Promax TVHUNTER, User Manual

Page: 52 / 90

USER’S MANUAL. TVHUNTER .
Page 16 10/2010
BACKLIGHT MODE : Actives ( ON ) or disables ( OFF ) the back-light of the
screen. The AUTO option actives the back-light when the
user is pressing keys. After one minute without using the
instrument, the back-light turns off.
CONTRAST LCD : Allow to chose between four contrast levels.
CONFIRM & EXIT : After making changes in the setup menu, you should use
this option to confirm and apply the values and exit the
setup menu.
NOTE : From the DETECTION screen, pressing the key [1] you can change
between 0V ( OFF ) and the voltage selected in the option “ EXTERNAL SUPPLY ”. This
voltage is displayed at the top right corner of the screen. This voltage will be applied on
the
IDENTIFY and ADJUST stage.
4.2.1 Auto-Scan
The Auto-Scan function scans the frequency band of the DTT (from 474 to
858 MHz).
Figure 8.- Scanning process.
On screen, a progress bar indicates the progress of the scanning. At the bottom
of the screen, the line “ Scanning Channel ” shows the channel being scanned and the
line “ Channels Found ” the number of channels detected so far.
When it detects a frequency that contains a signal, it beeps and increases in one
unit the counter “ Channels Found ”.
If you save the channels after scanning, they will be used as a test points. It also
assigns the name of the channel as an identification name for the test point.