Adjustment Of Volume And Monitor Parameters; Selecting The Operation Mode: Tv / Spectrum Analyser; Rf Band Selection: 5-862 Mhz / 900-2150 Mhz - Promax PROLINK-4C Manual De Instrucciones

[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, BRIGHTNESS, SATURATION and HUE (this last only for NTSC colour
system) 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-4C 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
numeric 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
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
[3] sequentially activates the VOLUME,
[31] and select a frequency on the new band using the
[31] and then enter 49.00 or 049.0 using the
USER'S MANUAL. PROLINK-4C
[21].
02/2003