Locking A Signal - Promax HD RANGER 2 User Manual

Min. Hold:
►
Persistence:
►
Vertical Range: It allows to adjust the vertical scale on screen. Available
►
Dashed BW:
►
To edit or select any parameters of these described above, follow these
instructions:
Place over and press on the option.
The data field gets into the edit mode, indicated by the yellow
background.
A menu is displayed at the right with some options or if it is numeric, a
number gets a black blackground.
Move up/down to select one option. To move between figures press
right/left and to change it press up/down.
When finished press again or any function key to exit.
4.6

Locking a signal

Connect the cable with the input signal to the RF input connector.
Press the SPECTRUM key. The spectrum of the signal is displayed.
Adjust the span (recommended value for a terrestrial signal 50 MHz
and for a satellite signal 100 MHz). The current value of the span is at
the right bottom of the screen.
Find the frequency of the signal by moving the joystick left or right to
move sweeping the entire band.
If you know the channel change the tuning by frequency to tuning by
channel. The channel mode allows you to navigate from channel to
channel, using the selected channel plan.
June 2014
(Off/Permanent/Curtain). It allows the user to display the
current signal with the minimum values measured for each
frequency. The OFF option disables this function. The
Curtain option displays the minimum values in green for a
moment with the current signal. The Permanent option
maintains minimum signal on the screen. This option is
useful for detecting interferences in TV cable or identify
deterministic interference in analogue and digital channels.
When active, the
background. The signal prior to current signal persists for a
while before disappearing so the user can see how the signal
changes easily.
values are 1, 2, 5 and 10 dB per division.
When it is ON the channel bandwidth area is hatched by
lines.
signal is displayed
9
on a coloured
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