Ericsson EDACS PRISM HP Manual del operador descargar pdf (Pagina 73)

Cryptographic keys are transferred to the radio using

a cryptographic Keyloader. Up to seven (7) different

cryptographic keys, numbered 1-7, can be transferred

from a Keyloader and stored in the radio. An individual

key is automatically selected on a per-group/channel

basis according to the radio programming. Groups and

channels within the Aegis system can be programmed

for keys 1-7 (DES and VGE). Up to 8 banks of 7 keys can

be stored for Aegis (DES and VGE) systems. The bank

is specified per system.

DES radios require a DES Keyloader (Option V4025

with software version 3.N or later). VGE radios require

VGE Keyloader (Option V4028 with software version 2.N

or later).

When operating on a group or channel programmed

for private mode, all transmissions are private transmis-

sions and the radio receives clear and private signals.

The status icon display turns on when the private

mode is enabled. If the selected group or channel is

programmed for autoselect capability, the mode may be

toggled between private and clear with the

key, then

following the selection mode rules. Radios programmed

for forced private operation do not allow a change of the

transmit mode.

Transferring Keys Into the Radio

The following procedure outlines basic key transfer-

ring steps.

1. Turn the radio off.

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Ericsson EDACS PRISM HP Manual del operador Pagina 73