Promax PROLINK-4 Manual De Instrucciones página 195

USER'S MANUAL. PROLINK-4
If there is an excess of sound carrier, tearing or 'moiré' may appear on the screen
due to the frequency beats between the sound, chrominance and the picture frequencies.
If there is a chrominance carrier defect, then the television colour amplifier must
function at maximum gain, which could result in noise appearing all over the television
screen with points of colour that disappear when the saturation control is reduced; in an
extreme case, loss of colour may occur.
4.10.1 Spectrum Analyser Mode Functions Menu
In the Spectrum Analyser operation mode, pressing the rotary selector [4] leads
you to the next functions menu.
Figure 40.- Spectrum Analyser mode functions menu.
When turning the rotary selector clockwise active option moves downwards
while turning it anticlockwise active option moves upwards.
The downward pointing arrow at the bottom left of the menu means that there
are more functions available, to view these turn the rotary selector clockwise. Below we
describe the use of each function and its range of values.
4.10.1.1 Band Switching
Permits to switch from terrestrial (5-862 MHz) to satellite band (900-2150 MHz)
and vice versa.
4.10.1.2 Span
This function enables selecting the displayed frequency range in Spectrum
Analyser mode between Full (the entire band), 500 MHz, 200 MHz, 100 MHz, 50 MHz,
32 MHz, 16 MHz and 8 MHz (the latter two only in terrestrial bands).
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