Motorola APX 4000 User Manual page 126

The following methods are options on how to erase
the selected encryption keys. The result of all the
methods is the same. You can use the options
interchangeably depending on your preference and
the programmed functions.
• Erasing the selected encryption keys via the radio
menu:
a)
or to Eras and press the Menu Select
button directly below Eras.
The display shows the last user-selected and
stored encryption key, and the available menu
selections.
b) or
the keypad to enter the number of the desired
key.
c) Press the Menu Select button directly below
Optn.
The display shows the available key erase
options.
d) or
Menu Select button directly below Sel.
e) Select Erase all keys? or Erase single
key? by pressing the Menu Select button
below Yes to erase the encryption key(s) in the
122
radio.
English
to the desired encryption key or use
to the required option and press the
You can return to the previous screen by
pressing the Menu Select button below No.
• Erasing the single key in radios with the single-key
option and erasing all keys in radios with the
multikey option via the preprogrammed Top Side
(Select) button and Top (Orange) button:
a) Press and hold the Top Side (Select) button.
b) While holding Top Side (Select) button down,
press the Top (Orange) button.
The display shows Please wait. When all the
encryption keys have been erased, the display
shows All keys erased.
Note: Do not press the Top (Orange) button
before pressing the Top Side (Select) button,
unless you are in an emergency situation as
this sends an emergency alarm.
MDC Over-the-Air Rekeying (OTAR) Page
This feature allows you to view or define MDC Over-
the-Air Rekeying (OTAR) features. It is applied only
when operating in secure encrypted mode and only
for conventional communications. In additional to
Rekey Requests, OTAR transmissions include