Int 15 Fn 46  U - Hp 100lx/200lx - Set Power Off Timeout                   [b]

   AH = 46h
   BX = timeout value in ticks
       0000h inhibit auto power off

Note:  the 200LX default timeout is 0CCDh = 3277 ticks = approx. 3 min.

See Also: AH=45h"HP",AH=47h"HP"