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FIELD METERS MCT 080 / 081 / 082 / 085 USER MANUAL
11 Spectrum analyser
Pressing SPECTRUM gives access to the SPECTRUM ANALYSER function.
(frequency / amplitude graphical representation of the signals present at the input of the device)
Cursor frequency
entering the cursor
position
Reference level:
press arrows to modify
Att :
attenuator (auto, 5,
10, 15dB,...)
/div :
level scale 2, 5 or
10dB/div
Mode :
terrestrial/satellite
Satellite :
In Satellite mode, remote power control:
On / Off, horizontal / vertical polarization, low / high band
The input attenuator is automatically positioned according to the "Reference Level".
The filter is also automatically positioned according to the "Span".
The value of the filter is indicated at the top of the spectrum
Beware of saturation risks, use the formula:
Input attenuator = Reference level - 60 dBμV.
Example: to correctly display a 110 dBμV signal, you need a 50 dB attenuator
Measurement cursor
level, C/N
Span :
excursion around the
central frequency
Cursor :
Manual
Positioning
p.
67
Setup :
Setup from active
list
Frequency range:
press arrows to modify
Half keys:
LNB or CURSOR
control
Channel:
Terrestrial
channel number
Display:
mean/max/hold/
zoom /...
NIT/TV:
TV and NIT
image overlay
Cursor:
automatic positioning
(peak/min/max/center)
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