Data Copying; Data Reading; Adjusting The Video Input Level - Alcad 912-MS Série Manuel D'installation Et Programmation

5.2 Data transmission
Select the desired function on the PS programmer screen and adjust the
right value of that function.
To transmit, press the T key. The programming led will blink to indicate
that the modulator has received the datum.
5.3 Selecting the output channel or output frequency.
WARNING, modulators are adjusted ex works to channel S-41. We
recommend using a previous planning of output channels before
programming, thus avoiding the selection of already engaged channels.
Make sure that the output channels are not being used in the distribution.
Nevertheless, to verify the output channel programmed in the MS, use the
READ function.
The
Output channel B/G CCIR C
permits selecting standard channels, while the
B/G CCIR S
shift between standard or S band channels.
The message
O u t p u t f r e q u e n c y
frequency to be selected in 0.25 MHz jumps.
6.

DATA COPYING

Make sure that the values of all functions (with the exception of the output
channel) correspond to the values required by your installation. While
pointing at the modulator, press the F and COPY keys. The PS
programmer must remain pointed at the receiver until the Copy...
message disappears from the screen.
7.

DATA READING

While aiming the modulator, press the F and READ keys:
will be displayed on the screen.
While reading, the program led of the modulator will blink and the
modulator should not receive any other transmissions.
Keep the PS programmer aimed at the modulator until the
message goes off the screen.
8.

ADJUSTING THE VIDEO INPUT LEVEL

The Video
modulation. The 8 video levels correspond to typical depths of
modulation, namely of 65/70/75/80/85/ 90/95/100%, for a video
input level of 1 Vpp. For other video input levels, use the PS programmer
to select the correct level so that the TV image is neither excessively bright
nor excessively dark.
Serie 912-MS
permits selecting S band channels. Press the C/S key to
Level function allows you to control the depth of
displayed on the screen allows the output
indication on the screen
Output channel
Read...
Read...
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