C Sound Test; D C.r.t. Test - Sega Airline Pilots Owner's Manual

C. SOUND TEST
This test mode allows each sound used in the game to be checked.
SOUND TEST
No. 0
SELECT WITH SERVICE BUTTON
PRESS TEST BUTTON TO EXIT
D. C.R.T. TEST
Selecting C.R.T. test causes the monitor to display the following and allows
the 3 screens (displayed simultaneously) to adjust brightness balance.
C.R.T. TEST
PRESS TEST BUTTON TO EXIT
Press the SERVICE button to increase the number
sequentially, emitting the next sound to be tested.
Press the TEST button to return to the TEST MENU.