http://forum.ecoustics.com/bbs/messages/4/106673.html

from http://townhall-talk.edmunds.com/direct/view/.f0fc260/30
======SAFE MODE INSTRUCTIONS============================

* Turn on radio -- the word "SAFE" will be displayed.

* First press the MODE button and then press the SCAN button and hold them
down simultaneously until "1000" appears in the frequency display. Release
the buttons. Do not, under any circumstance, continue holding the buttons
down or press them once again. This would cause the radio to take the number
"1000" as the code number.

* Using the first four radio station buttons, enter the code number found on
your Radio Card. Use button 1 to set the first digit of the four digit code,
button 2 to set the second digit, etc. The first digit of a four digit code
must be "1". If your code number has three digits, the first digit on
display must be set blank.

* Once the code is shown on the display, press and hold the MODE button and
SCAN button simultaneously until the word "SAFE" appears in the frequency
display. Release the buttons. A radio station frequency will automatically
be displayed. The radio will now play once again.

If, when cancelling the electronic lock-up, a wrong code number is entered
by mistake, the word "SAFE" will appear in the frequency display first
blinking, and then continuous.

You can now repeat the entire cancelling procedure but only once. The number
of attempts will be shown in display.

If the wrong code number should be entered again, your radio will be locked
up for approximately one hour. The radio will not play. Leave the radio
switched on. After an hour, you can cancel the electronic lock-up as
previously described.

This cycle, two attemps - one hour lock-up continues again.