allo,
I have no clue do you phonograph/radio question
.. I rarely if ever use them.
As for the sonar/dar, Sonar is always on, you cannot change it on or off.. to maniupulate the direction you are listening to.. use Home or End keys to rotate the head. As for radar, what sub/time period are you using? Perhaps you dont have radar equipped to your sub? Remember, only the serface search radar can be maniupulated, Air Search automatically searchs for and tracks aerial targets.
Hope this helps to an extent
Krauter