Managing Encryption; Loading Encryption Keys; Multikey Feature - Motorola APX 6000 User Manual
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Also See for APX 6000:
- User manual (106 pages) ,
- Quick reference card (2 pages) ,
- Quick reference card (2 pages)
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68012001079-JW
Chapter 7 : Advanced Features
•
If the selected channel is preprogrammed for secure-only operation, when you press the PTT
button, you hear an invalid mode tone and the display shows Secure TX only.
•
The radio does not transmit until you set the Secure/ Clear switch to the secure position.
•
You can request to configure the radio to ignore the clear voice or insecured transmission
when the radio is in secured transmission. Check with your agent for details.
•
If the "Ignore Secure/Clear Switch when Strapped" programming option is enabled, the radio
transmits without displaying any messages in the strapped mode of operation, regardless of
the Secure/Clear switch setting. This option must be preprogrammed by a qualified radio
technician.
•
The Secure/Clear switch only applies when the radio is transmitting.
7.19.3
Managing Encryption
This chapter explains the encryption feature on your radio.
7.19.3.1
Loading Encryption Keys
Prerequisites:
•
Refer to the Key Variable Loader (KVL) manual for equipment connections and setup.
•
For first-time usage, turn on the radio for a minimum of three hours before you remove the battery.
Else the radio may not be able to retain its key for 30 seconds.
Procedure:
1 Attach the KVL to your radio.
The display shows Keyloading and all other radio functions, except for power down, backlight,
and volume, are locked out.
NOTE:
If the Multi-system Over-the-Air Rekeying feature is in use, the ASTRO profile name is
displayed below Keyloading.
2 Select the required keys and press Load on the KVL.
The KVL indicates that keyload is successful.
7.19.3.2
Multikey Feature
This feature allows your radio to be equipped with different encryption keys and supports the DES-OFB
algorithm.
There are two types of encryption keys:
Conventional Multikey
The encryption keys are strapped on a one-per-channel basis, through Customer Programming
Software (CPS). 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 both conventional and trunked applications are applied, strap the encryption keys for trunking
on a per-talkgroup, or announcement-group basis. Also, a different key can be strapped to other
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