Spectrum Function - Promax 27 User Manual

LEVEL / CHAN /
SPAN [F5]:
NOTE:
Access to the function SCAN / SPECTRUM switches depending on the type of
tuning you are doing.
In case you are tuning a signal using frequency, it will be displayed the
SPECTRUM function first.
In case you are tuning a signal using the predefined channels from the channel
plan, it will be displayed the SCAN function first.
4.2.5.4.2

SPECTRUM function

To access the SPECTRUM function:
1.- Press key
2.- Press softkey TV [F2].
3.- Press softkey [F1] to select the mode you want to work DIGITAL / ANALOG /
SLM.
4.- Press softkey SPECTRUM / SCAN [F3].
5.- Press softkey SPECTRUM [F1] (if coming from SCAN screen).
This function is the same one than the SPECTRUM function in MODEM mode.
For more details refer to section 4.2.3.4.
At the bottom of the screen you will see next options:
SLOW / FAST [F1]:
AVG / MAX / PEAK [F2]:
Page 52
Pressing this key you can navigate among editable
parameters. To change them, use the Cursor keys or
the alphanumeric keypad as appropriate. It can be
edited the LEVEL, to change the margin of the power
on the vertical axis of the graph, CHANNEL, to change
the channel we are analysing; SPAN, to change the
frequency range shown on the horizontal axis of the
graph. Possible values are 10, 30, 100, 300 MHz and
MAX SPAN.
[13].
It can be changed the scanning speed.
It can be changed the measurement mode. The current
mode appears below the selected channel. In the
AVERAGE option it makes an average of values; in the
MAX HOLD option, it keeps the maximum values
measured due to impulsive signals, remaining on the
screen with dotted lines; PEAK option uses as
reference the peak values.
USER'S MANUAL. PROMAX-27
07/2008