User Guide

218 Chapter 14, Navigation Parameters
8 Highlighted button
number
Specifies the number of the currently selected
highlight button.
R/W 1
9 Navigation timer Specifies which PGCs must play after a preset
time. The author sets the value of SPRM 9. This
value decreases by 1 each second. When the
value reaches zero, the PGC defined in SPRM 10
plays. The count freezes at a system menu or if
the viewer pauses playback, then resumes when
in the title domain again, or when playback
reaches a still. Values of SPRM 9 and SPRM 10
can only be changed in the title domain and
through the use of navigation commands.
R/W 0
10 TT_PGCN for
NV_TMR
R/W Not
defined
11 Player audio mixing
mode for karaoke
Specifies the status of the karaoke audio mixing
mode (whether audio channels 2, 3 and 4 are
down-mixed into audio channels 0 and 1). This
parameter is ignored if the DVD player does not
support audio mixing for karaoke.
R/W 0
12 Country code for
parental
management
Specifies the country code for parental
management.
R Not
defined
13 Parental level Specifies the parental level for the country
identified in SPRM 12.
R/W Not
defined
14 Player configuration
for video
Specifies the initial display aspect ratio and the
current display mode.
R Not
defined
15 Player configuration
for audio
Specifies the audio capability of the DVD player,
the types of encoded audio (AC-3, DTS, MPEG,
etc.) it supports, and whether the output is stereo
or surround sound.
R Not
defined
Table 10: System parameters
No. Name Description Read/
Write
Default
Value