[models with power window] the window to be closed ; 4. [2420 with cartridge] when the Load Check light is on, the cartridge to be closed ; 5.  the Load ... This shield must be manually lowered before the drive can be used. Figure 9.9anbsp;...
|Title||:||PL/I for the IBM 360|
|Author||:||Clarence B. Germain|
|Publisher||:||Prentice Hall - 1972|