The passphrase must be set twice with a length between 20 and 32 characters. It is possible,
for convenience, to copy and paste the passphrase from a text file to the MCT fields.
However, it is not authorized to copy the content of an MCT passphrase field and paste it
elsewhere.
When the passphrase is accepted, you can activate the radio encryption and modify the
passphrase while the AES is running, see
Warning: When modifying the passphrase, the radio traffic will be interrupted while
the passphrases are not the same on each side of the link.
MPR-e and MSS-1c User Manual 3DB19901EFAA Edition 01
Figure 4.66 — Set radio encryption passphrase
Figure 4.67 — Set passphrase window
Figure
4.68.
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