Before you disconnect the Trex unit from a device, resolve any unsent data to the device.
Tap
or remove the lead set from the device or the Trex unit.
The Trex unit detects the loss of voltage or current and
stops communicating with the device. If the Trex unit was powering the device,
the Trex unit stops providing power when the lead set is removed. The
Connect - Select screen is displayed.