Advanced Features
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98
Using the Multikey Feature
This feature allows the radio to be equipped with different
encryption keys and supports the DES-OFB algorithm.
There are two types:
• Conventional Multikey – The encryption keys can be tied
(strapped), on a one-per-channel basis, through Customer
Programming Software. In addition, you can have operator-
selectable keys, operator-selectable keysets, and operator-
selectable key erasure. If talkgroups are enabled in
conventional, then the encryption keys are strapped to the
talkgroups.
• Trunked Multikey – If you use your radio for both
conventional and trunked applications, you have to strap your
encryption keys for trunking on a per-talkgroup or
announcement-group basis. In addition, you may strap a
different key to other features, such as dynamic regrouping,
failsoft, or emergency talkgroup. You can have operator-
selectable key erasure.
Selecting an Encryption Key
Procedure:
1 < or > to Key.
2 Press the Menu Select button directly below Key. The
display shows the last user-selected and stored encryption
key, and the available menu selections.
3 U or D to scroll through the encryption keys.
OR
Use the keypad to enter the number of the desired key.
4 Press the Menu Select button directly below Sel to save the
newly selected key and return to the Home screen.
OR
Press
H, the PTT button, or the Menu Select button directly
below Exit to exit.
OR
Turn the 16-Position Select knob to exit.
Note: When the selected key is erased, you hear a
momentary keyfail tone and the display shows Key
fail.
OR
When the selected key is not allowed, you hear a
momentary illegal key tone and the display shows
Illegal key.
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