M2259-00-200-812 Tait Orca Portable (TOP) Encryption 19
Copyright TEL Encrypted Radio Programming and Service Manual
For direct programming, the module is programmed directly, using a TOPA-EA-008G cable
connected to the radio’s accessory connector.
Note: Any TOP radio can be used for OTAR programming. However, if an encryption
module is fitted, it is important that the encryption function is turned off when
programming.
Note: If a T2000 radio is used for OTAR programming, a T2000 Encryption Flex must be
fitted to the radio. A module is not required, however, if one is fitted, it is important
that the encryption function is turned off when programming.
Refer to the following publications for detailed programming instructions
Transcrypt OTAR Programmer Manual
Transcrypt Module Manual
Transcrypt Programming section (page 69) of this manual
4.2.1 Midian Module Programming
The Midian VPU-12 module is preprogrammed by the manufacturer and does not normally
require programming. Its programmable functions can be programmed by open-radio direct
programming. It does not support OTAR programming. The Midian TVS2 module supports
OTAR programming of encryption codes only. However, the TVS2 supports direct programming
of all programmable functions.
Refer to the following manuals for detailed programming instructions
Midian Programming instructions
Midian Module Manual
Midian Programming section (page 79) of this manual
Important Additional Information
Once encryption is enabled, set the function buttons to:
turn encryption ON and OFF
access
Code Change mode (optional)
set the number of user-accessible codes (optional)
Economy mode is the factory default, but is not recommended with
encryption-enabled radios as it will cause loss of sync pulses. This may result
in failure to decode some encrypted calls after a period of inactivity.
If the flex version is -06 (or earlier), to enable the radio to operate as a
standard, unencrypted radio when a module is not fitted, solder-short links
Link-6 and Link-7 on the flex. This modification will loop the audio back to
the normal radio path. See the PCB layout section on page 21 of this manual
to locate the links.
If radios have no display, ensure no other function (eg incoming selcall or
repeater talkaround) is programmed to utilise the orange LED, or it will be too
difficult to determine encryption status.
4.3 Programming the Encryption Module
Note: When using a TOP radio as a programming transmitter, if an encryption module is
fitted, ensure the encryption function is turned off.
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