User manual
of 1KHz at a level of 1.7Vpp when the nº 13
appears on the display.
Stereo modulator: These values indicate for
each digit on the display, the input audio
level that is needed for the modulation
deviation to be 50 KHz as long as there is an
input signal of 1Khz:
Display
AL (dBm)
0
7
1
5
2
3
3
1
4
0
5
-1
6
-2 (1.7Vpp approx.)
7
-3
8
-5
9
-7
10
-9
11
-11
12
-13
13
-15
5.2.- EXTENDED MENU
a.- Device address
The first menu that appears after pressing
the
button allows us to select the
address of the device for the headend con-
trol.
b.- Frequency mode
The first menu that appears after pressing
the
button allows us to change the way
of selecting the output frequency, in fre-
quency mode or channel mode and in the
channel mode, it allows us to select one of 7
possible tables. (see pg. 17).
5.2.1.- Mono modulator
a.- Audio carrier level
The menu that appears after pressing the
button allows us to vary the main audio
carrier level.
The permitted range of values is from 1 to 8,
which correspond approximately to the rela-
tive values of:
41
Controllable Universal Modulator
Display
Video/Audio
1
2
3
4
5
6
7
8
b.- Selection of 1 audio / 2 audios
The menu that appears after pressing the
button lets us select 1 or 2 audios. If we
have only got one audio input signal, we
should select option 1 audio in the menu.
Audio selected L
Audio selected L+R
c.- Audio subcarrier frequency
The menu that appears after pressing the
button lets us vary the frequency of the
audio subcarrier.
Select using the
and
hed values .
11 dB
12 dB
13 dB
14 dB
15 dB
16 dB
17 dB
18 dB
buttons the wis-