M2259-00-200-812 T2000 Radio Encryption 49Copyright TEL Encrypted Radio Programming and Service Manual programming radio is set to High Power5.4 Testing the Encryption ModuleEquipment setup and testing instructions are described in the Transcrypt Programming section onpage 69 or the Midian Programming section on page 79, depending upon the origin of theencryption module.With encryption off: Check normal power-up of the radio, with the normal display messages and confirmationtones. Check that receive and transmit audio are functioning, using a service instrument or anotherradio on the same channel.With encryption on: Check that receive and transmit audio are functioning, using another T2000 or TOP radiowith the same encryption module, programmed with the same codes, on the same channel. Where a code hopping module is fitted, confirm encryption is active by listening for theinitial sync burst on the receiving radio Where a code inversion module is fitted, confirm encryption is active by pressing anyfunction key - the confidence tone will be a higher frequency than normal. Check the Encryption User Interface features – status indicators, encryption settings etc.(See the TOP Encryption User’s Guide information provided on page 37).