58
Special Radio Features
 
• Managing Encryption
 
KEY Loading
 
1. Refer to the key-variable loader (KVL) manual for equipment connections 
and setup.
2. When the KVL is attached to your radio, the 
display will show “
  
KK
KK
EE
EE
YY
YY
LL
LL
OO
OO
AA
AA
DD
DD
II
II
NN
NN
GG
GG
 
,” and all other 
radio functions will be locked out.
3. Pressing the KVL’s 
 
PTT Switch
 
 will load the encryption keys into your 
radio. When the key has been loaded successfully, the radio will sound a 
short tone for single-key radios; for multikey radios, an alternating tone 
will be heard.
 
KEY Erasure (KEY Zeroization) — Method 1
1. Press 
> until the EE
EE
RR
RR
AA
AA
SS
SS
 softkey appears on the display.
2. Press 
M directly below EE
EE
RR
RR
AA
AA
SS
SS
.
3. The display changes to show the last user-
selected and stored encryption key and the 
available softkey selections.
The scan, telephone call, or Private 
Conversation call feature cannot be 
selected while your radio is select 
disabled.
4. Press 
M directly below the desired softkey. 
AA
AA
LL
LL
LL
LL
 = erases all the encryption keys in the radio. The display shows 
“
EE
EE
RR
RR
SS
SS
  
  
AA
AA
LL
LL
LL
LL
  
  
KK
KK
EE
EE
YY
YY
SS
SS
” and YY
YY
EE
EE
SS
SS
 and NN
NN
OO
OO
 for erase confirmation.
AA
AA
BB
BB
RR
RR
TT
TT
 = exits this menu and returns to the home display.
SS
SS
NN
NN
GG
GG
LL
LL
 = selects the displayed encryption key to be erased. The display 
shows “
EE
EE
RR
RR
SS
SS
  
  
SS
SS
NN
NN
GG
GG
LL
LL
  
  
KK
KK
EE
EE
YY
YY
” and YY
YY
EE
EE
SS
SS
 and NN
NN
OO
OO
 for erase confirmation. 
Press 
< or > to scroll through the encryption keys or use the keypad 
to enter the encryption-key’s placement in the list. The display changes to 
show the new selection on the upper line.
5. Press O, the PTT Switch, the AA
AA
BB
BB
RR
RR
TT
TT
 softkey-related button, or turn the 
16-Position Select Knob to exit this menu.
KK
KK
EE
EE
YY
YY
LL
LL
OO
OO
AA
AA
DD
DD
II
II
NN
NN
GG
GG
HH
HH
WW
WW
  
  
KK
KK
EE
EE
YY
YY
  
  
11
11
  
  
  
  
  
  
  
  
AA
AA
BB
BB
RR
RR
TT
TT
AA
AA
LL
LL
LL
LL
  
  
  
  
  
  
  
  
  
  
SS
SS
NN
NN
GG
GG
LL
LL
Note