Promax US TV EXPLORER 2 User Manual página 76

If it is a digital television signal (DTV) on screen appears, for about some
seconds, the following parameters: channel number or satellite name, frequency, active
channel plan and satellite downlink frequency. The following data box shows the video
data: type of video coding (MPEG-2 or MPEG-4),
identifier (VPID) and the TS identifier (TSID). One other data box contains audio
information: type of audio coding (MPEG-1, MPEG-2 or AC-3), audio bit rate, audio
program identifier (APID) and language (e.g. en). The last box located in the same
column shows the network data: network name and/or satellite orbital position, service
name, netwok identifier (NID) and service identifier (SID).
On the left column appears the type of DVB signal, a window showing the signal
decoded and finally a data box stating if the emission is encrypted or free (SCRAMB or
FREE), when the service supports interactive TV (MHP, i.e. Multimedia Home Platform).
8-VSB
DTV
(FREE)
Figure 46.- Digital channel monitoring.
When pressing the cursor arrow
window again, in order to fix on screen this window the vertical cursors
must be pressed up to select the OSD:OFF field, so press rotary selector [1] to switch to
OSD:ON.
Also the standard MPEG-2 profile is indicated which determines the compression
rate for the digital service decodified, the aspect ratio (4:3), the resolution (horizontal x
vertical) for received video and the picture refreshment frequency rate. In the
(OSD:OFF) mode the information window previously described will appear whenever
the rotary selector is pressed again [1].
When a digital channel is decodified, once the Table of Services SDT (Service
Description Table) acquisition is completed, is possible to accede to the list of
services contained in the Table.
Page 68
USER'S MANUAL. US TV EXPLORER II
video bit rate, video program
FCC C:
F: 181.25 MHz
VIDEO:
MPEG-2 4004
MP@ML 720x480i 4:3
VPID: 111 TSID:
AUDIO:
AC-3 192
APID: 112 LANGUAGE: en
NETW.:
- - -
OSD: ON
VTV 1
NID: 12674 SID:
[6] key will appear the tuning information
A08
kb/s
97 25Hz
kb/s
801
[6] key
10/2007