Promax PROLINK-4 Manual De Instrucciones página 144

[42]
SMART-CARD Connector
Enables the conditional access (disencryption) of encoded digital TV signals.
4.2 Adjustment of Volume and Monitor Parameters
Repeatedly pressing key
CONTRAST and BRIGHTNESS control menus. On activation of a menu for a specific
parameter the screen displays a horizontal bar whose length is proportional to the
parameter level, to modify this value simply turn the rotary selector [4]. To exit the menu
and validate the new value press the rotary selector [4].
4.3 Selecting the Operation Mode: TV / Spectrum Analyser
The PROLINK-4 has two basic operation modes: TV and Spectrum Analyser.
To switch from one operation mode to the other press key
In the TV operation mode the demodulated television signal is shown
on-screen; this is the default operation mode, various functions can be selected, as
shown in the following paragraphs.
In the Spectrum Analyser operation mode the screen displays the power
spectrum of the active band (terrestrial or satellite). The span, the reference level and
the measuring filter bandwidth are variable as will be shown in paragraph '4.10
Spectrum Analyser Operation Mode'.
4.4 RF Band Selection: 5-862 MHz / 900-2150 MHz
Tuning is continuous between 5 and 862 MHz (terrestrial band) and between
900 and 2150 MHz (satellite band). There are three ways of changing the active band:
1) Press the rotary selector [4] to accede to the functions menu, if necessary turn it to
select the Band switching function and then press it again. The RF band will be
switched automatically.
2) Press key
keyboard. The fifth digit and second decimal act as confirmation. For example, if the
active band is the 900 to 2150 MHz band and you wish to tune the 49 MHz
frequency (belonging to the 5/45 to 862 MHz band), press key
enter 49.00 or 049.0 using the numeric keyboard.
3) Recall a memory with a tuning frequency belonging to the band you wish to access.
(See section '4.12 Measurement Configuration Memories').
Page 26
[31] and select a frequency on the new band using the numeric
USER'S MANUAL. PROLINK-4
[3] sequentially activates the VOLUME,
[21].
[31] and then
02/2003