Key Zero - Ericsson LBI-38732E Operator's Manual

nel key (for group or conventional calls), perform the
following procedure:
1. Press the
2. Use the
KEY".
3. Then use the
between displaying the system key or the
group/channel key.
ENCRYPTION KEY
DISPLAYED
System
Group/Channel

Key Zero

All cryptographic keys can be zeroed (erased from
radio memory) by pressing the MONITOR/CLEAR button
and while still pressing this button, press and hold the
OPTION button. Press both buttons for 2 seconds. A
series of beeps will begin at the start of this 2 second
period and then switch to a solid tone after the keys have
been zeroed. The display will indicate "KEY ZERO"
If the cryptographic key(s) are zeroed, one or more
keys must be transferred from the Keyloader into the
radio before private communications may continue.
button.
or button to select "DISP
or
MESSAGE DISPLAYED
"SYS KEY"
"KEY = 1"
"GRP KEY"
"KEY = 2"
button to toggle
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