Technisonic has been notified by Motorola Solutions of the Release of a
Technical Notification identifying an issue wherein some APX-8000 radios operating
Rev R31.XX.XX (R31.00.00 thru 31.02.00) radios have been observed entering into a
Continuous Power Cycling condition.

The APX-8000 transceiver is utilized in Technisonics TDFM-9000 and TDFM-9100
series radios.

At present Technisonic is not aware of any radios being delivered with the R31.XX.XX
rev of software. Therefore, this information is being presented as Preventive in

Technisonic advises per the notification that operators DO NOT update their Motorola
firmware to Rev R31.XX.XX  at this time.

Radios that have been received from the factory with Rev R31.XX.XX firmware, should
be updated to the new release expected on January 17, 2024.

If your TDFM radio begins to experience the described issue, Please contact:
Mr. Jim Huddock
Director of Business Development
Dir: (612) 231-9020

To be advised of current information and restorative / corrective actions as they become
available. This issue is Firmware based only, the use of CPS programming software
version 31, IS NOT associated with this condition. Version 31.XX of CPS can be
utilized safely.

Technisonic ask that you please do not call the factory directly as we have identified Mr.
Huddock as the single point of contact to ensure that the most current information will
be available to our customers.