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Return Path IF Menu
ANALOG menu
In this menu, all settings for the measurement of the analogue IF signal with the
frequency of 38.9 MHz can be made.
Calls up the RP(IF)
menu
Selecting the standard
With this softkey, the
following standards can
be selected: B/G, D/K,
I, L, M, M - jap (Japan)
and N. See also audio carrier table.
Audio carrier table for IF reception
The given audio carrier frequencies are based on the respective video-audio carrier spacing.
The video carrier frequency is 38.9 MHz without the return path option for each standard and can not be changed.
With equi ped return path option, the video carrier frequencies* are freely selectable.
p
Standard Video carrier fre-
quency *
in IF position
Audio carrier1
(sc1)
Audio carrier2
(sc2)
Stereo
(sc1+sc2)
NICAM
(nicam)
B/G
38.9 MHz -5.50 MHz -5.74 MHz sc1: -5.50 MHz
sc2: -5.74 MHz
-5.85 MHz
L
32.7 MHz, 38.9 MHz, (
39.2 MHz)
+6.50 MHz AM
(-6.50 MHz)
+5.85 MHz
(-5.85 MHz)
D/K
37.0 MHz 0 MHz, , 38.
38.9 MHz
-6.50 MHz -6.26 MHz sc1: -6.50 MHz
sc2: -6.26 MHz
-5.85 MHz
I
38.9 MHz, 39.5MHz -6.00 MHz
-6.552 MHz
M
45.75 MHz -4.50 MHz -4.72 MHz sc1: -4.50 MHz
sc2: -4.72 MHz
M (Japan)
45.75 MHz, 58.75 MHz -4.50 MHz
N
45.75 MHz -4.50 MHz
The display in the third field is dependent on the previously selected FS standard.
By pressing the third softkey, the following audio transmissions can be chosen:
Audio carrier 1 (sc1) ·
·
·
·
Audio carrier 2 (sc2)
Stereo (sc1 + sc2)
NICAM (nicam)
Level-dependent acoustic signal
In the function, „level beep,“ a acoustic signal is generated, whose pitch is propor-
tional to the received signal level. With this signal, it is possible to optimally align
the receiving antenna to a transmitter.
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