Motorola StarTAC 160 Service Manual page 16

Identity and Security
To protect the actual unit from unauthorized
use, a lock function on the hardware is avail-
able. When enabled, this function requires
that a three or four digit unlock code be
entered, via the units keypad, before normal
operation of the transceiver can take place.
The lock code can be changed by entering a
set key sequence.
Further information on set key sequences
can be derived from the unit's User Guide.
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