OpenSky P800 User Manual page 78

3.) If the name of a User Group appears in the panel,
use the Upper Select Button to scroll through the
menu of user groups you can lockout. (The lower
Select button is reserved for another use in this
procedure).
4.) Press the Lower Select Button to Lockout calls
from a user group displayed in the panel.
5.) To return to the Menu for more Lockouts, press
either Menu button immediately, then repeat Steps
3 and 4.
6.) If pressing the Menu button doesn't bring back the
Lockout display, your radio is busy with the
Lockout procedure. Wait about 10 seconds for the
Menu to return to the screen.
Advanced Radio Operations – Chapter 6
P800 User's Manual 77