Philips 13PT30L1 Service Manual page 44

Option UB : Ultra Bass
Function: Enable/disable ultra bass function
Values: OFF = Disabled, ultra bass function not available
ON = Enabled, ultra bass function available
Option LV : Automatic Volume Leveller (AVL)
Function: Enable/disable automatic volume leveller function
Values: OFF = Disabled, customer menu item AVL not available
ON = Enabled, customer menu item AVL available
Option DU : SAP
Function: Set SAP configuration (sets with DBX stereo system only)
Values: OFF = Disabled, stereo/SAP not available
ON = Enabled, stereo/SAP available
Option AO : Audio Out (Fixed/Variable)
Function: Set audio output type (where present)
Values: OFF = Fixed audio out
ON = Variable audio out (always on)
Option ST : Sound Type
Function: Set the sound type
Values: BG PAL system
I PAL system
DK PAL system
M Default for USA
Option SB : Sound Board
Function: Set the sound board configuration
Values: DB = DBX/SAP (BTSC)
EC = BTSC stereo (No SAP)
MA = Mono All
MS = BiSonic (Mono from tuner, Stereo from A/V jacks)