Data Copying; Data Reading; Adjusting Levels With A Pa Amplifier - Alcad 912-MS Serie Manual De Instalación Y Programación

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 and a further
noting down in the receiver box 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 modulators that are not properly
noted down, use the READ function.
Output channel B/G CCIR C
The
permits selecting standard channels, while the
B/G CCIR S
shift between standard or S band channels.
O u t p u t f r e q u e n c y
The message
frequency to be selected in 0.25 MHz jumps.
We recommend indicating the output channel or output frequency
programmed in the box planned for it in the modulator.
6.

DATA COPYING

Make sure that the values of every function, except the previously
indicated ones, correspond to the values sought for your installation.
Aiming at the receiver, press the F and COPY keys. The PS programmer
must be kept aimed at the receiver until the
deleted 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 LEVELS WITH A PA AMPLIFIER

Once the unit is installed and all the modulators program, tune the unit.
8.1 Adjusting the output level of the modulators
Connect a field measurer to the TEST connector of the PA amplifier, and
verify that the output of said amplifier is charged using a distribution cable
Serie 912 - MS
permits selecting S band channels. Press the C/S key to
displayed on the screen allows the output
indication on the screen
Output channel
Copy...
message is
Read...
Read...
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