EFA-200/-300 3 Preparation for use
3-5
3.3.3 Connecting / disconnecting the external B-Field Probe
The 12-way connector socket for the external B-field probe is on the head of
the EFA.
Figure 3-1 External B-Field Probe
Connecting the B-Field Probe
1. Place the probe on the Basic Unit so that the red triangle on the probe
points in the same direction as the red dot on the Basic Unit.
• Push the plug into the Basic Unit with the locking sleeve until the plug
lock engages.
• The probe is now connected.
• The Basic Unit automatically detects the probe type that has been
connected.
The display shows “B” for B-Field Probe.
Removing the B-Field Probe
⇒ Pull the locking sleeve on the plug towards the probe.
The plug lock disengages and the probe can be removed.
3.3.4 Switching on the Basic Unit
✓ You have made sure that the batteries have enough power for the
measurement.
⇒ Briefly press the ON/OFF key.
The Basic Unit switches on.
The green ON indicator LED lights up.
The function test starts.
Locking sleeve