User guide
DM-14B & DM-14C User’s Guide
51
Δ MRK-C/N SPECTRUM MODE
(Signal/noise ratio measurement of analog signals with manual selection of noise frequencies)
How to reach ΔMRK-C/N spectrum mode:
DIRECT = From any previously “PLAN” & SAT or TV “PRG” mode, press to go directly to spectrum. Press with to activate ΔMRK-C/N
NAVIGATION = Press with select the mode required: Select the programme or the channel or the frequency required.
Press to go directly to Spectrum mode. Press with to activate the Δ MRK-C/N function.
Press to remove the menu window.
N.B.
• To quit the
Δ
MRK–C/N function. Press navigate with until you reach
Δ
MRK, press and select OFF
• Press again to remove the window.
(Analog signals only)
EXAMPLE:
C/N measurement in analog TV,
the MRK has been positioned
manually between the chroma and
audio carriers. The C/N measurement
takes into consideration the
measurement
f
ilter band.