5. Remove the USB memory from the TZTL12F/15F USB port.
6. Perform a reset to the internal sounder per the instructions below.
7. Perform a reset to the MFD per the separate instructions.
Repeat the above process for other TZtouch2 MFD’s in the system.
Important:
You must reset the internal sounder. Failure to do so will cause a
communication error between the new internal sounder software and the
updated OS and App software.
To reset the internal sounder menu.
While the unit is on,
• Press the home button
• Press the settings tab
• Press the sounder tab