Planar IT-088, Руководство по эксплуатации

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To make sure that the Analyzer is operating properly perform the procedure described
below.
Select the icon in the main menu using « » and « » keys. Press «F2» key.
Select the row with the required parameter using « » , « » arrows, and set the following
values by « ◄ » and « ► » :
- Sound check: off
- Language: english
or Sprache: deutsch or Язык : русский
- Click: type 1.
Press «MENU/ENTER» . Test the functioning of the keypad by means of consecutive
pressing «1» … «9», «0», « С ». Each pressing has to be accompanied with sound.
Select the icon at the bottom of the main menu screen using « » and « » keys
and press «F2» . Select the required parameters using « » , « » and then set the
following values using « ◄ » and « ► » arrow keys:
Attenuator: autoselect
Map: off
Scan mode: 1:1
Averaging: average:1
Amplitude: auto
DVB-T scan: on
.
Press «MENU/ENTER» . Set the icon at the bottom of the main menu screen using
« » and « » arrows. Press «F4» . Input signal spectrum will appear on the screen (figure
4.5). Set the scan start to 500 MHz by consecutive pressing of «5» , «0» , «0» ,
«MENU/ENTER» keys. START=500MHz message will appear in the bottom line of the
screen.
Press «MENU/ENTER» key. Set the icon at the bottom of the main menu screen
using « » and « » arrows. Press «F1» . The screen of the signal level measurement in
the frequency point will open (figure 4.4). Set the measured signal frequency to the video
carrier frequency of the 25 TV channel pressing
«2» , «5» , «MENU/ENTER». The second
line will display the frequency value 503.250 MHz . The third line will show the channel
number Channel = 25 . To return to the main menu press «MENU/ENTER» key.
Press «MENU/ENTER» key. Set the icon at the bottom of the main menu screen
using « » and « » arrows. Press «F1» . Demodulator tuning message will appear on the
screen, and in several seconds the DVB-T/H demodulator will be activated. In case any
error has been detected during startup, the screen will show
Tuning error message and
the Analyzer will return to the main menu (methods of error correction are given in section
6). After successful startup, DVB-T/H signal quality measurements in the form of a table
will appear on the screen (figure 4.9). Set the digital channel center frequency to the
center frequency of the s24 TV channel by pressing
«c» , «2» , «4», «MENU/ENTER» . The
first line will display the number of the channel s24 , the second line will display the
frequency value 338.000 MHz . DVB-T/H demodulator synchronization status will be
indicated in the upper right corner of the screen. Before synchronization is achieved, its
progress bar is indicated as a series of dots. After synchronization is achieved,
«LOCK»
message appear instead of the progress bar. If the channel level is too low, then «NO
SIG» message appears.
To return to the main menu press «MENU/ENTER» key.