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For the correct programming of the SAF-HD unit, proceed as follows:
1.
Connect the SAF-HD unit to the electric network;
2.
Connect the antenna cables to the relevant inputs;
3.
Wait for the headend's initialization (FRACARRO logo is displayed);
Wait for the headend's initialization (FRACARRO logo is displayed);
4.
Enter the menu by pressing the
gramming operations specifi ed within the following paragraphs (see PROGRAMMING INSTRUCTIONS
paragraph);
5.
Make sure the output signal is available on the TV TEST output connector by using a signal measurer;
6.
Connect the distribution cable to the TV output connector;
Alternatively to item 4, use a PC (with a KRS-RJ device and FHM software) to enter the headend program-
ming.
4.1 DEFAULT PROGRAMMING
Menu
Installer code
Language
Remote power
Filters status
B.III+DAB level (dB)
FM level (dB)
Final gain (dB)
Filters-inputs association
4.2 AUTOMATIC GAIN CONTROL FEATURES (AGC)
Every UHF selectable programmable module in the SAF-HD headend is equipped with an independent
circuit for gain control (AGC) to maintain a constant set output level if the input signal is within a determined
range.
The following graph shows the performance of the automatic gain control circuit.
Output level
(dB µ V)
100
90
4. OPERATION INSTRUCTIONS
key and type in the user code (by default 1234); follow the pro-
Digital channel (OFDM): UHF
correct operating level range
2
1
50
AGC OFF
AGC ON
24
Default parameters
1234
Italiano
OFF
OFF
OFF
OFF
15 (maximum)
All the fi lters on UHF3
3
Input level
(dB µ V)
73
overload
Fro
1. P
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2. L
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3. O
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4.3
For
1. I
T
2. O
T
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3. M
T
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NO
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