The Activator was updated in April 2017 to include an ON/OFF switch for reusable transmitters. If you purchased the ORIGINAL and want to use Reusable Transmitters, contact BIOPAC to discuss options.
Diagnose electrical interference noise in your recording system environment
Verify the gain setting on each channel of your Transmitter
Test Before Implanting
Test the Transmitter with the Receiver prior to implanting the Transmitter