapter “12.1.6 Footswitch” for details. 
3.6  Connecting USB Devices 
DO NOT directly remove a USB memory device, 
as the USB device and/or the system may become 
damaged. 
  When connecting a USB memory device to the ultrasound system via a USB port, a sound is 
heard if it is connected successfully and the symbol    appears in the top-right corner of the 
screen. 
  To remove the USB device: tap    to open the [Remove USB Device] screen. Select the 
device to be removed and tap [OK]. A sound is heard when removing the USB memory device. 
  The system supports option of external DVD R/W drive. The DVD R/W drive is connected to 
the ultrasound system via USB port.   
If the USB flash drive cannot be recognized by the system, please try disconnecting 
and then connecting again several times, or try another USB flash drive. If the problem 
still exists, please contact Mindray service engineer.