Promax HD Ranger Lite, User Manual

Page: 52 / 184

4-44 July 2015
1
4.6 Select and edit parameters
To edit or select any parameters of these described above, follow these
instructions:
Place over the option and press the joystick.
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 the joystick up/down to select one option. To move between
figures press right/left and to change it press up/down.
When finished press joystick or any function key to exit.
4.7 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.
When the channel is locked information appears at the bottom left of
the screen. A triple cursor shows the detected BW for a digital carrier.
The equipment automatically detects transmission parameters of the
signal and makes the corresponding measurements.