Standard Communications Horizon HX255S Owner's Manual page 17

6. To program other channels to be scrambled, repeat steps 3 and 4.
Only one scrambler code can be chosen for all channels
programmed. All channels programmed show the scrambler code set
in step 2.
7. If it is necessary to delete the scrambler code and all the channels
programmed for scrambling, hold down the WX key and press the
CLR key. This clears the memory and display recalls the one
shown in step 1.
8. After all desired channels to be scrambled have been programmed,
turn off the transceiver.
9. Turn on the transceiver. Normal operation resumes.
10. Select a channel that was programmed for scrambler mode.
11. Hold down the MEM key for 1 second to turn the scrambler on. The
display shows the scrambler code to indicate that the scrambler is
activated.
12. Hold down the MEM key for 1 second again to turn the scrambler
off.
HX255S
Owner's Manual
Page 15