Hitachi C22P Instruction Manual page 16

The magnetic sensor enables Real-Time Virtual Sonography (RVS) when
it is attached to the probe.
3.2.1 Attaching the Magnetic Sensor
The procedure of attaching the Magnetic sensor is as follows.
1) Attach the Magnetic sensor into the attachment with the correct
direction as shown in Fig. 7.
2) Insert the hold of the attachment into the projected part of the
probe.
Magnetic sensor
attachment
Never attach the Attachment to the probe in the incorrect direction,
otherwise it may result in false diagnosis.
Magnetic
sensor
Direction mark of the magnetic
sensor (Place the direction
mark upward as shown here).
Fig. 7 How to attach the Magnetic
Sensor Attachment
CAUTION
-10- Q1E-EP1457